Context7

Use Context7 via MCP so Codex can access up-to-date library documentation.

Codex🔗

For the simplest setup from the official Codex MCP docs, run:

codex mcp add context7 -- npx -y @upstash/context7-mcp

If you need to verify the server was added:

codex mcp list

Reference: OpenAI Codex MCP guide.