ClaudeChatGPTPerplexityGeminiMicrosoft CopilotRaycastMeta AIGrokZ.aiQwenKimi
DeepSeekMistralCursorVS CodeWindsurfJetBrainsClineLovableVercel AI SDKLangChain

Use Cron Validator with your AI.

Connect your account once and let the AI you already use work with it, without building another integration. Validate cron syntax and calculate exact future execution timestamps.

Included with plan

Ask AI about this Connector

Developed, maintained, and hosted by Vinkius.

MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED

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Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.

ChatGPTClaudeCursorPerplexityGeminiMicrosoft CopilotRaycastMeta AI

Complete set · 3 capabilities

The complete Cron Validator capability set.

These are the exact actions your AI can choose when you ask it to work with Cron Validator.

Capability set01 / 01

01-03

3 capabilities in this set.

Part of 3 available through Cron Validator.

  1. 01

    Get next runs

    Calculates the next N execution timestamps for a cron expression

  2. 02

    Validate cron

    Validates a cron expression for syntax and logical possibility

  3. 03

    Inspect expression

    Decomposes a cron expression into human-readable parts

Observed, not estimated

561ms average. Fast in production.

Cron Validator is checked daily against the live service.

Daily averagePeak 638ms
Aug 20Today
Fastest day
479ms
Slowest day
638ms
14-day trend
Slowing+19%

Connect your client

One URL. Every client.

Activate the Connector, copy your link, and paste it into the client you already use. 3 capabilities arrive ready to run.

Preview access · not provider authentication

The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of Cron Validator, so you can see the experience inside your AI.

It does not authenticate your account with Cron Validator. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.

Cron Validator Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_azeipbwG8DN5DThWMywDx4D6XKPmifpb2gea1Ujk/mcp

Claude Desktop

Follow the steps below to connect in seconds.

  1. 1In Claude Desktop, open Settings → Connectors.
  2. 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
  3. 3Click Add and start a new chat — Cron Validator capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "cron-expression-validator-next-run-calculator-alternative-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_azeipbwG8DN5DThWMywDx4D6XKPmifpb2gea1Ujk/mcp"
    }
  }
}
  • Claude
  • ChatGPT
  • Cursor
  • VS Code
  • Windsurf
  • Claude Code
  • JetBrains
  • Cline

Step-by-step instructions for each client are in the guide. How to connect

FAQ

Questions Cron Validator owners ask.

  • 01

    Does it support 6-field cron expressions?

    Yes, the server supports both standard 5-field and extended 6-field cron formats.

  • 02

    How can I see when my next task will run?

    You can use the get_next_runs capability by providing your cron expression and a starting timestamp.

  • 03

    Can it detect invalid dates in a cron string?

    Yes, validate_cron will flag logically impossible expressions like February 30th.