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mcp/harbor
Grok

catchr for Grok

dev.workers.perch-app.catchr/catchr

Instant no-signup webhook & HTTP-request inspector for testing webhooks and agent tool-callbacks.

client:Grok transport:streamable-http

Install catchr in Grok

.mcp.json (in your project root) 

{
  "mcpServers": {
    "catchr": {
      "type": "http",
      "url": "https://catchr.perch-app.workers.dev/mcp"
    }
  }
}

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

catchr in other clients

catchr MCP server