diff --git a/Documentation/git-cat-file.txt b/Documentation/git-cat-file.txt
index d5890ae3686f6bce5612ece434850d054726ec5a..f2be00b59955ad0786efda3c242c14038ff15836 100644
--- a/Documentation/git-cat-file.txt
+++ b/Documentation/git-cat-file.txt
@@ -149,6 +149,13 @@ info <object>::
 	Print object info for object reference `<object>`. This corresponds to the
 	output of `--batch-check`.
 
+remote-object-info <remote> <object>...::
+	Print object info for object references `<object>` at specified <remote> without
+	downloading objects from remote. If the object-info capability is not
+	supported by the server, the objects will be downloaded instead.
+	Error when no object references are provided.
+	This command may be combined with `--buffer`.
+
 flush::
 	Used with `--buffer` to execute all preceding commands that were issued
 	since the beginning or since the last flush was issued. When `--buffer`
@@ -290,7 +297,8 @@ newline. The available atoms are:
 	The full hex representation of the object name.
 
 `objecttype`::
-	The type of the object (the same as `cat-file -t` reports).
+	The type of the object (the same as `cat-file -t` reports). See
+	`CAVEATS` below. Not supported by `remote-object-info`.
 
 `objectsize`::
 	The size, in bytes, of the object (the same as `cat-file -s`
@@ -298,13 +306,14 @@ newline. The available atoms are:
 
 `objectsize:disk`::
 	The size, in bytes, that the object takes up on disk. See the
-	note about on-disk sizes in the `CAVEATS` section below.
+	note about on-disk sizes in the `CAVEATS` section below. Not
+	supported by `remote-object-info`.
 
 `deltabase`::
 	If the object is stored as a delta on-disk, this expands to the
 	full hex representation of the delta base object name.
 	Otherwise, expands to the null OID (all zeroes). See `CAVEATS`
-	below.
+	below. Not supported by `remote-object-info`.
 
 `rest`::
 	If this atom is used in the output string, input lines are split
@@ -314,7 +323,10 @@ newline. The available atoms are:
 	line) are output in place of the `%(rest)` atom.
 
 If no format is specified, the default format is `%(objectname)
-%(objecttype) %(objectsize)`.
+%(objecttype) %(objectsize)`, except for `remote-object-info` commands which use
+`%(objectname) %(objectsize)` for now because "%(objecttype)" is not supported yet.
+WARNING: When "%(objecttype)" is supported, the default format WILL be unified, so
+DO NOT RELY on the current the default format to stay the same!!!
 
 If `--batch` is specified, or if `--batch-command` is used with the `contents`
 command, the object information is followed by the object contents (consisting
@@ -396,6 +408,10 @@ scripting purposes.
 CAVEATS
 -------
 
+Note that since %(objecttype), %(objectsize:disk) and %(deltabase) are
+currently not supported by the `remote-object-info` command, we will error
+and exit when they are in the format string.
+
 Note that the sizes of objects on disk are reported accurately, but care
 should be taken in drawing conclusions about which refs or objects are
 responsible for disk usage. The size of a packed non-delta object may be
diff --git a/Makefile b/Makefile
index feeed6f9321a5069424c3adb21f92ad4abec82e8..1e598a756e7c1ab8dc21f1d57ffe4fd02b4d2388 100644
--- a/Makefile
+++ b/Makefile
@@ -1024,6 +1024,7 @@ LIB_OBJS += ewah/ewah_rlw.o
 LIB_OBJS += exec-cmd.o
 LIB_OBJS += fetch-negotiator.o
 LIB_OBJS += fetch-pack.o
+LIB_OBJS += fetch-object-info.o
 LIB_OBJS += fmt-merge-msg.o
 LIB_OBJS += fsck.o
 LIB_OBJS += fsmonitor.o
diff --git a/builtin/cat-file.c b/builtin/cat-file.c
index bfdfb51c7cb7b3cba47ae77b9041814fe9307407..714c182f3960fa2b270b9f60e4da67f87e3c7bae 100644
--- a/builtin/cat-file.c
+++ b/builtin/cat-file.c
@@ -24,6 +24,9 @@
 #include "promisor-remote.h"
 #include "mailmap.h"
 #include "write-or-die.h"
+#include "alias.h"
+#include "remote.h"
+#include "transport.h"
 
 enum batch_mode {
 	BATCH_MODE_CONTENTS,
@@ -42,9 +45,12 @@ struct batch_options {
 	char input_delim;
 	char output_delim;
 	const char *format;
+	int use_remote_info;
 };
 
 static const char *force_path;
+static struct object_info *remote_object_info;
+static struct oid_array object_info_oids = OID_ARRAY_INIT;
 
 static struct string_list mailmap = STRING_LIST_INIT_NODUP;
 static int use_mailmap;
@@ -528,7 +534,7 @@ static void batch_one_object(const char *obj_name,
 	enum get_oid_result result;
 
 	result = get_oid_with_context(the_repository, obj_name,
-				      flags, &data->oid, &ctx);
+								  flags, &data->oid, &ctx);
 	if (result != FOUND) {
 		switch (result) {
 		case MISSING_OBJECT:
@@ -576,6 +582,59 @@ static void batch_one_object(const char *obj_name,
 	object_context_release(&ctx);
 }
 
+static int get_remote_info(struct batch_options *opt, int argc, const char **argv)
+{
+	int retval = 0;
+	struct remote *remote = NULL;
+	struct object_id oid;
+	struct string_list object_info_options = STRING_LIST_INIT_NODUP;
+	static struct transport *gtransport;
+
+	/*
+	 * Change the format to "%(objectname) %(objectsize)" when
+	 * remote-object-info command is used. Once we start supporting objecttype
+	 * the default format should change to DEFAULT_FORMAT
+	*/
+	if (!opt->format)
+		opt->format = "%(objectname) %(objectsize)";
+
+	remote = remote_get(argv[0]);
+	if (!remote)
+		die(_("must supply valid remote when using remote-object-info"));
+
+	oid_array_clear(&object_info_oids);
+	for (size_t i = 1; i < argc; i++) {
+		if (get_oid_hex(argv[i], &oid))
+			die(_("Not a valid object name %s"), argv[i]);
+		oid_array_append(&object_info_oids, &oid);
+	}
+
+	gtransport = transport_get(remote, NULL);
+	if (gtransport->smart_options) {
+		CALLOC_ARRAY(remote_object_info, object_info_oids.nr);
+		gtransport->smart_options->object_info = 1;
+		gtransport->smart_options->object_info_oids = &object_info_oids;
+
+		/* 'objectsize' is the only option currently supported */
+		if (!strstr(opt->format, "%(objectsize)"))
+			die(_("%s is currently not supported with remote-object-info"), opt->format);
+
+		string_list_append(&object_info_options, "size");
+
+		if (object_info_options.nr > 0) {
+			gtransport->smart_options->object_info_options = &object_info_options;
+			gtransport->smart_options->object_info_data = remote_object_info;
+			retval = transport_fetch_refs(gtransport, NULL);
+		}
+	} else {
+		retval = -1;
+	}
+
+	string_list_clear(&object_info_options, 0);
+	transport_disconnect(gtransport);
+	return retval;
+}
+
 struct object_cb_data {
 	struct batch_options *opt;
 	struct expand_data *expand;
@@ -667,18 +726,62 @@ static void parse_cmd_info(struct batch_options *opt,
 	batch_one_object(line, output, opt, data);
 }
 
