dev.workers.mike-tusa.cronspell/cronspell

up checked 2026-11-11T02:37:54.884Z

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Publisher-provided title

CronSpell

Publisher-provided description

Validate and explain cron expressions; list next/previous run times in any time zone, DST-aware.

Summary by lookupd

Validates and explains cron expressions and lists upcoming or past run times in any IANA time zone, DST-aware.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http cronspell https://cronspell.mike-tusa.workers.dev/mcp

Codex, remote (streamable-http)

codex mcp add cronspell --url https://cronspell.mike-tusa.workers.dev/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "cronspell": {
      "url": "https://cronspell.mike-tusa.workers.dev/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (4 tools)

Publisher-provided text

• validate_cron Check whether a cron expression is valid. Returns valid true with the expanded values of every field (minute, hour, day of month, month, day of week, and second
• explain_cron Explain a cron expression in plain English, e.g. "0 9 * * 1-5" → "At 09:00, on Monday through Friday." Also returns notes on cron rules that often surprise peop
• next_cron_runs List the next (or, with direction "previous", the most recent past) run times of a cron expression in an IANA time zone, DST-aware. Each run has the local time
• cron_runs_between List every run of a cron expression between start and end (both inclusive) in an IANA time zone, DST-aware, oldest first. Default limit 20, max 100; truncated i

Details

• Version: 0.1.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 253 ms
• First indexed: 2026-11-01T09:01:59.429Z
• Last seen in registry: 2026-11-01T09:01:59.429Z
• Website: https://cronspell.mike-tusa.workers.dev/

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• 62141 servers
• Last crawl: 2026-11-11T18:39:04.612Z
• API base: https://api.lookupd.com
• MCP URL: https://api.lookupd.com/mcp