Install Codex in Claude Code
This server doesn't publish a package to a registry, so follow the install steps in its README. Once it runs, register it with Claude Code:
claude mcp add codex -- <command to start the server>Frequently asked questions
What does the Codex MCP server do?
Real-time enriched blockchain and market data across many networks via the Codex API.
Is the Codex MCP server free?
The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.
Does Codex run locally or remotely?
Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.
How do I add Codex to Claude Code?
Follow the install steps in the project's README at https://github.com/Codex-Data/codex-mcp, then register it with "claude mcp add".
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