+static void parse_cmd_remote_object_info(struct batch_options *opt,
+			   const char *line,
+			   struct strbuf *output,
+			   struct expand_data *data)
+{
+	int count;
+	const char **argv;
+
+	char *line_to_split = xstrdup_or_null(line);
+	count = split_cmdline(line_to_split, &argv);
+	if (get_remote_info(opt, count, argv))
+		goto cleanup;
+
+	opt->use_remote_info = 1;
+	data->skip_object_info = 1;
+	for (size_t i = 0; i < object_info_oids.nr; i++) {
+
+		data->oid = object_info_oids.oid[i];
+
+		if (remote_object_info[i].sizep) {
+			data->size = *remote_object_info[i].sizep;
+		} else {
+			/*
+			 * When reaching here, it means remote-object-info can't retrieve
+			 * information from server without downloading them, and the objects
+			 * have been fetched to client already.
+			 * Print the information using the logic for local objects.
+			 */
+			data->skip_object_info = 0;
+		}
+
+		opt->batch_mode = BATCH_MODE_INFO;
+		batch_object_write(argv[i+1], output, opt, data, NULL, 0);
+
+	}
+	opt->use_remote_info = 0;
+	data->skip_object_info = 0;
+
+cleanup:
+	for (size_t i = 0; i < object_info_oids.nr; i++)
+		free_object_info_contents(&remote_object_info[i]);
+	free(line_to_split);
+	free(argv);
+	free(remote_object_info);
+}
+
 static void dispatch_calls(struct batch_options *opt,
 		struct strbuf *output,
 		struct expand_data *data,
 		struct queued_cmd *cmd,
 		int nr)
 {
-	int i;
-
 	if (!opt->buffer_output)
 		die(_("flush is only for --buffer mode"));
 
-	for (i = 0; i < nr; i++)
+	for (size_t i = 0; i < nr; i++)
 		cmd[i].fn(opt, cmd[i].line, output, data);
 
 	fflush(stdout);
@@ -686,9 +789,7 @@ static void dispatch_calls(struct batch_options *opt,
 
 static void free_cmds(struct queued_cmd *cmd, size_t *nr)
 {
-	size_t i;
-
-	for (i = 0; i < *nr; i++)
+	for (size_t i = 0; i < *nr; i++)
 		FREE_AND_NULL(cmd[i].line);
 
 	*nr = 0;
@@ -702,6 +803,7 @@ static const struct parse_cmd {
 } commands[] = {
 	{ "contents", parse_cmd_contents, 1},
 	{ "info", parse_cmd_info, 1},
+	{ "remote-object-info", parse_cmd_remote_object_info, 1},
 	{ "flush", NULL, 0},
 };
 
@@ -714,7 +816,6 @@ static void batch_objects_command(struct batch_options *opt,
 	size_t alloc = 0, nr = 0;
 
 	while (strbuf_getdelim_strip_crlf(&input, stdin, opt->input_delim) != EOF) {
-		int i;
 		const struct parse_cmd *cmd = NULL;
 		const char *p = NULL, *cmd_end;
 		struct queued_cmd call = {0};
@@ -724,7 +825,7 @@ static void batch_objects_command(struct batch_options *opt,
 		if (isspace(*input.buf))
 			die(_("whitespace before command: '%s'"), input.buf);
 
-		for (i = 0; i < ARRAY_SIZE(commands); i++) {
+		for (size_t i = 0; i < ARRAY_SIZE(commands); i++) {
 			if (!skip_prefix(input.buf, commands[i].name, &cmd_end))
 				continue;
 
diff --git a/connect.c b/connect.c
index 58f53d8dcbb87d4ec4e90a926ad3fadfec337d5d..fcd5e69a1bde0fa5272b8e017c83c87d52076adb 100644
--- a/connect.c
+++ b/connect.c
@@ -139,6 +139,39 @@ static void process_capabilities_v2(struct packet_reader *reader)
 		die(_("expected flush after capabilities"));
 }
 
+void write_command_and_capabilities(struct strbuf *req_buf,
+										   const char *command,
+										   const struct string_list *server_options)
+{
+	const char *hash_name;
+
+	ensure_server_supports_v2(command);
+	packet_buf_write(req_buf, "command=%s", command);
+	if (server_supports_v2("agent"))
+		packet_buf_write(req_buf, "agent=%s", git_user_agent_sanitized());
+	if (server_supports("session-id") && server_supports_v2("session-id"))
+		packet_buf_write(req_buf, "session-id=%s", trace2_session_id());
+	if (server_options && server_options->nr) {
+		int i;
+		ensure_server_supports_v2("server-option");
+		for (i = 0; i < server_options->nr; i++)
+			packet_buf_write(req_buf, "server-option=%s",
+					 server_options->items[i].string);
+	}
+
+	if (server_feature_v2("object-format", &hash_name)) {
+		int hash_algo = hash_algo_by_name(hash_name);
+		if (hash_algo_by_ptr(the_hash_algo) != hash_algo)
+			die(_("mismatched algorithms: client %s; server %s"),
+				the_hash_algo->name, hash_name);
+		packet_buf_write(req_buf, "object-format=%s", the_hash_algo->name);
+	} else if (hash_algo_by_ptr(the_hash_algo) != GIT_HASH_SHA1) {
+		die(_("the server does not support algorithm '%s'"),
+			the_hash_algo->name);
+	}
+	packet_buf_delim(req_buf);
+}
+
 enum protocol_version discover_version(struct packet_reader *reader)
 {
 	enum protocol_version version = protocol_unknown_version;
diff --git a/connect.h b/connect.h
index 1645126c17f889659d84174210a43939ef67507f..7716eb4e21d9c98fdd3406f331bff004a1c278bf 100644
--- a/connect.h
+++ b/connect.h
@@ -1,6 +1,7 @@
 #ifndef CONNECT_H
 #define CONNECT_H
 
+#include "string-list.h"
 #include "protocol.h"
 
 #define CONNECT_VERBOSE       (1u << 0)
@@ -30,4 +31,6 @@ void check_stateless_delimiter(int stateless_rpc,
 			       struct packet_reader *reader,
 			       const char *error);
 
