codex-mcp-tool

MCP server bridging AI assistants to OpenAI Codex CLI for code analysis and review

stdio v2.1.1

Connection Configuration

Add this to your AI agent's MCP config file to connect.

Run in your terminal:

claude mcp add io.github.x51xxx--codex-mcp-tool -- npx

Transport

stdio

Authentication

None

Version

v2.1.1

Server Name

io.github.x51xxx/codex-mcp-tool

Last Updated

Mar 6, 2026

How to install and connect this MCP server.

Environment variables you must provide when running this server.

Variable	Description	Required
`CODEX_MCP_CWD`	Override working directory for all tool calls	Optional
`CODEX_SESSION_TTL_MS`	Session time-to-live in milliseconds (default: 86400000 = 24h)	Optional
`CODEX_MAX_SESSIONS`	Maximum concurrent sessions (default: 50)	Optional