Agentic Developer MCP Server

MCP server that wraps OpenAI Codex CLI and exposes MCP API

Local serverstdioPython

What is the Agentic Developer MCP Server?

MCP server that wraps OpenAI Codex CLI and exposes MCP API

The short version

This project wraps OpenAI's Codex CLI as an MCP (Model Context Protocol) server, making it accessible through the TeaBranch/open-responses-server middleware. This engine may be replaced with OpenCode or Amazon Strands

  1. Codex CLI: OpenAI's command-line interface for interacting with Codex. 2. MCP Wrapper Server: A Node.js Express server that forwards MCP requests to Codex CLI and formats responses as MCP. 3. open-responses-server: A middleware service that provides Responses API compatibility and MCP support.

What it needs from you

  • Node 22 (nvm install 22.15.1 | nvm use 22.15.1) required for Codex

More MCP options

Compare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.

Maintainer setup documentation.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

ToolWhat it does
run_codex
clone_and_write_prompt

How to install the Agentic Developer MCP Server

{
  "mcpServers": {
    "agentic-developer-mcp": {
      "url": "..."
    }
  }
}

From the project documentation. Replace placeholders and example paths before connecting.

Configuration

  • Node 22 (nvm install 22.15.1 | nvm use 22.15.1) required for Codex

Example prompts to try

  • “Use Agentic Developer MCP to run codex.”
  • “Use Agentic Developer MCP to Parameters.”
  • “Use Agentic Developer MCP to Example.”

Frequently asked questions

MCP server that wraps OpenAI Codex CLI and exposes MCP API Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.