Cron Collision Detector
A lightweight tool for catching scheduling conflicts in your cron expressions before they cause problems in production. It runs on Cloudflare Workers and exposes operations over MCP to analyze multiple cron schedules and identify overlaps or collisions. Reach for this when you're managing several scheduled jobs and need to verify they won't step on each other, especially in systems where concurrent execution could cause race conditions or resource contention. The server is accessible via streamable HTTP transport at api.lazy-mac.com, so you can integrate it without hosting infrastructure.
- tools
- 2
- transport
- HTTP
- last updated
- May 16, 2026
Install
From registry metadata$ npx add-mcp https://api.lazy-mac.com/cron-collision-detector/mcp --name cron-collision-detectorRun 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-collision-detector https://api.lazy-mac.com/cron-collision-detector/mcpRun in your terminal. Add --scope user to make it available in every project.
Tools
Verified live · 2 toolsVerified live against the running server on Nov 6, 2026.
analyze_cron_collisionsDetect collision and spike windows across multiple cron schedules over a time horizon.4 params
Detect collision and spike windows across multiple cron schedules over a time horizon.
bucket_secondsnumbercollision_thresholdnumberhorizon_minutesnumberjobs*arraynext_firingsReturn next N firing timestamps for a single cron expression.2 params
Return next N firing timestamps for a single cron expression.
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cron-collision-detector-api
Cloudflare Workers MCP server: cron-collision-detector. REST + MCP (JSON-RPC 2.0). Live: api.lazy-mac.com/cron-collision-detector
Details
- Repository
- github.com/lazymac2x/cron-collision-detector-api
- Categories
- Cloud & Infrastructure, Automation & Workflows
- Transport
- HTTP
- Registry
- MCP registry, active
- Tools verified
- Nov 6, 2026
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