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Cron Monitor

lazymac2x/cron-monitor-api

A lightweight cron job monitoring solution built on Cloudflare Workers that exposes both REST and MCP interfaces. The server lets you track scheduled task execution, check job status, and manage cron monitors through JSON-RPC 2.0 calls. Reach for this when you need Claude to query or manage your cron job health checks without leaving the conversation. It's hosted at api.lazy-mac.com/cron-monitor and accessible via streamable HTTP transport, so there's nothing to self-host. The implementation keeps things simple: you get monitoring endpoints for your periodic tasks wrapped in an MCP interface that plays nicely with Claude's tool calling.

tools
6
transport
HTTP
last updated
May 16, 2026
View on GitHub

Install

From registry metadata
$ npx add-mcp https://api.lazy-mac.com/cron-monitor/mcp --name cron-monitor

Run in your terminal. add-mcp asks which agents to add it to (Claude Code, Codex, Cursor and more). Add -g to install it for every project.

Review the command, arguments and environment values before installing. MCP servers run with your local permissions.

Other ways

Claude Code

$ claude mcp add --transport http cron-monitor https://api.lazy-mac.com/cron-monitor/mcp

Run in your terminal. Add --scope user to make it available in every project.

Tools

Verified live · 6 tools

Verified live against the running server on Nov 6, 2026.

ping_monitorSend a heartbeat ping to a cron monitor to confirm the job ran successfully. Use ping_type='ping' for simple heartbeats, 'start'+'complete' for duration tracking, or 'fail' to immediately mark it down.2 params

Send a heartbeat ping to a cron monitor to confirm the job ran successfully. Use ping_type='ping' for simple heartbeats, 'start'+'complete' for duration tracking, or 'fail' to immediately mark it down.

Parameters* required
monitor_id*string
Monitor ID to ping
ping_typestring
Type of ping eventone of ping · start · complete · faildefault: ping
get_monitor_statusGet the current status (up/down/grace/new) of a specific cron monitor along with last ping time and total ping count.1 params

Get the current status (up/down/grace/new) of a specific cron monitor along with last ping time and total ping count.

Parameters* required
monitor_id*string
Monitor ID to check
get_dashboardGet an overview of all cron monitors — total count, counts per status (up/down/grace/new), and a summary list. Requires API key.1 params

Get an overview of all cron monitors — total count, counts per status (up/down/grace/new), and a summary list. Requires API key.

Parameters* required
api_key*string
API key (x-api-key header value)
create_monitorRegister a new cron job monitor. Returns the monitor ID to use in ping URLs. Requires API key.6 params

Register a new cron job monitor. Returns the monitor ID to use in ping URLs. Requires API key.

Parameters* required
api_key*string
API key (x-api-key header value)
expected_interval_seconds*integer
How often the job should run (seconds)
grace_period_secondsinteger
Extra seconds allowed after interval before going DOWNdefault: 0
name*string
Human-readable monitor name
notify_urlstring
Webhook URL for DOWN alerts (receives POST with JSON)
schedule_descriptionstring
Human-readable schedule (e.g. 'Every night at 3am UTC')
list_monitorsList all monitors with real-time computed status. Requires API key.1 params

List all monitors with real-time computed status. Requires API key.

Parameters* required
api_key*string
API key (x-api-key header value)
get_ping_historyRetrieve the last 100 ping events for a monitor (type, timestamp, IP, duration for complete events). Requires API key.2 params

Retrieve the last 100 ping events for a monitor (type, timestamp, IP, duration for complete events). Requires API key.

Parameters* required
api_key*string
API key (x-api-key header value)
monitor_id*string
Monitor ID

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Readme

cron-monitor-api

Cloudflare Workers MCP server: cron-monitor. REST + MCP (JSON-RPC 2.0). Live: api.lazy-mac.com/cron-monitor

Details

Repository
github.com/lazymac2x/cron-monitor-api
Categories
Cloud & Infrastructure, Automation & Workflows, Monitoring & Observability
Transport
HTTP
Registry
MCP registry, active
Tools verified
Nov 6, 2026

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