+void write_command_and_capabilities(struct strbuf *req_buf, const char *command,
+									const struct string_list *server_options);
 #endif
diff --git a/fetch-object-info.c b/fetch-object-info.c
new file mode 100644
index 0000000000000000000000000000000000000000..5a32363dacf1ef7e1b0306642911d2292b879946
--- /dev/null
+++ b/fetch-object-info.c
@@ -0,0 +1,90 @@
+//
+// Created by Peijian (Eric) Ju on 2024-10-26.
+//
+
+#include "git-compat-util.h"
+#include "gettext.h"
+#include "hex.h"
+#include "pkt-line.h"
+#include "connect.h"
+#include "oid-array.h"
+#include "object-store-ll.h"
+#include "fetch-object-info.h"
+
+static void send_object_info_request(const int fd_out, struct object_info_args *args)
+{
+    struct strbuf req_buf = STRBUF_INIT;
+
+    write_command_and_capabilities(&req_buf, "object-info", args->server_options);
+
+    if (unsorted_string_list_has_string(args->object_info_options, "size"))
+        packet_buf_write(&req_buf, "size");
+
+    if (args->oids) {
+        for (size_t i = 0; i < args->oids->nr; i++)
+            packet_buf_write(&req_buf, "oid %s", oid_to_hex(&args->oids->oid[i]));
+    }
+
+    packet_buf_flush(&req_buf);
+    if (write_in_full(fd_out, req_buf.buf, req_buf.len) < 0)
+        die_errno(_("unable to write request to remote"));
+
+    strbuf_release(&req_buf);
+}
+
+int fetch_object_info(const enum protocol_version version, struct object_info_args *args,
+					  struct packet_reader *reader, struct object_info *object_info_data,
+					  const int stateless_rpc, int fd[])
+{
+	int size_index = -1;
+
+	switch (version) {
+	case protocol_v2:
+		if (!server_supports_v2("object-info"))
+			return -1;
+		if (unsorted_string_list_has_string(args->object_info_options, "size")
+				&& !server_supports_feature("object-info", "size", 0))
+			return -1;
+		send_object_info_request(fd[1], args);
+		break;
+	case protocol_v1:
+	case protocol_v0:
+		die(_("wrong protocol version. expected v2"));
+	case protocol_unknown_version:
+		BUG("unknown protocol version");
+	}
+
+	for (size_t i = 0; i < args->object_info_options->nr; i++) {
+		if (packet_reader_read(reader) != PACKET_READ_NORMAL) {
+			check_stateless_delimiter(stateless_rpc, reader, "stateless delimiter expected");
+			return -1;
+		}
+		if (unsorted_string_list_has_string(args->object_info_options, reader->line)) {
+			if (!strcmp(reader->line, "size")) {
+				size_index = i;
+				for (size_t j = 0; j < args->oids->nr; j++)
+					object_info_data[j].sizep = xcalloc(1, sizeof(long));
+			}
+			continue;
+		}
+		return -1;
+	}
+
+	for (size_t i = 0; packet_reader_read(reader) == PACKET_READ_NORMAL && i < args->oids->nr; i++){
+		struct string_list object_info_values = STRING_LIST_INIT_DUP;
+
+		string_list_split(&object_info_values, reader->line, ' ', -1);
+		if (0 <= size_index) {
+			if (!strcmp(object_info_values.items[1 + size_index].string, ""))
+				die("object-info: not our ref %s",
+					object_info_values.items[0].string);
+
+			*object_info_data[i].sizep = strtoul(object_info_values.items[1 + size_index].string, NULL, 10);
+		}
+
+		string_list_clear(&object_info_values, 0);
+	}
+	check_stateless_delimiter(stateless_rpc, reader, "stateless delimiter expected");
+
+	return 0;
+}
diff --git a/fetch-object-info.h b/fetch-object-info.h
new file mode 100644
index 0000000000000000000000000000000000000000..bd87df8428969f2cd7de5edce115c6b4057b9b0d
--- /dev/null
+++ b/fetch-object-info.h
@@ -0,0 +1,20 @@
+//
+// Created by Peijian (Eric) Ju on 2024-10-26.
+//
+
+#ifndef FETCH_OBJECT_INFO_H
+#define FETCH_OBJECT_INFO_H
+
+
+struct object_info_args {
+	struct string_list *object_info_options;
+	const struct string_list *server_options;
+	struct oid_array *oids;
+};
+
+
+int fetch_object_info(enum protocol_version version, struct object_info_args *args,
+	struct packet_reader *reader, struct object_info *object_info_data,
+	int stateless_rpc, int fd[]);
+
+#endif //FETCH_OBJECT_INFO_H
diff --git a/fetch-pack.c b/fetch-pack.c
index f752da93a80b257ecf5889e6fec7acab225dfefd..8b4143d7523613e2773e34e465b4ffb6a210d264 100644
--- a/fetch-pack.c
+++ b/fetch-pack.c
@@ -1314,38 +1314,6 @@ static int add_haves(struct fetch_negotiator *negotiator,
 	return haves_added;
 }
 
-static void write_fetch_command_and_capabilities(struct strbuf *req_buf,
-						 const struct string_list *server_options)
-{
-	const char *hash_name;
-
-	ensure_server_supports_v2("fetch");
-	packet_buf_write(req_buf, "command=fetch");
-	if (server_supports_v2("agent"))
-		packet_buf_write(req_buf, "agent=%s", git_user_agent_sanitized());
-	if (advertise_sid && server_supports_v2("session-id"))
-		packet_buf_write(req_buf, "session-id=%s", trace2_session_id());
-	if (server_options && server_options->nr) {
-		int i;
-		ensure_server_supports_v2("server-option");
-		for (i = 0; i < server_options->nr; i++)
-			packet_buf_write(req_buf, "server-option=%s",
-					 server_options->items[i].string);
-	}
-
-	if (server_feature_v2("object-format", &hash_name)) {
-		int hash_algo = hash_algo_by_name(hash_name);
-		if (hash_algo_by_ptr(the_hash_algo) != hash_algo)
-			die(_("mismatched algorithms: client %s; server %s"),
-			    the_hash_algo->name, hash_name);
-		packet_buf_write(req_buf, "object-format=%s", the_hash_algo->name);
-	} else if (hash_algo_by_ptr(the_hash_algo) != GIT_HASH_SHA1) {
-		die(_("the server does not support algorithm '%s'"),
-		    the_hash_algo->name);
-	}
-	packet_buf_delim(req_buf);
-}
-
 static int send_fetch_request(struct fetch_negotiator *negotiator, int fd_out,
 			      struct fetch_pack_args *args,
 			      const struct ref *wants, struct oidset *common,
@@ -1356,7 +1324,7 @@ static int send_fetch_request(struct fetch_negotiator *negotiator, int fd_out,
 	int done_sent = 0;
 	struct strbuf req_buf = STRBUF_INIT;
 
-	write_fetch_command_and_capabilities(&req_buf, args->server_options);
+	write_command_and_capabilities(&req_buf, "fetch", args->server_options);
 
 	if (args->use_thin_pack)
 		packet_buf_write(&req_buf, "thin-pack");
@@ -1677,18 +1645,21 @@ static struct ref *do_fetch_pack_v2(struct fetch_pack_args *args,
 		reader.me = "fetch-pack";
 	}
 
+	/* v2 supports these by default */
+	allow_unadvertised_object_request |= ALLOW_REACHABLE_SHA1;
+	use_sideband = 2;
+	if (args->depth > 0 || args->deepen_since || args->deepen_not)
+		args->deepen = 1;
+
+	if (args->object_info)
+		state = FETCH_SEND_REQUEST;
+
 	while (state != FETCH_DONE) {
 		switch (state) {
 		case FETCH_CHECK_LOCAL:
 			sort_ref_list(&ref, ref_compare_name);
 			QSORT(sought, nr_sought, cmp_ref_by_name);
 
-			/* v2 supports these by default */
-			allow_unadvertised_object_request |= ALLOW_REACHABLE_SHA1;
-			use_sideband = 2;
-			if (args->depth > 0 || args->deepen_since || args->deepen_not)
-				args->deepen = 1;
-
 			/* Filter 'ref' by 'sought' and those that aren't local */
 			mark_complete_and_common_ref(negotiator, args, &ref);
 			filter_refs(args, &ref, sought, nr_sought);
@@ -2174,7 +2145,7 @@ void negotiate_using_fetch(const struct oid_array *negotiation_tips,
 					   the_repository, "%d",
 					   negotiation_round);
 		strbuf_reset(&req_buf);
-		write_fetch_command_and_capabilities(&req_buf, server_options);
+		write_command_and_capabilities(&req_buf, "fetch", server_options);
 
 		packet_buf_write(&req_buf, "wait-for-done");
 
diff --git a/fetch-pack.h b/fetch-pack.h
index b5c579cdae2508e216d78b3ff31e2207f0a44770..cf7cedf161837933d2b84ae4f923584bb96dba60 100644
--- a/fetch-pack.h
+++ b/fetch-pack.h
@@ -16,6 +16,7 @@ struct fetch_pack_args {
 	const struct string_list *deepen_not;
 	struct list_objects_filter_options filter_options;
 	const struct string_list *server_options;
+	struct object_info *object_info_data;
 
 	/*
 	 * If not NULL, during packfile negotiation, fetch-pack will send "have"
@@ -42,6 +43,7 @@ struct fetch_pack_args {
 	unsigned reject_shallow_remote:1;
 	unsigned deepen:1;
 	unsigned refetch:1;
+	unsigned object_info:1;
 
 	/*
 	 * Indicate that the remote of this request is a promisor remote. The
diff --git a/object-file.c b/object-file.c
index b1a3463852c45105ccf2897e7b14228439c55bd7..181cde98e1282baccfa3351422637a68f949205f 100644
--- a/object-file.c
+++ b/object-file.c
@@ -3132,3 +3132,14 @@ int read_loose_object(const char *path,
 		munmap(map, mapsize);
 	return ret;
 }
+
+void free_object_info_contents(struct object_info *object_info)
+{
+	if (!object_info)
+		return;
+	free(object_info->typep);
+	free(object_info->sizep);
+	free(object_info->disk_sizep);
+	free(object_info->delta_base_oid);
+	free(object_info->type_name);
+}
diff --git a/object-store-ll.h b/object-store-ll.h
index 53b8e693b1b74f0e4156df7dce9f07460a65a9a8..611e2ca70896243976bfe9cc12212c78f84d8207 100644
--- a/object-store-ll.h
+++ b/object-store-ll.h
@@ -548,4 +548,7 @@ int for_each_object_in_pack(struct packed_git *p,
 int for_each_packed_object(each_packed_object_fn, void *,
 			   enum for_each_object_flags flags);
 
