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Diffbot MCP Server

by diffbot Your server? Claim it
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Diffbot is answering right now. Last checked 12 min ago. 728 installs a week from pypi. Last commit 11 Nov 2026.

Web search, page extraction, crawling, and Knowledge Graph queries from Diffbot's web index.

Installs per day peak 321 · avg 24
a month agotoday
Uptime history 34 hours of history
34 hours agonow
100.0%
Uptime 24h
91 of 91 checks
—
Tools
hidden behind auth
607 ms
Response time
average over 24h
728
Installs / week
npm and PyPI

Nothing serious here today

Today is the operative word: we check Diffbot every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 12 min ago.

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

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.

Endpoints

URLTransportStateLatencyChecked
https://mcp.diffbot.com/mcp streamable-http sign-in 566 ms 12 min ago

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answering

Diffbot — questions

Answers built from our own checks of this server.

Why is there no tool list for Diffbot?
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 Diffbot working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 607 ms. The bar chart above shows every period we have measured.
How do I connect Diffbot?
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 Diffbot?
No API key is involved. Diffbot 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 Diffbot?
It answers our handshake in 607 ms on average, which is faster than 19% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.
How many people use Diffbot?
The pypi package diffbot-mcp was installed 728 times in the last week. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Diffbot open source?
The code is open source: it is published under the MIT licence, written in Python, 3 stars on GitHub and 1 open issue. The licence covers the code in the repository, not the hosted service at mcp.diffbot.com, which runs on its operator's own terms.