What is codex-mcp-tool?
codex-mcp-tool is a MCP server by x51xxx that connect an IDE or AI assistant to Codex CLI for code analysis and editing, with support for multiple models. It is listed under Developer tools and has 24 GitHub stars.
| Type | Mcp server |
|---|---|
| Author | x51xxx |
| Repository | x51xxx/codex-mcp-tool |
| Popularity | 24 GitHub stars |
| Category | Developer tools |
| Security | Review before installing (60/100) |
| Rank | #1,200 of 4,418 MCP servers; #293 in Developer tools |
| License | MIT |
| Last commit | 2026-09-30 |
| Runs | Cloud service |
| Language | TypeScript |
Is codex-mcp-tool safe to install?
codex-mcp-tool scores 60/100 on the MCPMods security check: Review before installing. Things to review: sends your data to a cloud service; can take actions such as send, write or deploy; executes code or shell commands. It passed 2 of 6 checks.
MCP server results come from listing signals: who publishes it, where your data goes and what it can do. The code itself is not scanned yet.
| Check | Result |
|---|---|
| Community-built server | Note |
| Sends your data to a cloud service | Review |
| No credentials mentioned | Pass |
| Can take actions such as send, write or deploy | Review |
| Executes code or shell commands | Review |
| Source on GitHub | Pass |
How do I install codex-mcp-tool?
- Find the launch command. The README says how the server starts (npx, uvx, docker or a remote URL) and which API keys it needs.
https://github.com/x51xxx/codex-mcp-tool
- Add it to Claude Code. Replace the part after -- with the command from the README. Remote servers use --transport http with a URL.
claude mcp add codex-mcp-tool -- <command from README> claude mcp add --transport http codex-mcp-tool <server-url>
- Check it connected. This lists your MCP servers and their status.
claude mcp list
Or ask Claude to set it up
Paste this into Claude Code and it installs codex-mcp-tool for you:
Add the "codex-mcp-tool" MCP server from https://github.com/x51xxx/codex-mcp-tool to Claude Code. Read its README for the launch command and any API keys I need, run claude mcp add, then check that it connects.