+/* Free pointers inside of object_info, but not object_info itself */
+void free_object_info_contents(struct object_info *object_info);
+
 #endif /* OBJECT_STORE_LL_H */
diff --git a/serve.c b/serve.c
index d674764a25d4cdb68a89cfcf991cbee94fa8cfe3..c3d80986420da6e45f799cacbc2852d5e966fa41 100644
--- a/serve.c
+++ b/serve.c
@@ -70,7 +70,7 @@ static void session_id_receive(struct repository *r UNUSED,
 	trace2_data_string("transfer", NULL, "client-sid", client_sid);
 }
 
-static int object_info_advertise(struct repository *r, struct strbuf *value UNUSED)
+static int object_info_advertise(struct repository *r, struct strbuf *value)
 {
 	if (advertise_object_info == -1 &&
 	    repo_config_get_bool(r, "transfer.advertiseobjectinfo",
@@ -78,6 +78,8 @@ static int object_info_advertise(struct repository *r, struct strbuf *value UNUS
 		/* disabled by default */
 		advertise_object_info = 0;
 	}
+	if (value && advertise_object_info)
+		strbuf_addstr(value, "size");
 	return advertise_object_info;
 }
 
diff --git a/t/lib-cat-file.sh b/t/lib-cat-file.sh
new file mode 100644
index 0000000000000000000000000000000000000000..929d32da76958aa64d2e09e065609ffde2fdf57a
--- /dev/null
+++ b/t/lib-cat-file.sh
@@ -0,0 +1,16 @@
+# Library of git-cat-file related functions.
+
+# Print a string without a trailing newline
+echo_without_newline () {
+	printf '%s' "$*"
+}
+
+# Print a string without newlines and replaces them with a NULL character (\0).
+echo_without_newline_nul () {
+	echo_without_newline "$@" | tr '\n' '\0'
+}
+
+# Calculate the length of a string removing any leading spaces.
+strlen () {
+	echo_without_newline "$1" | wc -c | sed -e 's/^ *//'
+}
diff --git a/t/t1006-cat-file.sh b/t/t1006-cat-file.sh
index d36cd7c0863591d197cfc3ef340972943ff40e6f..d8a851c427dfaa77b5f9030d1a4fc6ff9a0aa17d 100755
--- a/t/t1006-cat-file.sh
+++ b/t/t1006-cat-file.sh
@@ -4,6 +4,7 @@ test_description='git cat-file'
 
 TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-cat-file.sh
 
 test_cmdmode_usage () {
 	test_expect_code 129 "$@" 2>err &&
@@ -99,18 +100,6 @@ do
 	'
 done
 
