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Greg Richardson
b539cc0529
Markdown guides (`/docs/guides/**/*.md`) that 404 currently return a text/plain `Not found` response. Since agents often hallucinate URL paths, this PR proactively provides page suggestions so that agents can find the page they are looking forward without further guessing. It uses the docs Content API to fetch related pages, similar to the [HTML 404 page](https://supabase.com/docs/404): ``` # 404 - Page Not Found The page `/docs/guides/mcp.md` does not exist. ## You might be looking for... - [Model context protocol (MCP)](https://supabase.com/docs/guides/getting-started/mcp.md) - [Building an MCP Server with mcp-lite](https://supabase.com/docs/guides/functions/examples/mcp-server-mcp-lite.md) - [Model Context Protocol (MCP) Authentication](https://supabase.com/docs/guides/auth/oauth-server/mcp-authentication.md) - [Deploy MCP servers](https://supabase.com/docs/guides/getting-started/byo-mcp.md) - [Enabling MCP Server Access](https://supabase.com/docs/guides/self-hosting/enable-mcp.md) See also: [Changelog](https://supabase.com/changelog.md) ``` ## How to test 1. Use curl to fetch a non-existent page with an `.md` extension: ```shell curl -i https://docs-git-docs-markdown-404-suggestions-supabase.vercel.app/docs/guides/mcp.md ``` Confirm that relevant pages are suggested (ballpark - our search algo needs some improvement). Also confirm that the response has content type `text/markdown`. 2. Use curl to fetch a non-existent page using the `Accept: text/markdown` header ```shell curl -i -H 'Accept: text/markdown' \ https://docs-git-docs-markdown-404-suggestions-supabase.vercel.app/docs/guides/mcp ``` And confirm the same result as 1. <!-- This is an auto-generated comment: release notes by coderabbit.ai --> ## Summary by CodeRabbit * **Bug Fixes** * 404 pages for missing guides now return a formatted Markdown response with proper content-type and no-cache headers, and include up to five related documentation suggestions to help users find relevant content. * **Chores** * Build environment now preserves an additional hosting URL variable to improve build/task consistency. <!-- end of auto-generated comment: release notes by coderabbit.ai -->