diff --git a/.github/workflows/open-pr-copy-from-oss.yml b/.github/workflows/open-pr-copy-from-oss.yml
index 05af6ea449a1..40592f5e0bf2 100644
--- a/.github/workflows/open-pr-copy-from-oss.yml
+++ b/.github/workflows/open-pr-copy-from-oss.yml
@@ -23,6 +23,6 @@ jobs:
 
       - name: Copy from OSS code
         env:
-          GH_TOKEN: ${{ secrets.PAT_FOR_CODE_SYNC_FROM_LIANMIN }}
+          GH_TOKEN: ${{ secrets.GH_PAT_FOR_OPEN_PR_TO_PRIVATE }}
         run: |
           python3 scripts/code_sync/copy_from_oss.py
diff --git a/.github/workflows/open-pr-copy-to-oss.yml b/.github/workflows/open-pr-copy-to-oss.yml
index b3bb6aae4fae..a29c6bc2aa2a 100644
--- a/.github/workflows/open-pr-copy-to-oss.yml
+++ b/.github/workflows/open-pr-copy-to-oss.yml
@@ -26,6 +26,6 @@ jobs:
 
       - name: Copy to OSS code
         env:
-          GH_TOKEN: ${{ secrets.PAT_FOR_CODE_SYNC_FROM_LIANMIN }}
+          GH_TOKEN: ${{ secrets.GH_PAT_FOR_OPEN_PR_TO_OSS }}
         run: |
           python3 scripts/code_sync/copy_to_oss.py --commit ${{ github.event.inputs.commit_sha }}
diff --git a/scripts/code_sync/check_commits.py b/scripts/code_sync/check_commits.py
new file mode 100644
index 000000000000..ee08f36a8e1e
--- /dev/null
+++ b/scripts/code_sync/check_commits.py
@@ -0,0 +1,282 @@
+"""
+List commits in the private repo that need to be synced to the OSS repo.
+
+NOTE:
+1. You need to execute this script in the git root folder.
+
+This script will:
+1. Find the most recent sync commit (message starts with
+   "[Automated PR] Copy OSS code from commit").
+2. Scan commits after that point and keep those that touch the configured paths.
+3. Print a markdown summary with commit links and write it to GitHub Step Summary.
+
+Usage:
+python3 scripts/code_sync/check_commits.py
+"""
+
+import argparse
+import os
+import shutil
+import subprocess
+from typing import List, Optional, Tuple
+
+# --- Configuration Begin ---
+# List of folders and files to copy to the OSS repo.
+# Changes outside these paths will be ignored.
+folder_names = [
+    "3rdparty",
+    "assets",
+    "benchmark",
+    "docker",
+    "docs",
+    "examples",
+    "python/sglang/lang",
+    "python/sglang/jit_kernel",
+    "python/sglang/srt",
+    "python/sglang/test",
+    "python/sglang/utils.py",
+    "python/sglang/README.md",
+    "sgl-kernel",
+    "test/manual",
+    "test/registered",
+    "test/srt",
+    "test/README.md",
+    "test/run_suite.py",
+    "README.md",
+]
+
+private_repo = "your-org/sglang-private-repo"
+sync_commit_prefix = r"\[Automated PR\] Copy OSS code from commit"
+# --- Configuration End ---
+
+
+def write_github_step_summary(content: str) -> None:
+    with open(os.environ["GITHUB_STEP_SUMMARY"], "a") as f:
+        f.write(content)
+
+
+def check_dependencies() -> None:
+    """Check for required command-line tools."""
+    if not shutil.which("git"):
+        raise EnvironmentError("git is not installed or not in PATH.")
+
+
+def get_repo_from_origin() -> str:
+    """Try to infer the repo slug (owner/name) from git remote.origin.url."""
+    try:
+        url = subprocess.run(
+            ["git", "config", "--get", "remote.origin.url"],
+            capture_output=True,
+            text=True,
+            check=True,
+        ).stdout.strip()
+    except subprocess.CalledProcessError:
+        return private_repo
+
+    if url.startswith("git@github.com:"):
+        repo = url.split("git@github.com:", 1)[1]
+    elif url.startswith("https://github.com/"):
+        repo = url.split("https://github.com/", 1)[1]
+    else:
+        return private_repo
+
+    if repo.endswith(".git"):
+        repo = repo[: -len(".git")]
+    return repo or private_repo
+
+
+def get_last_sync_commit() -> Optional[str]:
+    """Find the most recent sync commit that copied from OSS."""
+    try:
+        result = subprocess.run(
+            [
+                "git",
+                "log",
+                "-1",
+                "--grep",
+                sync_commit_prefix,
+                "--format=%H",
+            ],
+            capture_output=True,
+            text=True,
+            check=True,
+        ).stdout.strip()
+        return result or None
+    except subprocess.CalledProcessError as e:
+        print(f"Error finding last sync commit: {e.stderr}")
+        return None
+
+
+def get_commits_since(last_sync_hash: Optional[str]) -> List[str]:
+    """Get commit hashes from last sync commit (exclusive) to HEAD."""
