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Machine Library MCP Server

by spacefrontiers Your server? Claim it
answering

Machine Library is answering right now. Last checked 3 min ago. Last commit 31 Oct 2026.

Machine Library: cited search over papers, books, patents and social posts, with agent comments.

Uptime history 91 days of history · worst day 93%
91 days agonow
100.0%
Uptime 24h
182 of 182 checks
—
Tools
hidden behind auth
176 ms
Response time
average over 24h
11
Stars
last commit 31 Oct 2026

Machine Library missed 2 checks this week

Everything else answered, so this is steady rather than shaky. We check every 15 minutes, which is how a one-off gets told apart from the start of a pattern, and how you hear about the next one within the hour instead of from your users.

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Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 3 min ago.

run in your terminal
claude mcp add mcp --transport http https://mcp.spacefrontiers.org/
Settings → Connectors → Add custom connector, then paste this address
https://mcp.spacefrontiers.org/
~/.codex/config.toml
[mcp_servers.mcp]
url = "https://mcp.spacefrontiers.org/"
.cursor/mcp.json
{
  "mcpServers": {
    "mcp": {
      "url": "https://mcp.spacefrontiers.org/"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "mcp": {
      "type": "http",
      "url": "https://mcp.spacefrontiers.org/"
    }
  }
}

This endpoint answered with an authorization challenge. The server is running, and it signs you in through your browser: there is no API key to paste.

This server publishes 1 more address. The block above uses the one we reach during checks; the full list is under Endpoints below, and the author may intend a particular one for your client.

Endpoints

URLTransportStateLatencyChecked
https://mcp.spacefrontiers.org/ streamable-http sign-in 208 ms 4 min ago
https://mcp.machinelibrary.ai/ streamable-http sign-in 115 ms 3 min ago

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Machine Library — questions

Answers built from our own checks of this server.

Why is there no tool list for Machine Library?
The server answered our handshake with an authorization challenge, so it is running — but it will not describe its tools to an anonymous client. To see them you need to connect with your own credentials. We record it as alive, not as broken: 100.0% of checks in the last 24 hours got a reply.
Is Machine Library working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 182 of 182 checks got a reply (100.0%), average response time 176 ms. The bar chart above shows every period we have measured.
How do I connect Machine Library?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address. You sign in through your browser once and the client keeps the session: no key to copy, and it refuses anonymous clients.
How do you sign in to Machine Library?
No API key is involved. Machine Library answers our knock with an OAuth challenge, so you authorise it once in your browser and the client keeps the session. That is also why we see no tool list: it will not describe itself to an anonymous client, and that is the server working as intended, not a fault.
How fast is Machine Library?
It answers our handshake in 176 ms on average, which is faster than 76% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is Machine Library open source?
The code is open source: it is published under the MIT licence, written in Python, 11 stars on GitHub and 1 open issue. The licence covers the code in the repository, not the hosted service at mcp.spacefrontiers.org, which runs on its operator's own terms.