sync_cursor_mcp_to_codex.py
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#!/usr/bin/env python3
"""把项目内 .cursor/mcp.json 同步到 Codex 的 MCP 配置。"""
from __future__ import annotations
import argparse
import json
import os
import subprocess
import sys
from pathlib import Path
def resolve_repo_root() -> Path:
return Path(__file__).resolve().parents[3]
def load_cursor_config(repo_root: Path) -> dict:
config_path = repo_root / ".cursor" / "mcp.json"
with config_path.open("r", encoding="utf-8") as f:
return json.load(f)
def apply_overrides(name: str, args: list[str], repo_root: Path) -> list[str]:
new_args = list(args)
if name == "filesystem":
fs_root = os.environ.get("LQERP_MCP_FILESYSTEM_ROOT", str(repo_root))
new_args = [fs_root if arg == "." else arg for arg in new_args]
if name == "my-sql-db":
mysql_url = os.environ.get("LQERP_MCP_MYSQL_URL")
if mysql_url:
new_args = [mysql_url if arg.startswith("mysql://") else arg for arg in new_args]
if name == "my-api-spec":
openapi_spec = os.environ.get("LQERP_MCP_OPENAPI_SPEC_URL")
api_base = os.environ.get("LQERP_MCP_OPENAPI_BASE_URL")
for index, arg in enumerate(new_args):
if openapi_spec and arg == "--openapi-spec" and index + 1 < len(new_args):
new_args[index + 1] = openapi_spec
if api_base and arg == "--api-base-url" and index + 1 < len(new_args):
new_args[index + 1] = api_base
return new_args
def run_command(command: list[str], dry_run: bool) -> None:
print("$", " ".join(command))
if not dry_run:
subprocess.run(command, check=True)
def sync_servers(repo_root: Path, dry_run: bool) -> None:
config = load_cursor_config(repo_root)
servers = config.get("mcpServers", {})
if not servers:
raise SystemExit("未在 .cursor/mcp.json 中找到 mcpServers 配置。")
for name, server in servers.items():
command = server.get("command")
args = server.get("args", [])
if not command:
print(f"跳过 {name}: 缺少 command", file=sys.stderr)
continue
final_args = apply_overrides(name, args, repo_root)
remove_cmd = ["codex", "mcp", "remove", name]
add_cmd = ["codex", "mcp", "add", name, "--", command, *final_args]
print(f"\n=== 同步 MCP: {name} ===")
if dry_run:
print("$", " ".join(remove_cmd), " # ignore failure if not exists")
print("$", " ".join(add_cmd))
continue
subprocess.run(remove_cmd, check=False)
run_command(add_cmd, dry_run=False)
def main() -> None:
parser = argparse.ArgumentParser(description="把 .cursor/mcp.json 同步到 Codex MCP 配置")
parser.add_argument("--dry-run", action="store_true", help="只打印将要执行的命令")
args = parser.parse_args()
repo_root = resolve_repo_root()
sync_servers(repo_root, dry_run=args.dry_run)
if __name__ == "__main__":
main()