+    try:
+        if last_sync_hash:
+            command = ["git", "rev-list", f"{last_sync_hash}..HEAD"]
+        else:
+            command = ["git", "rev-list", "HEAD"]
+        result = subprocess.run(
+            command, capture_output=True, text=True, check=True
+        ).stdout.strip()
+        return [line for line in result.split("\n") if line]
+    except subprocess.CalledProcessError as e:
+        print(f"Error getting commit list: {e.stderr}")
+        return []
+
+
+def get_changed_files(commit_hash: str) -> List[str]:
+    try:
+        output = subprocess.run(
+            ["git", "diff-tree", "--no-commit-id", "--name-only", "-r", commit_hash],
+            capture_output=True,
+            text=True,
+            check=True,
+        ).stdout.strip()
+        return [line for line in output.split("\n") if line]
+    except subprocess.CalledProcessError as e:
+        print(f"Error getting changed files for {commit_hash}: {e.stderr}")
+        return []
+
+
+def is_relevant_path(changed_file: str, path_prefix: str) -> bool:
+    if changed_file == path_prefix:
+        return True
+    return changed_file.startswith(f"{path_prefix}/")
+
+
+def get_relevant_files(changed_files: List[str]) -> List[str]:
+    return [
+        changed_file
+        for changed_file in changed_files
+        if any(is_relevant_path(changed_file, path) for path in folder_names)
+    ]
+
+
+def get_commit_summary(commit_hash: str) -> Tuple[str, str]:
+    """Return (subject, date) for a commit."""
+    try:
+        output = subprocess.run(
+            ["git", "show", "-s", "--format=%s%x00%ad", "--date=short", commit_hash],
+            capture_output=True,
+            text=True,
+            check=True,
+        ).stdout.strip()
+        subject, commit_date = output.split("\x00", 1)
+    except subprocess.CalledProcessError as e:
+        print(f"Error getting commit subject for {commit_hash}: {e.stderr}")
+        subject = "(unknown subject)"
+        commit_date = "(unknown date)"
+    return subject, commit_date
+
+
+def format_files_list(relevant_files: List[str]) -> str:
+    return "\n".join([f"- {file_path}" for file_path in relevant_files])
+
+
+def format_last_sync_block(
+    repo: str, subject: str, commit_hash: str, commit_date: str
+) -> str:
+    short_hash = commit_hash[:9]
+    commit_url = f"https://github.com/{repo}/commit/{commit_hash}"
+    return "\n".join(
+        [
+            "## Last sync",
+            "",
+            f"#### {subject}",
+            f"date: {commit_date}",
+            f"commit: [{short_hash}]({commit_url})",
+            "",
+        ]
+    )
+
+
+def format_commit_block(
+    repo: str,
+    subject: str,
+    commit_hash: str,
+    commit_date: str,
+    relevant_files: List[str],
+) -> str:
+    short_hash = commit_hash[:9]
+    commit_url = f"https://github.com/{repo}/commit/{commit_hash}"
+    files_str = format_files_list(relevant_files) if relevant_files else "- None"
+    return "\n".join(
+        [
+            f"#### {subject}",
+            f"date: {commit_date}",
+            "files to sync:",
+            files_str,
+            "",
+            f"commit: [{short_hash}]({commit_url})",
+            "",
+        ]
+    )
+
+
+def format_output(
+    repo: str,
+    last_sync: Optional[Tuple[str, str, str]],
+    commits: List[Tuple[str, str, str, List[str]]],
+) -> str:
+    lines: List[str] = []
+    if last_sync:
+        subject, commit_hash, commit_date = last_sync
+        lines.append(format_last_sync_block(repo, subject, commit_hash, commit_date))
+    else:
+        lines.extend(["## Last sync", "", "No sync commit found.", ""])
+
+    lines.extend(["## Commits to sync", ""])
+    if not commits:
+        lines.append("No commits need to be synced.")
+        return "\n".join(lines) + "\n"
+
+    for commit_hash, subject, commit_date, relevant_files in commits:
+        lines.append(
+            format_commit_block(repo, subject, commit_hash, commit_date, relevant_files)
+        )
+
+    return "\n".join(lines)
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser(
+        description="List commits in the private repo that need to be synced to OSS."
+    )
+    parser.add_argument(
+        "--limit",
+        type=int,
+        default=0,
+        help="Limit number of commits printed (0 means no limit).",
+    )
+    args = parser.parse_args()
+
+    check_dependencies()
+
+    repo = get_repo_from_origin()
+    last_sync_hash = get_last_sync_commit()
+    last_sync_block = None
+    if last_sync_hash:
+        last_sync_subject, last_sync_date = get_commit_summary(last_sync_hash)
+        last_sync_block = (last_sync_subject, last_sync_hash, last_sync_date)
+
+    commits = get_commits_since(last_sync_hash)
+    if args.limit > 0:
+        commits = commits[: args.limit]
+
+    relevant_commits: List[Tuple[str, str, str, List[str]]] = []
+    for commit_hash in commits:
+        changed_files = get_changed_files(commit_hash)
+        if not changed_files:
+            continue
+        relevant_files = get_relevant_files(changed_files)
+        if relevant_files:
+            subject, commit_date = get_commit_summary(commit_hash)
+            relevant_commits.append((commit_hash, subject, commit_date, relevant_files))
+
+    output = format_output(repo, last_sync_block, relevant_commits)
+    print(output)
+    if os.environ.get("GITHUB_STEP_SUMMARY"):
+        write_github_step_summary(output)
+
+
+if __name__ == "__main__":
+    main()