Webhook Signature Fixture Lab MCP Server

by mcpscores Your server? Claim it

answering

Webhook Signature Fixture Lab is answering right now. Last checked 3 min ago. It exposes 1 tools.

Generates deterministic webhook HMAC-SHA256 fixtures and optionally verifies a supplied signature...

Uptime history 13 days of history

13 days agonow

100.0%

Uptime 24h

92 of 92 checks

Tools

read from the server

90 ms

Response time

average over 24h

open, no key

Access

streamable-http

Nothing serious here today

Today is the operative word: we check Webhook Signature Fixture Lab 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 3 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add webhook-signature-fixture-lab --transport http https://mcp-factory.bowling-anthony.workers.dev/webhook-signature-fixture-lab/mcp

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

{
  "mcpServers": {
    "webhook-signature-fixture-lab": {
      "url": "https://mcp-factory.bowling-anthony.workers.dev/webhook-signature-fixture-lab/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.webhook-signature-fixture-lab]
url = "https://mcp-factory.bowling-anthony.workers.dev/webhook-signature-fixture-lab/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "webhook-signature-fixture-lab": {
      "url": "https://mcp-factory.bowling-anthony.workers.dev/webhook-signature-fixture-lab/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "webhook-signature-fixture-lab": {
      "url": "https://mcp-factory.bowling-anthony.workers.dev/webhook-signature-fixture-lab/mcp"
    }
  }
}

Available tools 1

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

webhook

webhook_signature_fixture_lab

Generates deterministic webhook HMAC-SHA256 fixtures and optionally verifies a supplied signature using a customer-owned TEST secret and payload. It is offline and never delivers HTTP requests or validates a live endpoint. Price: 0.03 USDC per completed bounded job on Base.

Endpoints

URL	Transport	State	Latency	Checked
https://mcp-factory.bowling-anthony.workers.dev/webhook-signature-fixture-lab/mcp	streamable-http	answering	101 ms	3 min ago

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Webhook Signature Fixture Lab — questions

Answers built from our own checks of this server.

What can Webhook Signature Fixture Lab do?

It exposes 1 tools, read directly from the server on our last check. Among them: webhook_signature_fixture_lab. 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 Webhook Signature Fixture Lab working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 90 ms. The bar chart above shows every period we have measured.

How do I connect Webhook Signature Fixture Lab?

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 Webhook Signature Fixture Lab need an API key?

No. Webhook Signature Fixture Lab completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 1 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Webhook Signature Fixture Lab?

It answers our handshake in 90 ms on average, which is faster than 84% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.