-echo_without_newline () {
-    printf '%s' "$*"
-}
-
-echo_without_newline_nul () {
-	echo_without_newline "$@" | tr '\n' '\0'
-}
-
-strlen () {
-    echo_without_newline "$1" | wc -c | sed -e 's/^ *//'
-}
-
 run_tests () {
     type=$1
     oid=$2
diff --git a/t/t1017-cat-file-remote-object-info.sh b/t/t1017-cat-file-remote-object-info.sh
new file mode 100755
index 0000000000000000000000000000000000000000..f4bff07311d7cc28a7a4eb1aa1371657b7175462
--- /dev/null
+++ b/t/t1017-cat-file-remote-object-info.sh
@@ -0,0 +1,739 @@
+#!/bin/sh
+
+test_description='git cat-file --batch-command with remote-object-info command'
+
+GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
+export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
+
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-cat-file.sh
+
+hello_content="Hello World"
+hello_size=$(strlen "$hello_content")
+hello_oid=$(echo_without_newline "$hello_content" | git hash-object --stdin)
+
+# This is how we get 13:
+# 13 = <file mode> + <a_space> + <file name> + <a_null>, where
+# file mode is 100644, which is 6 characters;
+# file name is hello, which is 5 characters
+# a space is 1 character and a null is 1 character
+tree_size=$(($(test_oid rawsz) + 13))
+
+commit_message="Initial commit"
+
+# This is how we get 137:
+# 137 = <tree header> + <a_space> + <a newline> +
+# <Author line> + <a newline> +
+# <Committer line> + <a newline> +
+# <a newline> +
+# <commit message length>
+# An easier way to calculate is: 1. use `git cat-file commit <commit hash> | wc -c`,
+# to get 177, 2. then deduct 40 hex characters to get 137
+commit_size=$(($(test_oid hexsz) + 137))
+
+tag_header_without_oid="type blob
+tag hellotag
+tagger $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>"
+tag_header_without_timestamp="object $hello_oid
+$tag_header_without_oid"
+tag_description="This is a tag"
+tag_content="$tag_header_without_timestamp 0 +0000
+
+$tag_description"
+
+tag_oid=$(echo_without_newline "$tag_content" | git hash-object -t tag --stdin -w)
+tag_size=$(strlen "$tag_content")
+
+set_transport_variables () {
+	hello_oid=$(echo_without_newline "$hello_content" | git hash-object --stdin)
+	tree_oid=$(git -C "$1" write-tree)
+	commit_oid=$(echo_without_newline "$commit_message" | git -C "$1" commit-tree $tree_oid)
+	tag_oid=$(echo_without_newline "$tag_content" | git -C "$1" hash-object -t tag --stdin -w)
+	tag_size=$(strlen "$tag_content")
+}
+
+# This section tests --batch-command with remote-object-info command
+# Since "%(objecttype)" is currently not supported by the command remote-object-info ,
+# the filters are set to "%(objectname) %(objectsize)" in some test cases.
+
+# Test --batch-command remote-object-info with 'git://' transport with
+# transfer.advertiseobjectinfo set to true, i.e. server has object-info capability
+. "$TEST_DIRECTORY"/lib-git-daemon.sh
+start_git_daemon --export-all --enable=receive-pack
+daemon_parent=$GIT_DAEMON_DOCUMENT_ROOT_PATH/parent
+
+test_expect_success 'create repo to be served by git-daemon' '
+	git init "$daemon_parent" &&
+	echo_without_newline "$hello_content" > $daemon_parent/hello &&
+	git -C "$daemon_parent" update-index --add hello &&
+	git -C "$daemon_parent" config transfer.advertiseobjectinfo true &&
+	git clone "$GIT_DAEMON_URL/parent" -n "$daemon_parent/daemon_client_empty"
+'
+
+test_expect_success 'batch-command remote-object-info git://' '
+	(
+		set_transport_variables "$daemon_parent" &&
+		cd "$daemon_parent/daemon_client_empty" &&
+
+		# These results prove remote-object-info can get object info from the remote
+		echo "$hello_oid $hello_size" >expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+
+		# These results prove remote-object-info did not download objects from the remote
+		echo "$hello_oid missing" >>expect &&
+		echo "$tree_oid missing" >>expect &&
+		echo "$commit_oid missing" >>expect &&
+		echo "$tag_oid missing" >>expect &&
+
+		git cat-file --batch-command="%(objectname) %(objectsize)" >actual <<-EOF &&
+		remote-object-info "$GIT_DAEMON_URL/parent" $hello_oid
+		remote-object-info "$GIT_DAEMON_URL/parent" $tree_oid
+		remote-object-info "$GIT_DAEMON_URL/parent" $commit_oid
+		remote-object-info "$GIT_DAEMON_URL/parent" $tag_oid
+		info $hello_oid
+		info $tree_oid
+		info $commit_oid
+		info $tag_oid
+		EOF
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'batch-command remote-object-info git:// multiple sha1 per line' '
+	(
+		set_transport_variables "$daemon_parent" &&
+		cd "$daemon_parent/daemon_client_empty" &&
+
+		# These results prove remote-object-info can get object info from the remote
+		echo "$hello_oid $hello_size" >expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+
+		# These results prove remote-object-info did not download objects from the remote
+		echo "$hello_oid missing" >>expect &&
+		echo "$tree_oid missing" >>expect &&
+		echo "$commit_oid missing" >>expect &&
+		echo "$tag_oid missing" >>expect &&
+
+		git cat-file --batch-command="%(objectname) %(objectsize)" >actual <<-EOF &&
+		remote-object-info "$GIT_DAEMON_URL/parent" $hello_oid $tree_oid $commit_oid $tag_oid
+		info $hello_oid
+		info $tree_oid
+		info $commit_oid
+		info $tag_oid
+		EOF
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'batch-command remote-object-info git:// default filter' '
+	(
+		set_transport_variables "$daemon_parent" &&
+		cd "$daemon_parent/daemon_client_empty" &&
+
+		echo "$hello_oid $hello_size" >expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+		GIT_TRACE_PACKET=1 git cat-file --batch-command >actual <<-EOF &&
+		remote-object-info "$GIT_DAEMON_URL/parent" $hello_oid $tree_oid
+		remote-object-info "$GIT_DAEMON_URL/parent" $commit_oid $tag_oid
+		EOF
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'batch-command --buffer remote-object-info git://' '
+	(
+		set_transport_variables "$daemon_parent" &&
+		cd "$daemon_parent/daemon_client_empty" &&
+
+		# These results prove remote-object-info can get object info from the remote
+		echo "$hello_oid $hello_size" >expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+
+		# These results prove remote-object-info did not download objects from the remote
+		echo "$hello_oid missing" >>expect &&
+		echo "$tree_oid missing" >>expect &&
+		echo "$commit_oid missing" >>expect &&
+		echo "$tag_oid missing" >>expect &&
+
+		git cat-file --batch-command="%(objectname) %(objectsize)" --buffer >actual <<-EOF &&
+		remote-object-info "$GIT_DAEMON_URL/parent" $hello_oid $tree_oid
+		remote-object-info "$GIT_DAEMON_URL/parent" $commit_oid $tag_oid
+		info $hello_oid
+		info $tree_oid
+		info $commit_oid
+		info $tag_oid
+		flush
+		EOF
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'batch-command -Z remote-object-info git:// default filter' '
+	(
+		set_transport_variables "$daemon_parent" &&
+		cd "$daemon_parent/daemon_client_empty" &&
+
+		printf "%s\0" "$hello_oid $hello_size" >expect &&
+		printf "%s\0" "$tree_oid $tree_size" >>expect &&
+		printf "%s\0" "$commit_oid $commit_size" >>expect &&
+		printf "%s\0" "$tag_oid $tag_size" >>expect &&
+
+		printf "%s\0" "$hello_oid missing" >>expect &&
+		printf "%s\0" "$tree_oid missing" >>expect &&
+		printf "%s\0" "$commit_oid missing" >>expect &&
+		printf "%s\0" "$tag_oid missing" >>expect &&
+
+		batch_input="remote-object-info $GIT_DAEMON_URL/parent $hello_oid $tree_oid
+remote-object-info $GIT_DAEMON_URL/parent $commit_oid $tag_oid
+info $hello_oid
+info $tree_oid
+info $commit_oid
+info $tag_oid
+" &&
+		echo_without_newline_nul "$batch_input" >commands_null_delimited &&
+
+		git cat-file --batch-command -Z < commands_null_delimited >actual &&
+		test_cmp expect actual
+	)
+'
+
+# Test --batch-command remote-object-info with 'git://' and
+# transfer.advertiseobjectinfo set to false, i.e. server does not have object-info capability
+
+test_expect_success 'remote-object-info fallback git://: fetch objects to client' '
+	(
+		git -C "$daemon_parent" config transfer.advertiseobjectinfo false &&
+		set_transport_variables "$daemon_parent" &&
+		cd "$daemon_parent/daemon_client_empty" &&
+
+		# Prove object is not on the client
+		echo "$hello_oid missing" >expect &&
+		echo "$tree_oid missing" >>expect &&
+		echo "$commit_oid missing" >>expect &&
+		echo "$tag_oid missing" >>expect &&
+
+		# These results prove remote-object-info can retrieve object info
+		echo "$hello_oid $hello_size" >>expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+
+		# These results are for the info command
+		# They prove objects are downloaded
+		echo "$hello_oid $hello_size" >>expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+
+		git cat-file --batch-command="%(objectname) %(objectsize)" >actual <<-EOF &&
+		info $hello_oid
+		info $tree_oid
+		info $commit_oid
+		info $tag_oid
+		remote-object-info $GIT_DAEMON_URL/parent $hello_oid $tree_oid $commit_oid $tag_oid
+		info $hello_oid
+		info $tree_oid
+		info $commit_oid
+		info $tag_oid
+		EOF
+
+		# revert server state back
+		git -C "$daemon_parent" config transfer.advertiseobjectinfo true &&
+
+		test_cmp expect actual
+	)
+'
+
+stop_git_daemon
+
+# Test --batch-command remote-object-info with 'file://' transport with
+# transfer.advertiseobjectinfo set to true, i.e. server has object-info capability
+# shellcheck disable=SC2016
+test_expect_success 'create repo to be served by file:// transport' '
+	git init server &&
+	git -C server config protocol.version 2 &&
+	git -C server config transfer.advertiseobjectinfo true &&
+	echo_without_newline "$hello_content" > server/hello &&
+	git -C server update-index --add hello &&
+	git clone -n "file://$(pwd)/server" file_client_empty
+'
+
+test_expect_success 'batch-command remote-object-info file://' '
+	(
+		set_transport_variables "server" &&
+		server_path="$(pwd)/server" &&
+		cd file_client_empty &&
+
+		# These results prove remote-object-info can get object info from the remote
+		echo "$hello_oid $hello_size" >expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+
+		# These results prove remote-object-info did not download objects from the remote
+		echo "$hello_oid missing" >>expect &&
+		echo "$tree_oid missing" >>expect &&
+		echo "$commit_oid missing" >>expect &&
+		echo "$tag_oid missing" >>expect &&
+
+		git cat-file --batch-command="%(objectname) %(objectsize)" >actual <<-EOF &&
+		remote-object-info "file://${server_path}" $hello_oid
+		remote-object-info "file://${server_path}" $tree_oid
+		remote-object-info "file://${server_path}" $commit_oid
+		remote-object-info "file://${server_path}" $tag_oid
+		info $hello_oid
+		info $tree_oid
+		info $commit_oid
+		info $tag_oid
+		EOF
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'batch-command remote-object-info file:// multiple sha1 per line' '
+	(
+		set_transport_variables "server" &&
+		server_path="$(pwd)/server" &&
+		cd file_client_empty &&
+
+		# These results prove remote-object-info can get object info from the remote
+		echo "$hello_oid $hello_size" >expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+
+		# These results prove remote-object-info did not download objects from the remote
+		echo "$hello_oid missing" >>expect &&
+		echo "$tree_oid missing" >>expect &&
+		echo "$commit_oid missing" >>expect &&
+		echo "$tag_oid missing" >>expect &&
+
+
+		git cat-file --batch-command="%(objectname) %(objectsize)" >actual <<-EOF &&
+		remote-object-info "file://${server_path}" $hello_oid $tree_oid $commit_oid $tag_oid
+		info $hello_oid
+		info $tree_oid
+		info $commit_oid
+		info $tag_oid
+		EOF
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'batch-command --buffer remote-object-info file://' '
+	(
+		set_transport_variables "server" &&
+		server_path="$(pwd)/server" &&
+		cd file_client_empty &&
+
+		# These results prove remote-object-info can get object info from the remote
+		echo "$hello_oid $hello_size" >expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+
+		# These results prove remote-object-info did not download objects from the remote
+		echo "$hello_oid missing" >>expect &&
+		echo "$tree_oid missing" >>expect &&
+		echo "$commit_oid missing" >>expect &&
+		echo "$tag_oid missing" >>expect &&
+
+		git cat-file --batch-command="%(objectname) %(objectsize)" --buffer >actual <<-EOF &&
+		remote-object-info "file://${server_path}" $hello_oid $tree_oid
+		remote-object-info "file://${server_path}" $commit_oid $tag_oid
+		info $hello_oid
+		info $tree_oid
+		info $commit_oid
+		info $tag_oid
+		flush
+		EOF
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'batch-command remote-object-info file:// default filter' '
+	(
+		set_transport_variables "server" &&
+		server_path="$(pwd)/server" &&
+		cd file_client_empty &&
+
+		echo "$hello_oid $hello_size" >expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+
+		git cat-file --batch-command >actual <<-EOF &&
+		remote-object-info "file://${server_path}" $hello_oid $tree_oid
+		remote-object-info "file://${server_path}" $commit_oid $tag_oid
+		EOF
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'batch-command -Z remote-object-info file:// default filter' '
