RemoteFree server, account needed

Perimeter Watch MCP server

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Passive domain-perimeter checks — cert expiry, subdomain takeover, lookalikes — as agent tools

Install Perimeter Watch in Claude Code

Claude Code
claude mcp add --transport http perimeter-watch https://perimeter-watch-api-production.up.railway.app/mcp/
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "perimeter-watch": {
      "url": "https://perimeter-watch-api-production.up.railway.app/mcp/"
    }
  }
}

Frequently asked questions

What does the Perimeter Watch MCP server do?

Passive domain-perimeter checks — cert expiry, subdomain takeover, lookalikes — as agent tools

Is the Perimeter Watch MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Perimeter Watch run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add Perimeter Watch to Claude Code?

Run: claude mcp add --transport http perimeter-watch https://perimeter-watch-api-production.up.railway.app/mcp/

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