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Cronitor MCP by usefulapi MCP Server

answering

Cronitor MCP by usefulapi is answering right now. Last checked 11 min ago. It exposes 6 tools. Last commit 2 Nov 2026.

Manage Cronitor monitors and send telemetry pings — list, inspect, create, update, delete.

Uptime history 91 days of history · worst day 13%
91 days agonow
100.0%
Uptime 24h
91 of 91 checks
6
Tools
read from the server
162 ms
Response time
average over 24h
1
Stars
last commit 2 Nov 2026

What changed 47

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 30 September 2026. No other catalogue keeps this.

2 Nov a tool changed version
31 Oct a tool changed version4 times that day
30 Oct a tool changed version2 times that day
29 Oct a tool changed version2 times that day
28 Oct a tool changed version2 times that day
25 Oct a tool changed version4 times that day
24 Oct a tool changed version3 times that day
23 Oct a tool changed version
22 Oct a tool changed version
20 Oct a tool changed version3 times that day
and 37 more, back to 30 September 2026

What the code does

We read the source, 22 h ago · tools taken from the live server · rules 995398eba69f

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Builds a database query by concatenation build.mjs:244
    (k === "upstream" ? `You can revoke the access in ${n} at any time.` : `To stop all access, remove the connector and change or delete these credentials in ${n}.`) });
  faq.push({ q: `Can the AI change my ${n} data?`, a: writes
Page executes code built at runtime portal/index.html:239
        results.innerHTML = order.map(function (g) {

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Three servers free · no card

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.

run in your terminal
claude mcp add cronitor --transport http https://cronitor.usefulapi.io/mcp
Settings → Connectors → Add custom connector, then paste this address
https://cronitor.usefulapi.io/mcp
~/.codex/config.toml
[mcp_servers.cronitor]
url = "https://cronitor.usefulapi.io/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "cronitor": {
      "url": "https://cronitor.usefulapi.io/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "cronitor": {
      "type": "http",
      "url": "https://cronitor.usefulapi.io/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.

cronitor
cronitor_create_monitor
Creates a monitor in Cronitor (additive). Cronitor API: POST /monitors. Sends only the fields you provide.
cronitor_delete_monitor
PERMANENTLY deletes a monitor from Cronitor. Destructive and irreversible. Cronitor API: DELETE /monitors/{key}.
cronitor_get_monitor
Get full detail for one monitor (latest_event, latest_invocations, passing status) — the 'is X healthy right now?' tool. Cronitor API: GET /monitors/{key}.
cronitor_list_monitors
List monitors and their current passing/failing status. Cronitor API: GET /monitors (paginated via page + pageSize).
cronitor_ping_monitor
Reports a telemetry event (run/complete/fail/ok/pause) for a monitor — records job/heartbeat activity and can clear or trigger alerts. Cronitor telemetry: GET {telemetryUrl}/p/{apiKey}/{monitorKey}?state=...
cronitor_update_monitor
Creates or updates a monitor by key (e.g. change schedule, pause via paused:true). Cronitor API: PUT /monitors with a single monitor object. Sends only the fields you provide.

Endpoints

URLTransportStateLatencyChecked
https://cronitor.usefulapi.io/mcp streamable-http answering 94 ms 11 min ago

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Cronitor MCP by usefulapi — questions

Answers built from our own checks of this server.

What can Cronitor MCP by usefulapi do?
It exposes 6 tools, read directly from the server on our last check. Among them: cronitor_create_monitor, cronitor_delete_monitor, cronitor_get_monitor, cronitor_list_monitors, cronitor_ping_monitor, cronitor_update_monitor. 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 Cronitor MCP by usefulapi 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 162 ms. The bar chart above shows every period we have measured.
How do I connect Cronitor MCP by usefulapi?
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 Cronitor MCP by usefulapi need an API key?
No. Cronitor MCP by usefulapi 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 Cronitor MCP by usefulapi?
It answers our handshake in 162 ms on average, which is faster than 80% 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.
Is Cronitor MCP by usefulapi open source?
The code is open source: it is published under the MIT licence, written in JavaScript, 1 stars on GitHub and 1 open issue. The licence covers the code in the repository, not the hosted service at cronitor.usefulapi.io, which runs on its operator's own terms.