Cron Parser X402
About
Parse, validate, and explain cron expressions. Get next N run times in any timezone. -- x402 micropayment API + MCP server for AI agents
Details
- Author
- Br0ski777
- GitHub stars
- 1
- Downloads
- 433
- Categories
- Other
Jump to
- Parse both 5‑field and extended 6‑field cron expressions
- Return next N execution times (default 5, max 20)
- Accept any IANA timezone (defaults to UTC)
- Human‑readable description and field breakdown
- Pay‑per‑call via x402 (USDC on Base L2); no signup or API key
Setting up with Highlight
This MCP is not yet compatible with Highlight’s one-click setup. However, you can still use it with Highlight by following these steps:
- Download and install Highlight from highlightai.com/download
- Navigate to the plugins tab and select "Add Custom Plugin"
-
Configure the plugin with the settings below
Plugin Name
Cron Parser X402Command (node, npx, python, etc.)Please refer to the README for specific instructions on how to obtain API keys or other required environment variables.
- Enable "Start Automatically" if you want the plugin to start when Highlight launches
From the repository
Add the server URL https://cron-parser.api.klymax402.com/mcp to your MCP client config (Claude Desktop, Cursor, ElizaOS, etc.). Alternatively, send an HTTP POST to https://cron-parser.api.klymax402.com/api/parse with an x402‑aware client that handles the 402 payment challenge automatically.
Claude Desktop / Cursor
Paste into your MCP client config file to install this server.
{
"mcpServers": {
"cron parser x402": {
"cron-parser": {
"url": "https://cron-parser-production-128b.up.railway.app/mcp",
"transport": "sse"
}
}
}
}McpServers
{
"cron-parser": {
"url": "https://cron-parser-production-128b.up.railway.app/mcp",
"transport": "sse"
}
}Cron Parser API
Parse, validate, and explain cron expressions. Get next N run times in any timezone. Pay-per-call via x402 (USDC on Base L2) -- no API key, no signup, no rate-limit wall.
Part of the klymax402 marketplace -- 100 x402 micropayment APIs for AI agents, one wallet, USDC on Base.
Quickstart -- MCP
Add to your MCP client config (Claude Desktop, Cursor, ElizaOS, etc.):
{
"mcpServers": {
"cron-parser": {
"url": "https://cron-parser.api.klymax402.com/mcp"
}
}
}
Quickstart -- HTTP (x402)
curl -X POST "https://cron-parser.api.klymax402.com/api/parse" \
-H "Content-Type: application/json" \
-d '{"expression":"..."}'
-> 402 Payment Required, with an x402 payment challenge in the response body
Any x402-aware client (@x402/fetch, x402-agent-tools, ATXP) handles the 402 -> sign -> retry cycle automatically.
Tools
| Tool | Method | Path | Price | Description |
|---|---|---|---|---|
| schedule_parse_cron | POST | /api/parse | $0.001 | Parse a cron expression and get next run times |
schedule_parse_cron
Use this when you need to parse, validate, or explain a cron expression. Returns human-readable description, next N execution times, and field breakdown. Supports standard 5-field cron and extended 6-field (with seconds). Do NOT use for scheduling tasks — use api_test_webhook instead. Do NOT use for JSON validation — use data_validate_json instead.
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
| expression | string | yes | Cron expression (e.g. '0 9 1-5' or '/5 *') |
| timezone | string | no | IANA timezone (default: UTC, e.g. America/New_York) |
| count | number | no | Number of next run times to return (default: 5, max: 20) |
Example agent prompts
- "Parse, validate, or explain a cron expression"
Payment
- Protocol: x402 -- HTTP-native pay-per-call, no signup, no API key
- Network: Base L2 (eip155:8453)
- Asset: USDC
- Facilitator: Coinbase CDP (primary), PayAI (fallback)
Part of klymax402
100 x402 micropayment APIs for AI agents -- one wallet, USDC on Base, zero signup.
- Catalog: https://klymax402.com/llms.txt
- Full API reference: https://klymax402.com/llms-full.txt
- Live stats: https://klymax402.com/stats
License
MIT
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