+	(
+		set_transport_variables "server" &&
+		server_path="$(pwd)/server" &&
+		cd file_client_empty &&
+
+		printf "%s\0" "$hello_oid $hello_size" >expect &&
+		printf "%s\0" "$tree_oid $tree_size" >>expect &&
+		printf "%s\0" "$commit_oid $commit_size" >>expect &&
+		printf "%s\0" "$tag_oid $tag_size" >>expect &&
+
+		printf "%s\0" "$hello_oid missing" >>expect &&
+		printf "%s\0" "$tree_oid missing" >>expect &&
+		printf "%s\0" "$commit_oid missing" >>expect &&
+		printf "%s\0" "$tag_oid missing" >>expect &&
+
+		batch_input="remote-object-info \"file://${server_path}\" $hello_oid $tree_oid
+remote-object-info \"file://${server_path}\" $commit_oid $tag_oid
+info $hello_oid
+info $tree_oid
+info $commit_oid
+info $tag_oid
+" &&
+		echo_without_newline_nul "$batch_input" >commands_null_delimited &&
+
+		git cat-file --batch-command -Z < commands_null_delimited >actual &&
+		test_cmp expect actual
+	)
+'
+
+# Test --batch-command remote-object-info with 'file://' and
+# transfer.advertiseobjectinfo set to false, i.e. server does not have object-info capability
+
+test_expect_success 'remote-object-info fallback file://: fetch objects to client' '
+	(
+		set_transport_variables "server" &&
+		server_path="$(pwd)/server" &&
+		git -C "${server_path}" config transfer.advertiseobjectinfo false &&
+		cd file_client_empty &&
+
+		# Prove object is not on the client
+		echo "$hello_oid missing" >expect &&
+		echo "$tree_oid missing" >>expect &&
+		echo "$commit_oid missing" >>expect &&
+		echo "$tag_oid missing" >>expect &&
+
+		# These results prove remote-object-info can retrieve object info
+		echo "$hello_oid $hello_size" >>expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+
+		# These results are for the info command
+		# They prove objects are downloaded
+		echo "$hello_oid $hello_size" >>expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+
+		git cat-file --batch-command="%(objectname) %(objectsize)" >actual <<-EOF &&
+		info $hello_oid
+		info $tree_oid
+		info $commit_oid
+		info $tag_oid
+		remote-object-info "file://${server_path}" $hello_oid $tree_oid $commit_oid $tag_oid
+		info $hello_oid
+		info $tree_oid
+		info $commit_oid
+		info $tag_oid
+		EOF
+
+		# revert server state back
+		git -C "${server_path}" config transfer.advertiseobjectinfo true &&
+		test_cmp expect actual
+	)
+'
+
+# Test --batch-command remote-object-info with 'http://' transport with
+# transfer.advertiseobjectinfo set to true, i.e. server has object-info capability
+
+. "$TEST_DIRECTORY"/lib-httpd.sh
+start_httpd
+
+test_expect_success 'create repo to be served by http:// transport' '
+	git init "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+	git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" config http.receivepack true &&
+	git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" config transfer.advertiseobjectinfo true &&
+	echo_without_newline "$hello_content" > $HTTPD_DOCUMENT_ROOT_PATH/http_parent/hello &&
+	git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" update-index --add hello &&
+	git clone "$HTTPD_URL/smart/http_parent" -n "$HTTPD_DOCUMENT_ROOT_PATH/http_client_empty"
+'
+
+test_expect_success 'batch-command remote-object-info http://' '
+	(
+		set_transport_variables "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		cd "$HTTPD_DOCUMENT_ROOT_PATH/http_client_empty" &&
+
+		# These results prove remote-object-info can get object info from the remote
+		echo "$hello_oid $hello_size" >expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+
+		# These results prove remote-object-info did not download objects from the remote
+		echo "$hello_oid missing" >>expect &&
+		echo "$tree_oid missing" >>expect &&
+		echo "$commit_oid missing" >>expect &&
+		echo "$tag_oid missing" >>expect &&
+
+		git cat-file --batch-command="%(objectname) %(objectsize)" >actual <<-EOF &&
+		remote-object-info "$HTTPD_URL/smart/http_parent" $hello_oid
+		remote-object-info "$HTTPD_URL/smart/http_parent" $tree_oid
+		remote-object-info "$HTTPD_URL/smart/http_parent" $commit_oid
+		remote-object-info "$HTTPD_URL/smart/http_parent" $tag_oid
+		info $hello_oid
+		info $tree_oid
+		info $commit_oid
+		info $tag_oid
+		EOF
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'batch-command remote-object-info http:// one line' '
+	(
+		set_transport_variables "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		cd "$HTTPD_DOCUMENT_ROOT_PATH/http_client_empty" &&
+
+		# These results prove remote-object-info can get object info from the remote
+		echo "$hello_oid $hello_size" >expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+
+		# These results prove remote-object-info did not download objects from the remote
+		echo "$hello_oid missing" >>expect &&
+		echo "$tree_oid missing" >>expect &&
+		echo "$commit_oid missing" >>expect &&
+		echo "$tag_oid missing" >>expect &&
+
+		git cat-file --batch-command="%(objectname) %(objectsize)" >actual <<-EOF &&
+		remote-object-info "$HTTPD_URL/smart/http_parent" $hello_oid $tree_oid $commit_oid $tag_oid
+		info $hello_oid
+		info $tree_oid
+		info $commit_oid
+		info $tag_oid
+		EOF
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'batch-command --buffer remote-object-info http://' '
+	(
+		set_transport_variables "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		cd "$HTTPD_DOCUMENT_ROOT_PATH/http_client_empty" &&
+
+		# These results prove remote-object-info can get object info from the remote
+		echo "$hello_oid $hello_size" >expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+
+		# These results prove remote-object-info did not download objects from the remote
+		echo "$hello_oid missing" >>expect &&
+		echo "$tree_oid missing" >>expect &&
+		echo "$commit_oid missing" >>expect &&
+		echo "$tag_oid missing" >>expect &&
+
+		git cat-file --batch-command="%(objectname) %(objectsize)" --buffer >actual <<-EOF &&
+		remote-object-info "$HTTPD_URL/smart/http_parent" $hello_oid $tree_oid
+		remote-object-info "$HTTPD_URL/smart/http_parent" $commit_oid $tag_oid
+		info $hello_oid
+		info $tree_oid
+		info $commit_oid
+		info $tag_oid
+		flush
+		EOF
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'batch-command remote-object-info http:// default filter' '
+	(
+		set_transport_variables "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		cd "$HTTPD_DOCUMENT_ROOT_PATH/http_client_empty" &&
+
+		echo "$hello_oid $hello_size" >expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+
+		git cat-file --batch-command >actual <<-EOF &&
+		remote-object-info "$HTTPD_URL/smart/http_parent" $hello_oid $tree_oid
+		remote-object-info "$HTTPD_URL/smart/http_parent" $commit_oid $tag_oid
+		EOF
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'batch-command -Z remote-object-info http:// default filter' '
+	(
+		set_transport_variables "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		cd "$HTTPD_DOCUMENT_ROOT_PATH/http_client_empty" &&
+
+		printf "%s\0" "$hello_oid $hello_size" >expect &&
+		printf "%s\0" "$tree_oid $tree_size" >>expect &&
+		printf "%s\0" "$commit_oid $commit_size" >>expect &&
+		printf "%s\0" "$tag_oid $tag_size" >>expect &&
+
+		batch_input="remote-object-info $HTTPD_URL/smart/http_parent $hello_oid $tree_oid
+remote-object-info $HTTPD_URL/smart/http_parent $commit_oid $tag_oid
+" &&
+		echo_without_newline_nul "$batch_input" >commands_null_delimited &&
+
+		git cat-file --batch-command -Z < commands_null_delimited >actual &&
+		test_cmp expect actual
+	)
+'
+
+test_expect_success 'remote-object-info fails on unspported filter option (objectsize:disk)' '
+	(
+		set_transport_variables "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		cd "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+
+		test_must_fail git cat-file --batch-command="%(objectsize:disk)" 2>err <<-EOF &&
+		remote-object-info "$HTTPD_URL/smart/http_parent" $hello_oid
+		EOF
+		test_grep "%(objectsize:disk) is currently not supported with remote-object-info" err
+	)
+'
+
+test_expect_success 'remote-object-info fails on unspported filter option (deltabase)' '
+	(
+		set_transport_variables "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		cd "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+
+		test_must_fail git cat-file --batch-command="%(deltabase)" 2>err <<-EOF &&
+		remote-object-info "$HTTPD_URL/smart/http_parent" $hello_oid
+		EOF
+		test_grep "%(deltabase) is currently not supported with remote-object-info" err
+	)
+'
+
+test_expect_success 'remote-object-info fails on server with legacy protocol' '
+	(
+		set_transport_variables "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		cd "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+
+		test_must_fail git -c protocol.version=0 cat-file --batch-command="%(objectname) %(objectsize)" 2>err <<-EOF &&
+		remote-object-info "$HTTPD_URL/smart/http_parent" $hello_oid
+		EOF
+		test_grep "remote-object-info requires protocol v2" err
+	)
+'
+
+test_expect_success 'remote-object-info fails on server with legacy protocol fallback' '
+	(
+		set_transport_variables "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		cd "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+
+		test_must_fail git -c protocol.version=0 cat-file --batch-command 2>err <<-EOF &&
+		remote-object-info "$HTTPD_URL/smart/http_parent" $hello_oid
+		EOF
+		test_grep "remote-object-info requires protocol v2" err
+	)
+'
+
+test_expect_success 'remote-object-info fails on malformed OID' '
+	(
+		set_transport_variables "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		cd "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		malformed_object_id="this_id_is_not_valid" &&
+
+		test_must_fail git cat-file --batch-command="%(objectname) %(objectsize)" 2>err <<-EOF &&
+		remote-object-info "$HTTPD_URL/smart/http_parent" $malformed_object_id
+		EOF
+		test_grep "Not a valid object name '$malformed_object_id'" err
+	)
+'
+
+test_expect_success 'remote-object-info fails on malformed OID fallback' '
+	(
+		set_transport_variables "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		cd "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		malformed_object_id="this_id_is_not_valid" &&
+
+		test_must_fail git cat-file --batch-command 2>err <<-EOF &&
+		remote-object-info "$HTTPD_URL/smart/http_parent" $malformed_object_id
+		EOF
+		test_grep "Not a valid object name '$malformed_object_id'" err
+	)
+'
+
+test_expect_success 'remote-object-info fails on missing OID' '
+	(
+		set_transport_variables "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		git clone "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" missing_oid_repo &&
+		test_commit -C missing_oid_repo message1 c.txt &&
+		cd missing_oid_repo &&
+
+		object_id=$(git rev-parse message1:c.txt) &&
+		test_must_fail git cat-file --batch-command="%(objectname) %(objectsize)" 2>err <<-EOF &&
+		remote-object-info "$HTTPD_URL/smart/http_parent" $object_id
+		EOF
+		test_grep "object-info: not our ref $object_id" err
+	)
+'
+
+# Test --batch-command remote-object-info with 'http://' transport and
+# transfer.advertiseobjectinfo set to false, i.e. server does not have object-info capability
+
+test_expect_success 'remote-object-info fallback http://: fetch objects to client' '
+	(
+		set_transport_variables "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
+		git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" config transfer.advertiseobjectinfo false &&
+		cd "$HTTPD_DOCUMENT_ROOT_PATH/http_client_empty" &&
+
+		# Prove object is not on the client
+		echo "$hello_oid missing" >expect &&
+		echo "$tree_oid missing" >>expect &&
+		echo "$commit_oid missing" >>expect &&
+		echo "$tag_oid missing" >>expect &&
+
+		# These results prove remote-object-info can retrieve object info
+		echo "$hello_oid $hello_size" >>expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+
+		# These results are for the info command
+		# They prove objects are downloaded
+		echo "$hello_oid $hello_size" >>expect &&
+		echo "$tree_oid $tree_size" >>expect &&
+		echo "$commit_oid $commit_size" >>expect &&
+		echo "$tag_oid $tag_size" >>expect &&
+
+		git cat-file --batch-command >actual <<-EOF &&
+		info $hello_oid
+		info $tree_oid
+		info $commit_oid
+		info $tag_oid
+		remote-object-info "$HTTPD_URL/smart/http_parent" $hello_oid $tree_oid $commit_oid $tag_oid
+		info $hello_oid
+		info $tree_oid
+		info $commit_oid
+		info $tag_oid
+		EOF
+
+		# revert server state back
+		git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" config transfer.advertiseobjectinfo true &&
+
+		test_cmp expect actual
+	)
+'
+
+# DO NOT add non-httpd-specific tests here, because the last part of this
+# test script is only executed when httpd is available and enabled.
+
+test_done
diff --git a/transport-helper.c b/transport-helper.c
index 013ec79dc9cdc54094c37262381350a0bfa43731..2ff9675984d843c4b92b803e0f8f6a0dd1dd6c01 100644
--- a/transport-helper.c
+++ b/transport-helper.c
@@ -709,8 +709,8 @@ static int fetch_refs(struct transport *transport,
 
