Hookjar MCP MCP server

Hookjar provides public webhook inboxes for AI agents, allowing them to receive out-of-band callbacks such as OAuth redirects, payment notifications, and CI events. It offers tools to create inboxes, wait for requests, and retrieve captured HTTP data, facilitating integration with external services that require webhook responses.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-05Operated by Hookjar

MCP endpoint (Streamable HTTP)

https://comiza.lighting/mcp

Vendor documentation

What you can do with it

Receive OAuth redirects for authentication flows
Capture payment callbacks from payment gateways
Handle CI/CD notification webhooks
Test webhook integrations with public URLs

Tools advertised by the last live check:

create_inbox
list_inboxes
wait_for_request
get_requests
get_request
delete_inbox

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http hookjar-mcp https://comiza.lighting/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add hookjar-mcp --url https://comiza.lighting/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable hookjar-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "hookjar-mcp": {
      "url": "https://comiza.lighting/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "hookjar-mcp": {
      "type": "streamableHttp",
      "url": "https://comiza.lighting/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start hookjar-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "hookjar-mcp": {
      "type": "http",
      "url": "https://comiza.lighting/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http hookjar-mcp https://comiza.lighting/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "hookjar-mcp": {
      "url": "https://comiza.lighting/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "hookjar-mcp": {
      "serverUrl": "https://comiza.lighting/mcp"
    }
  }
}

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