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CronSpell

Official registry Maps, travel and weather

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

Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http cronspell 'https://cronspell.mike-tusa.workers.dev/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "cronspell": {
            "type": "http",
            "url": "https://cronspell.mike-tusa.workers.dev/mcp"
        }
    }
}

Frequently asked questions

What is CronSpell?

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

How do I install CronSpell?

It runs as a remote server. In Claude Code: claude mcp add --transport http cronspell 'https://cronspell.mike-tusa.workers.dev/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does CronSpell need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Who maintains CronSpell?

It is published by dev.workers.mike-tusa.cronspell. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.