 	/*
 	 * If we reach here, then the server, the client, and/or the transport
-	 * helper does not support protocol v2. --negotiate-only requires
-	 * protocol v2.
+	 * helper does not support protocol v2. --negotiate-only and cat-file remote-object-info
+	 * require protocol v2.
 	 */
 	if (data->transport_options.acked_commits) {
 		warning(_("--negotiate-only requires protocol v2"));
@@ -726,6 +726,13 @@ static int fetch_refs(struct transport *transport,
 		free_refs(dummy);
 	}
 
+	/* fail the command explicitly to avoid further commands input. */
+	if (transport->smart_options->object_info)
+		die(_("remote-object-info requires protocol v2"));
+
+	if (!data->get_refs_list_called)
+		get_refs_list_using_list(transport, 0);
+
 	count = 0;
 	for (i = 0; i < nr_heads; i++)
 		if (!(to_fetch[i]->status & REF_STATUS_UPTODATE))
diff --git a/transport.c b/transport.c
index 47fda6a7732f4b8cdcb6e750f36b896a988ffd0b..cf9c61c6f46d2e343cec6ea9737ef6aca78a2a69 100644
--- a/transport.c
+++ b/transport.c
@@ -9,6 +9,7 @@
 #include "hook.h"
 #include "pkt-line.h"
 #include "fetch-pack.h"
+#include "fetch-object-info.h"
 #include "remote.h"
 #include "connect.h"
 #include "send-pack.h"
@@ -371,6 +372,72 @@ static struct ref *handshake(struct transport *transport, int for_push,
 	return refs;
 }
 
