Hookjar MCP Server

by comiza Your server? Claim it

answering

Hookjar is answering right now. Last checked 11 min ago. It exposes 6 tools.

Public webhook inboxes for agents. Receive OAuth redirects, payment callbacks and CI notifications.

Uptime history 40 days of history · worst day 99%

40 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

279 ms

Response time

average over 24h

open, no key

Access

streamable-http

Nothing serious here today

Today is the operative word: we check Hookjar every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 11 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

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

~/Library/Application Support/Claude/claude_desktop_config.json

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

~/.codex/config.toml

[mcp_servers.hookjar]
url = "https://comiza.lighting/mcp"

.cursor/mcp.json

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

.vscode/mcp.json

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

Available tools 6

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

inbox

create_inbox

Create a public URL that captures any HTTP request sent to it. Use it when you need something outside this session to reach you: an OAuth redirect, a payment provider callback, a CI notification, a webhook you are testing. Returns the URL to hand to the other service. Requests are readable with get_requests or wait_for_request.

delete_inbox

Delete an inbox and everything captured in it.

inboxes

list_inboxes

List the inboxes you currently own, with their URLs and expiry.

request

get_request

Return the full method, headers, query string and body of a single captured request. Text bodies come back as text, binary as base64.

requests

get_requests

List what has arrived in an inbox, newest last. Returns summaries without bodies. Use get_request for the full contents of one.

wait

wait_for_request

Block until a request lands in the inbox, then return it. This is the tool to use straight after you have triggered the action that should produce the callback. Returns immediately if something already arrived after the sequence number you pass.

Endpoints

URL	Transport	State	Latency	Checked
https://comiza.lighting/mcp	streamable-http	answering	505 ms	11 min ago

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Hookjar — questions

Answers built from our own checks of this server.

What can Hookjar do?

It exposes 6 tools, read directly from the server on our last check. Among them: create_inbox, delete_inbox, get_request, get_requests, list_inboxes, wait_for_request. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Hookjar working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 279 ms. The bar chart above shows every period we have measured.

How do I connect Hookjar?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Hookjar need an API key?

No. Hookjar completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 6 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Hookjar?

It answers our handshake in 279 ms on average, which is faster than 53% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.