Add back MCP server docs page #5171
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| title: MCP server | ||
| description: Connect AI clients like Claude Code and Cursor to your documentation site's MCP server for instant answers. | ||
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| Fern automatically generates and hosts a production-ready [Model Context Protocol (MCP)](https://modelcontextprotocol.io) server for every documentation site with [Ask Fern](/learn/docs/ai-features/ask-fern/overview) enabled. The server connects AI clients like Claude Code, Cursor, and Windsurf to your documentation as an external data source, so developers can get instant answers about your product directly within their development environment. | ||
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| Your MCP server is available at `your-documentation-site.com/_mcp/server`. For example, the MCP server for this site is at [https://buildwithfern.com/learn/_mcp/server](https://buildwithfern.com/learn/_mcp/server). | ||
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| ## Connect from your docs site | ||
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| [Page action](/learn/docs/configuration/site-level-settings#page-actions-configuration) buttons let users connect to your MCP server in one click: | ||
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| - **Connect to Claude Code** copies a `claude mcp add` command to the clipboard to register the server. | ||
| - **Connect to Cursor** opens Cursor with the server URL pre-filled for one-click install. | ||
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| Both buttons are enabled by default on sites with Ask Fern. For other clients (Claude Desktop, Windsurf, etc.), users can add `your-documentation-site.com/_mcp/server` to their MCP configuration. | ||
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| ## Direct API access for AI agents | ||
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| AI agents can access your documentation directly via HTTP. Fern serves content as clean Markdown for token efficiency. | ||
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| For authenticated sites, agents obtain a JWT via [`/api/fern-docs/get-jwt`](/learn/docs/fern-api-reference/get-jwt) with a Fern API key to access protected documentation content and search functionality. | ||
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| ```bash Access protected content | ||
| curl https://docs.example.com/platform/overview \ | ||
| -H 'Accept: text/plain' \ | ||
| -H 'x-fern-host: docs.example.com' \ | ||
| -H 'FERN_TOKEN: your-jwt-here' | ||
| ``` |
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| ## "Connect to Claude Code" page action | ||
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| Fern Docs sites with [Ask Fern](/learn/docs/ai-features/ask-fern/overview) enabled now display a "Connect to Claude Code" button alongside existing page actions. Clicking the button copies a `claude mcp add` command. Readers can paste it into their terminal to register your site's [MCP server](/learn/docs/ai-features/mcp-server) with Claude Code. | ||
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| The action is enabled by default and can be toggled off with `page-actions.options.claude-code: false` in `docs.yml`. | ||
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📝 [vale] reported by reviewdog 🐶
[FernStyles.Headings] '"Connect to Claude Code" page action' should use sentence-style capitalization.