+// static int fetch_object_info(enum protocol_version version, struct object_info_args *args,
+// 		struct packet_reader *reader, struct object_info *object_info_data,
+// 		int stateless_rpc, int fd[])
+// {
+// 	int size_index = -1;
+// 	// struct git_transport_data *data = transport->data;
+//
+// 	// struct object_info_args args = { 0 };
+// 	// struct packet_reader reader;
+//
+// 	// data->version = discover_version(reader);
+//
+//
+// 	// transport->hash_algo = reader->hash_algo;
+//
+// 	switch (version) {
+// 	case protocol_v2:
+// 		if (!server_supports_v2("object-info"))
+// 			return -1;
+// 		if (unsorted_string_list_has_string(args->object_info_options, "size")
+// 				&& !server_supports_feature("object-info", "size", 0))
+// 			return -1;
+// 		send_object_info_request(fd[1], args);
+// 		break;
+// 	case protocol_v1:
+// 	case protocol_v0:
+// 		die(_("wrong protocol version. expected v2"));
+// 	case protocol_unknown_version:
+// 		BUG("unknown protocol version");
+// 	}
+//
+// 	for (size_t i = 0; i < args->object_info_options->nr; i++) {
+// 		if (packet_reader_read(reader) != PACKET_READ_NORMAL) {
+// 			check_stateless_delimiter(stateless_rpc, reader, "stateless delimiter expected");
+// 			return -1;
+// 		}
+// 		if (unsorted_string_list_has_string(args->object_info_options, reader->line)) {
+// 			if (!strcmp(reader->line, "size")) {
+// 				size_index = i;
+// 				for (size_t j = 0; j < args->oids->nr; j++)
+// 					object_info_data[j].sizep = xcalloc(1, sizeof(long));
+// 			}
+// 			continue;
+// 		}
+// 		return -1;
+// 	}
+//
+// 	for (size_t i = 0; packet_reader_read(reader) == PACKET_READ_NORMAL && i < args->oids->nr; i++){
+// 		struct string_list object_info_values = STRING_LIST_INIT_DUP;
+//
+// 		string_list_split(&object_info_values, reader->line, ' ', -1);
+// 		if (0 <= size_index) {
+// 			if (!strcmp(object_info_values.items[1 + size_index].string, ""))
+// 				die("object-info: not our ref %s",
+// 					object_info_values.items[0].string);
+//
+// 			*object_info_data[i].sizep = strtoul(object_info_values.items[1 + size_index].string, NULL, 10);
+// 		}
+//
+// 		string_list_clear(&object_info_values, 0);
+// 	}
+// 	check_stateless_delimiter(stateless_rpc, reader, "stateless delimiter expected");
+//
+// 	return 0;
+// }
+
 static struct ref *get_refs_via_connect(struct transport *transport, int for_push,
 					struct transport_ls_refs_options *options)
 {
@@ -418,6 +485,7 @@ static int fetch_refs_via_pack(struct transport *transport,
 	struct ref *refs = NULL;
 	struct fetch_pack_args args;
 	struct ref *refs_tmp = NULL, **to_fetch_dup = NULL;
+	struct ref *object_info_refs = NULL;
 
 	memset(&args, 0, sizeof(args));
 	args.uploadpack = data->options.uploadpack;
@@ -444,11 +512,57 @@ static int fetch_refs_via_pack(struct transport *transport,
 	args.server_options = transport->server_options;
 	args.negotiation_tips = data->options.negotiation_tips;
 	args.reject_shallow_remote = transport->smart_options->reject_shallow;
+	args.object_info = transport->smart_options->object_info;
+
+	if (transport->smart_options
+		&& transport->smart_options->object_info
+		&& transport->smart_options->object_info_oids->nr > 0) {
+
+		struct ref *ref_itr = object_info_refs = alloc_ref("");
+		struct packet_reader reader;
+		struct object_info_args obj_info_args = { 0 };
+		// enum protocol_version version;
+		// struct git_transport_data *data = transport->data;
+		// struct git_transport_data *data = transport->data;
+
+		obj_info_args.server_options = transport->server_options;
+		obj_info_args.object_info_options = transport->smart_options->object_info_options;
+		obj_info_args.oids = transport->smart_options->object_info_oids;
+
+		connect_setup(transport, 0);
+		packet_reader_init(&reader, data->fd[0], NULL, 0,
+				PACKET_READ_CHOMP_NEWLINE |
+				PACKET_READ_GENTLE_ON_EOF |
+				PACKET_READ_DIE_ON_ERR_PACKET);
+
+		// version = discover_version(&reader);
+		data->version = discover_version(&reader);
+		transport->hash_algo = reader.hash_algo;
+
+		if (!fetch_object_info(data->version , &obj_info_args, &reader,
+			data->options.object_info_data, transport->stateless_rpc, data->fd))
+			goto cleanup;
+
+		args.object_info_data = data->options.object_info_data;
+		args.quiet = 1;
+		args.no_progress = 1;
+		for (size_t i = 0; i < transport->smart_options->object_info_oids->nr; i++) {
+			ref_itr->old_oid = transport->smart_options->object_info_oids->oid[i];
+			ref_itr->exact_oid = 1;
+			if (i == transport->smart_options->object_info_oids->nr - 1)
+				/* last element, no need to allocate to next */
+				ref_itr->next = NULL;
+			else
+				ref_itr->next = alloc_ref("");
 
-	if (!data->finished_handshake) {
-		int i;
+			ref_itr = ref_itr->next;
+		}
+
+		transport->remote_refs = object_info_refs;
+
+	} else if (!data->finished_handshake) {
 		int must_list_refs = 0;
-		for (i = 0; i < nr_heads; i++) {
+		for (int i = 0; i < nr_heads; i++) {
 			if (!to_fetch[i]->exact_oid) {
 				must_list_refs = 1;
 				break;
@@ -494,16 +608,26 @@ static int fetch_refs_via_pack(struct transport *transport,
 			  &transport->pack_lockfiles, data->version);
 
 	data->finished_handshake = 0;
+	if (args.object_info) {
+		struct ref *ref_cpy_reader = object_info_refs;
+		for (int i = 0; ref_cpy_reader; i++) {
+			oid_object_info_extended(the_repository, &ref_cpy_reader->old_oid,
+				&args.object_info_data[i], OBJECT_INFO_LOOKUP_REPLACE);
+			ref_cpy_reader = ref_cpy_reader->next;
+		}
+	}
+
 	data->options.self_contained_and_connected =
 		args.self_contained_and_connected;
 	data->options.connectivity_checked = args.connectivity_checked;
 
-	if (!refs)
+	if (!refs && !args.object_info)
 		ret = -1;
 	if (report_unmatched_refs(to_fetch, nr_heads))
 		ret = -1;
 
 cleanup:
+	free_refs(object_info_refs);
 	close(data->fd[0]);
 	if (data->fd[1] >= 0)
 		close(data->fd[1]);
diff --git a/transport.h b/transport.h
index 44100fa9b7fdd6f073a6a64d2979d408117a81d6..42b8ee125113dc7b73a52596602c33c26920653b 100644
--- a/transport.h
+++ b/transport.h
@@ -5,6 +5,7 @@
 #include "remote.h"
 #include "list-objects-filter-options.h"
 #include "string-list.h"
+#include "object-store.h"
 
 struct git_transport_options {
 	unsigned thin : 1;
@@ -30,6 +31,12 @@ struct git_transport_options {
 	 */
 	unsigned connectivity_checked:1;
 
+	/*
+	 * Transport will attempt to pull only object-info. Fallbacks
+	 * to pulling entire object if object-info is not supported.
+	 */
+	unsigned object_info : 1;
+
 	int depth;
 	const char *deepen_since;
 	const struct string_list *deepen_not;
@@ -53,6 +60,10 @@ struct git_transport_options {
 	 * common commits to this oidset instead of fetching any packfiles.
 	 */
 	struct oidset *acked_commits;
+
+	struct oid_array *object_info_oids;
+	struct object_info *object_info_data;
+	struct string_list *object_info_options;
 };
 
 enum transport_family {