Cat Burglar

Local install

io.github.DrMkdaddy/cat-burglarv0.3.3 GitHub verified

Stealth browser MCP with three engines, diff observations, site memory, and benchmarks.

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Registry entry

Open in the registry

{
  "_meta": {
    "io.modelcontextprotocol.registry/official": {
      "status": "active",
      "isLatest": true,
      "updatedAt": "2026-11-10T01:53:21.212339Z",
      "publishedAt": "2026-11-10T01:53:21.212339Z",
      "statusChangedAt": "2026-11-10T01:53:21.212339Z"
    }
  },
  "server": {
    "name": "io.github.DrMkdaddy/cat-burglar",
    "title": "Cat Burglar",
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "version": "0.3.3",
    "packages": [
      {
        "transport": {
          "type": "stdio"
        },
        "identifier": "ghcr.io/drmkdaddy/cat-burglar:v0.3.3",
        "registryType": "oci",
        "environmentVariables": [
          {
            "name": "BROWSER_MCP_ALLOW_PRIVATE_NETWORK",
            "format": "string",
            "description": "Set to 1 to allow localhost and private-network pages."
          },
          {
            "name": "BROWSER_MCP_OBSCURA_PATH",
            "format": "string",
            "description": "Path to the Obscura binary when it is not on PATH."
          },
          {
            "name": "BROWSER_MCP_PROFILE",
            "format": "string",
            "description": "Observation profile: local, flash, frontier, or auto."
          }
        ]
      }
    ],
    "repository": {
      "url": "https://github.com/DrMkdaddy/cat-burglar",
      "source": "github"
    },
    "description": "Stealth browser MCP with three engines, diff observations, site memory, and benchmarks."
  }
}

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Try it

This server only runs locally, from a package. Install it with the instructions on this page to try it.

Install

Pick your client. Values in capitals, like YOUR_TOKEN, are yours to fill in.

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Run in a terminal

claude mcp add cat-burglar \
  -- docker run -i --rm ghcr.io/drmkdaddy/cat-burglar:v0.3.3

Environment

BROWSER_MCP_ALLOW_PRIVATE_NETWORK (optional, not in the config above): Set to 1 to allow localhost and private-network pages.
BROWSER_MCP_OBSCURA_PATH (optional, not in the config above): Path to the Obscura binary when it is not on PATH.
BROWSER_MCP_PROFILE (optional, not in the config above): Observation profile: local, flash, frontier, or auto.

Tools

We don't run packages, so we can't list this server's tools.