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Contextatlas MCP Server

by Levin Staudt
Developer ToolsLow Risk10.0MCP RegistryRemote
Free

Server data from the Official MCP Registry

Find llms.txt, docs, MCP servers, skills and CLIs for a tech stack, for coding agents.

About

Find llms.txt, docs, MCP servers, skills and CLIs for a tech stack, for coding agents.

Remote endpoints: streamable-http: https://contextatlas.dev/mcp

Security Report

10.0
Low Risk10.0Low Risk

Valid MCP server (2 strong, 2 medium validity signals). No known CVEs in dependencies. Imported from the Official MCP Registry.

3 tools verified · Open access · No issues found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Found in Source Code

Found by scanning the linked source code. This listing connects to a hosted endpoint, so none of this runs on your machine: it describes what the server software does where it is hosted.

HTTP Network Access

Connects to external APIs or services over the internet.

database

Applies to the server that hosts this plugin, not to your machine.

How to Connect

Remote Plugin

No local installation needed. Your AI client connects to the remote endpoint directly.

Add this to your MCP configuration to connect:

{
  "mcpServers": {
    "io-github-levin-staudt-contextatlas": {
      "url": "https://contextatlas.dev/mcp"
    }
  }
}

Documentation

View on GitHub

From the project's GitHub README.

Context Atlas

Live: https://contextatlas.dev (the old https://contextatlas.levinstaudt.workers.dev redirects there with a 301)

Chart a tech stack, or find the right sources for the one you have. Context Atlas collects the llms.txt indexes, docs, MCP servers, agent skills, rule files and CLIs that vendors publish for coding agents, grouped into cloud providers, frameworks, standards and CLIs.

The site only links to the sources; every source belongs to its vendor.

  • / lists every source, filterable by search and by kind (the map legend).
  • /agent has a copy button for a one-sentence prompt, either for an existing project (detect the stack, then follow the matching sources) or for a new one (propose a stack), and the command to add the MCP server.
  • /llms.txt holds the agent instructions and the full catalog; the prompt only links to it. /atlas.json has the same data as JSON.
  • /llms/<topic-id>.txt holds a single topic, for agents that need only one tool's sources.
  • /mcp is a stateless MCP server (Streamable HTTP) with the tools search, get_topic and list_topics: claude mcp add --transport http contextatlas https://contextatlas.dev/mcp.
  • /api/topics, /api/topics/<id> and /api/search?q=<words>&kind=<kind>&limit=<n> are the JSON API for the CLI (#13).

Add a source

All content lives in packages/core/src/catalog.ts. Add a Source to an existing topic, or a new Topic with a role and signals (how an agent detects it in a repo: file(...), dep(...), env(...) or hint(...)). Bump updatedAt. Then run bun run check; the catalog tests catch duplicate ids, bad URLs and malformed signals. The add-source skill has the details.

Everything the site serves is read from SQLite, which bun run seed (and every deploy) rebuilds from that file.

Develop

Bun workspaces, Hono in front for the agent files, the API and MCP, React Router (framework mode, server-rendered, Vite) for the pages, SQLite through Drizzle with FTS5 search, the MCP TypeScript SDK and Tailwind CSS.

bun install
bun dev          # http://localhost:3000, hot reload for the pages, restart on server changes
bun run check    # lint, typecheck, tests: run before every commit
bun run build    # dist/: single binary (server + pages) + public/ + drizzle/
bun run deploy   # deploy main to the VPS through GitHub Actions
PathWhat
packages/coreCatalog, database schema and migrations, seed, queries, search, llms.txt text. Transport-free.
apps/serverHono app: agent files, JSON API, MCP, static files; hands every other path to apps/web. src/main.ts is the binary (seed, serve), src/dev.ts the dev server.
apps/webThe pages for people: React Router routes, components and styles. Reads the catalog from the server's snapshot, no data logic. See docs/web-frontend.md.
apps/redirectCloudflare Worker that 301s the old workers.dev URL to the new domain.
deploy/systemd unit and VPS scripts.
scripts/Cloudflare setup, VPS access, IndexNow ping and the share image, all from the harness.
server.json, glama.jsonThe remote MCP server's entries for the official MCP Registry and Glama.
docs/deploy.mdInfrastructure and runbook.

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