Blume
The open-source docs framework for humans and agents.
Data verified Oct 3, 2026
Score
About Blume
Blume is an open-source documentation framework that turns a folder of Markdown/MDX files into a fast, fully-featured static docs site -- complete with search, SEO, versioning, and internationalization -- without requiring custom application code. Built on Astro and Vite for minimal client-side JavaScript, it natively renders OpenAPI, AsyncAPI, and GraphQL reference docs alongside hand-written guides, and pulls content from Notion, Sanity, Contentful, Strapi, Obsidian, or GitHub Releases. Its standout differentiator is being AI-agent-ready by default: every site auto-generates an llms.txt file, Markdown mirrors, and an MCP server so AI coding assistants can discover and use the documentation without extra configuration.
Screenshots
Commonly Cited Strengths & Limitations
Strengths
- Free and open source
- Zero-config setup
- Agent-native with top scores on is-agentic.com (100/100) and isitagentready.com (80/100)
- Fast, with reported Lighthouse performance of 100
Limitations
- Newer project (1.7k GitHub stars) with a smaller community than established tools like Docusaurus or Mintlify
- Requires Node.js 22.12+ and familiarity with Astro/MDX conventions
- AI-agent features add setup surface area teams may not need
Common Use Cases
- Building documentation sites
- Migrating existing docs from other platforms
- Publishing agent-readable documentation
Details
- Pricing Model
- Free
- Starting Price
- $0
- Category
- Developer Tools
Who is Blume for?
Documentation teams
Teams ship production-grade docs sites by dropping Markdown into a folder with no app boilerplate to maintain.
Coding agents
Agents read a Markdown twin of every page, query an MCP server, and consume llms.txt to search and understand the docs.
API/developer platforms
Developers drop in OpenAPI, AsyncAPI, or GraphQL specs to render interactive API references with a live playground.
Frequently Asked Questions
Is Blume free?
Yes, Blume is free to use.
Does Blume have an API?
Yes, Blume provides an API for developers.
Is Blume open source?
Yes, Blume is open source.
What does Blume integrate with?
Blume integrates with OpenAPI, AsyncAPI, GraphQL, GitHub Releases, Scalar, Vercel, Cloudflare, Mermaid, and more.
What are the downsides of Blume?
Newer project (1.7k GitHub stars) with a smaller community than established tools like Docusaurus or Mintlify Also, Requires Node.js 22.12+ and familiarity with Astro/MDX conventions
Who is Blume best for?
Blume is best suited for Documentation teams, Coding agents, API/developer platforms.
What can I use Blume for?
Common uses for Blume include building documentation sites, migrating existing docs from other platforms, publishing agent-readable documentation.
What is the best alternative to Blume?
Trickle is the closest alternative to Blume, followed by Supadev and Groq.
How does Blume compare to Trickle?
Blume and Trickle are both used for developer tools. See the full side-by-side comparison for pricing and feature differences.
Key Features
- Zero-config setupA folder of Markdown is a complete project with navigation inferred from your files and search, theming, and OG images on by default.
- Markdown twins for agentsEvery page has a Markdown twin available at its .md URL with Accept: text/markdown content negotiation on Vercel and Cloudflare server builds.
- llms.txt generationGenerates an index plus the full corpus in llms-full.txt, rebuilt on every build.
- MCP serverOpt-in tools that let coding agents search and read your docs directly.
- Agent skillsPoint Blume at your skills and it publishes them where agents look.
- Interactive API referencesDrop in an OpenAPI, AsyncAPI, or GraphQL spec and Blume renders a full interactive reference with endpoints, schemas, and a live 'Try it' playground.
- Built-in changelogWrite releases as Markdown or point Blume at GitHub Releases to generate a timeline at /changelog with an RSS feed on by default.
- Components and Markdown extensions30+ accessible components including callouts, cards, steps, tabs, file trees, package-install tabs, code groups, Mermaid diagrams, and KaTeX math.
- Production-ready defaultsLocal search in dev and production, OG images, sitemaps, RSS, JSON-LD, and UI in 30+ languages with right-to-left support.
Integrations
Technical Details
- Target Market
- B2B
- API
- Available
- Free Plan
- Available
Official Pricing
Blume's published plans · verified Oct 3, 2026
Free
$0
- Free and open source, forever
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