Ledgerbell onchain alerts MCP Server

by workers-quietworklabs-ledgerbell Your server? Claim it

answering

Ledgerbell onchain alerts is answering right now. Last checked 3 min ago. It exposes 6 tools.

Webhook alerts for EVM wallets, contract admin changes, Safe queues and custom events.

Uptime history 8 days of history

8 days agonow

100.0%

Uptime 24h

92 of 92 checks

Tools

read from the server

234 ms

Response time

average over 24h

open, no key

Access

streamable-http

Nothing serious here today

Today is the operative word: we check Ledgerbell onchain alerts 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 ledgerbell --transport http https://ledgerbell.quietworklabs.workers.dev/mcp

Settings → Connectors → Add custom connector, then paste this address

https://ledgerbell.quietworklabs.workers.dev/mcp

~/.codex/config.toml

[mcp_servers.ledgerbell]
url = "https://ledgerbell.quietworklabs.workers.dev/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "ledgerbell": {
      "url": "https://ledgerbell.quietworklabs.workers.dev/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "ledgerbell": {
      "type": "http",
      "url": "https://ledgerbell.quietworklabs.workers.dev/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.

watch

add_watch

Start watching an address. kind=wallet|contract|event|safe_queue. For kind=event pass event as a signature like Transfer(address,address,uint256) or a topic0. Optional token (wallet kind: only this ERC-20) and label. Free.

delete_watch

Stop and delete a watch. Free.

api

create_api_key

Create a new free-plan API key. Save it: it is the only credential for your watches and cannot be recovered. Free.

buy

buy_pro_6d

Adds 6 days of Pro to the given key (or creates a new Pro key if none is given): 30 watches, 1,000 alerts/day, Safe queued-transaction alerts, proxy-upgrade reports. Call again to extend. Price: $1 USDC per call via x402 (Base).

test

test_watch

Send a test alert to a watch's webhook (5 per hour). Free.

watches

list_watches

Show plan (free/pro), limits, alerts today and all watches for a key. Free.

Endpoints

URL	Transport	State	Latency	Checked
https://ledgerbell.quietworklabs.workers.dev/mcp	streamable-http	answering	148 ms	3 min ago

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Ledgerbell onchain alerts — questions

Answers built from our own checks of this server.

What can Ledgerbell onchain alerts do?

It exposes 6 tools, read directly from the server on our last check. Among them: add_watch, buy_pro_6d, create_api_key, delete_watch, list_watches, test_watch. 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 Ledgerbell onchain alerts 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 234 ms. The bar chart above shows every period we have measured.

How do I connect Ledgerbell onchain alerts?

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

Does Ledgerbell onchain alerts need an API key?

No. Ledgerbell onchain alerts 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 Ledgerbell onchain alerts?

It answers our handshake in 234 ms on average, which is faster than 71% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.