Crawlbase Web MCP Server

Crawlbase MCP Server connects AI agents and LLMs with real-time web data. It powers Claude, Cursor, and Windsurf integrations with battle-tested web

Local serverstdio

What is the Crawlbase Web MCP server?

Most search and retrieval work still happens through a UI a human drives. Crawlbase Web MCP server moves it into the conversation instead. Crawlbase MCP Server connects AI agents and LLMs with real-time web data. It powers Claude, Cursor, and Windsurf integrations with battle-tested web scraping, JavaScript rendering, and anti-bot protection enabling structured, live data.

The short version

Crawlbase MCP is a Model Context Protocol (MCP) server that bridges AI agents and the live web. Instead of relying on outdated training data, your LLMs can now fetch fresh, structured, real-time content — powered by Crawlbase’s proven crawling infrastructure trusted by 70,000+ developers worldwide.

Getting it running

Setup follows the usual MCP pattern — install or clone the server, register it in your client's configuration file, restart the client. The configuration blocks on this page cover the common clients.

What it needs from you

Configuration is passed through the environment: CRAWLBASE_TOKEN, CRAWLBASE_JS_TOKEN. Treat anything key-shaped as a real credential — scope it to the minimum the server needs, and rotate it if it ever lands in a shared config.

How it compares

This sits in the search and retrieval group, where several servers overlap in what they claim to do but differ sharply once you actually set them up. It is maintained by crawlbase; worth a glance at recent repository activity before you build anything load-bearing on it.

We check each listing at SyncDev against the project's documentation before it goes live — if something here drifts out of date, it is a bug worth reporting.

Things to watch

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • Missing credentials fail quietly in some clients — if no tools show up, check the environment block first.
  • Keep per-call confirmation enabled while you learn its behaviour; it is the cheapest safeguard you have.

How to install the Crawlbase Web MCP server

{
  "mcpServers": {
    "crawlbase": {
      "type": "stdio",
      "command": "npx",
      "args": ["@crawlbase/mcp@latest"],
      "env": {
        "CRAWLBASE_TOKEN": "your_token_here",
        "CRAWLBASE_JS_TOKEN": "your_js_token_here"
      }
    }
  }
}

Configuration as documented by the project. Restart the client after saving.

Configuration

VariableDescriptionRequired
CRAWLBASE_TOKENCredential the server authenticates with.Yes
CRAWLBASE_JS_TOKENCredential the server authenticates with.Yes

Frequently asked questions

You need free tokens from Crawlbase (a Normal token for HTML and a JavaScript token for JS‑rendered pages). Then configure the MCP server in your AI client.