feat(docs): add HTTP markdown negotiation support #5321
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Upgrade fumadocs-core from 15.1.0 to 15.8.3 to access the new negotiation API for HTTP content negotiation support. This enables serving markdown to AI agents while maintaining HTML for browsers.
Add dynamic route handler at /llms.mdx/[[...slug]]/ that serves markdown versions of documentation pages. This enables AI agents to fetch markdown content for specific pages with proper text/markdown Content-Type headers. - Uses existing getLLMText() helper for content processing - Supports static generation via generateStaticParams() - Returns 404 for non-existent pages
Implement Next.js middleware that detects when clients prefer markdown (via Accept header) and rewrites requests to serve markdown instead of HTML. This enables AI agents like Claude Code to seamlessly access documentation in markdown format. - Uses fumadocs-core negotiation API - Excludes API routes and static assets - Non-intrusive: browsers continue receiving HTML
Add Next.js rewrites to handle explicit .md and .mdx extension requests, routing them to the markdown handler. This allows users to append .md or .mdx to any doc URL to get markdown content. Examples: - /basics.md → /llms.mdx/basics - /library-authors.mdx → /llms.mdx/library-authors
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Summary
Adds HTTP content negotiation support to the Zod documentation site, enabling AI agents (like Claude Code) to receive markdown instead of HTML while maintaining HTML for regular browsers.
This implementation follows the pattern established in fumadocs PRs:
Changes
fumadocs-corefrom 15.1.0 to 15.8.3 to access the new negotiation API/llms.mdx/[[...slug]]/that serves markdown versions of documentation pagesContent negotiation middleware
AcceptheaderStatic rewrites for extensions
.mdand.mdxextension requests/basics.md→ markdown,/library-authors.mdx→ markdownHow it works
For AI agents:
Accept: text/markdownheader → receives markdown/basics.mdor/basics.mdx→ receives markdownFor browsers:
References