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How to add the Astro Docs MCP server to ChatGPT

Server URL: https://mcp.docs.astro.build/mcp
Sign-in: No sign-in. Paste the URL and it connects.
Our hands-on result: Partial 5 of 6 tasks passed, tested Oct 16, 2026 with MCP TypeScript SDK (reference client).

ChatGPT setup

https://mcp.docs.astro.build/mcp
  1. Open Plugins on chatgpt.com, click the plus button, then Add custom MCP server. On some plans you first turn on Developer mode under Settings.
  2. Name it astro-docs and enter the URL: https://mcp.docs.astro.build/mcp
  3. Set authentication to none.
  4. Tick the risk acknowledgement, create it, then start a new chat and pick it with @.

We ran the hands-on test in a reference client, not in ChatGPT. This config follows ChatGPT's documented format for remote (Streamable HTTP) servers. If it fails for you, tell us and we will retest.

Known problems and fixes

Same server, other clients

Full Astro Docs test report | Compare all tested connectors | Connector Weather

How to add the Astro Docs MCP server to ChatGPT (tested Oct 16, 2026)