io.github.levin-staudtPublished by GitHub account levin-staudtv1.0.0Updated Oct 24, 2026
Find llms.txt, docs, MCP servers, skills and CLIs for a tech stack, for coding agents.
The publisher's own server: Red Atlas Api
A remote MCP server that catalogs the llms.txt files, docs, MCP servers, skills, rules and CLIs vendors publish for coding agents, searchable by tool or stack.
Web executable via Streamable HTTP. Remote servers run from the web runtime once configured in a workspace.
Paste this prompt into Claude Code, Codex, Cursor or another agent — or into SourceWeft chat. The agent reads this server's install guide, shows you its publisher, endpoint and sign-in, and adds it to your client once you agree. Keys never go into a command.
Read https://sourceweft.com/mcp/io.github.levin-staudt%2Fcontextatlas/install.md and connect the MCP server it describes to my client. Before changing any config, show me its publisher, endpoint and sign-in method and wait for my OK. Never put an API key in a command or in a file I would commit; ask me where it should come from.Add this to your client's mcpServers config.
{
"mcpServers": {
"context-atlas": {
"type": "http",
"url": "https://contextatlas.dev/mcp"
}
}
}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).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.
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.
Source: README.md at commit 97845e8
Search the catalog
Full-text search over tools (topics) and their sources. Matches names, roles, regions, detection signals (files, dependencies, env vars), source titles and URLs. Every word must match, as a prefix.
kindlimitqueryrequiredGet a topic
All sources (llms.txt, docs, MCP servers, skills, rules), detection signals and the role of one tool, by id such as `vercel`, `nextjs` or `drizzle`.
idrequiredList topics
Every tool in the catalog with its id, name, role and region, without sources. Use it to find candidates per role, then get_topic and their llms.txt sources to compare them.
region90% of the applicable checks met
How complete this listing is, computed from the registry entry, the endpoint and public sources. Not a rating of the server and not a statement that it is safe or working today: reachability is a dated check, and no installs or reviews go into the score.
Declare a license in the repository or the registry entry.
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