DeepWiki's free remote MCP server by Cognition gives agents access to AI-generated documentation for public GitHub repositories. Agents can list documentation topics, read wiki contents and ask grounded questions about a repository. No authentication is required for public repos.
Connect
- 1Connect it in ChatGPT
Turn on Developer mode in ChatGPT (Settings → Security and login), open Plugins, select + and paste https://mcp.deepwiki.com/mcp as the MCP server URL. Add it to a chat from the composer's tools menu.
- 2Or add it to Codex or the API
codex mcp add deepwiki --url https://mcp.deepwiki.com/mcp
Configs are generated from the publisher's documented endpoint. Check their docs for plan requirements and scopes. New to this? Read the step-by-step tutorial.
Tools 3
read_wiki_structureread_wiki_contentsask_questionThings to ask
- “How does routing work in vercel/next.js?”
- “List the documentation topics for facebook/react”
- “Explain the architecture of modelcontextprotocol/typescript-sdk”
Remove it
- 1In ChatGPT
Open the connection's details page in your plugin settings (chatgpt.com/plugins) and disconnect or delete it.
- 2In Codex
codex mcp remove deepwikiOr delete the [mcp_servers.deepwiki] block from ~/.codex/config.toml.