Cron Parser

Cloudflare Workers MCP server: cron-parser

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

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Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Choose your client or environment

Target File:~/Library/Application Support/Claude/claude_desktop_config.json

claude_desktop_config.json

{
  "mcpServers": {
    "cron-parser": {
      "command": "npx",
      "args": [
        "-y",
        "@lazymac/mcp"
      ]
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Documentation Overview

cron-parser-api

⭐ Building in public from $0 MRR. Star if you want to follow the journey — lazymac-mcp (42 tools, one MCP install) · lazymac-k-mcp (Korean wedge) · lazymac-sdk (TS client) · api.lazy-mac.com · Pro $29/mo.

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Cron expression parser API — explain, validate, generate, and compute next run times. Supports standard 5-field cron + presets (@daily, @weekly).

Quick Start

Terminal

npm install && npm start  # http://localhost:4400

Endpoints

bash

# Explain a cron expression in plain English
curl http://localhost:4400/api/v1/explain/*/5%20*%20*%20*%20*
# → "at minutes 0, 5, 10, ..., of every hour"

# Validate
curl http://localhost:4400/api/v1/validate/0%209%20*%20*%201-5

# Next 5 run times
curl "http://localhost:4400/api/v1/next/0%209%20*%20*%20*?count=5"

# Generate cron from description
curl -X POST http://localhost:4400/api/v1/generate \
  -H "Content-Type: application/json" \
  -d '{"every":"day","at":{"hour":9,"minute":0}}'

# Common cron expressions
curl http://localhost:4400/api/v1/common

License

MIT

_{💡 Host your own stack? Get $200 DigitalOcean credit via lazymac referral link.}

Read the full README →View source on GitHub →

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Frequently Asked Questions about Cron Parser

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "cron-parser": { "command": "npx", "args": ["-y", "cron-parser"] } }

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Technical Specs & Signals

CategoryCloud Platforms

33Quality signal: Emerging · 33/100How this signal is calculated ▾

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Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

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Documentation & tools14/30

Adoption & activity1/15

Community engagement0/10

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