CronSpell MCP Server: Install & Setup

Install CronSpell in Claude Code

Claude Code

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

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

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

Frequently asked questions

What does the CronSpell MCP server do?

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

Is the CronSpell MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does CronSpell run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add CronSpell to Claude Code?

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

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