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Cron Parser API

Parse, validate and explain cron expressions. Get next run times. x402 micropayment.

Open source Repository Open in the app JSON README (API)

About

Parse, validate and explain cron expressions. Get next run times. x402 micropayment.

Details

Kind
MCP servers
Topic
Finance & crypto
Publisher
br0ski777
Origin
official
Category
ferramentas
Transport
sse
Version
1.1.0
Stars
1
Last push
2026-09-02T19:55:28Z
Repository state
ativo
Language
TypeScript
License
MIT
Added
2026-08-29 03:01:43
Updated
2026-08-29 03:01:43
Origin id
io.github.Br0ski777/cron-parser

README

# Cron Parser API

[![MCP Server](https://img.shields.io/badge/MCP-server-blue)](https://cron-parser.api.klymax402.com/mcp)
[![x402](https://img.shields.io/badge/payments-x402-6E56CF)](https://x402.org)
[![License: MIT](https://img.shields.io/badge/license-MIT-green)](LICENSE)

Parse, validate, and explain cron expressions. Get next N run times in any timezone. Pay-per-call via [x402](https://x402.org) (USDC on Base L2) -- no API key, no signup, no rate-limit wall.

Part of the [klymax402](https://klymax402.com) 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.):

```json
{
  "mcpServers": {
    "cron-parser": {
      "url": "https://cron-parser.api.klymax402.com/mcp"
    }
  }
}
```

## Quickstart -- HTTP (x402)

```bash
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`](https://www.npmjs.com/package/@x402/fetch), [`x402-agent-tools`](https://www.npmjs.com/package/x402-agent-tools), ATXP) handles the 402 -> sign -> retry cycle automatically.

## Tools

| Tool | Method | Path | Price | Description |
|---|---|---|---|---|
| `schedule_parse_cron` | POST | `/api/parse` | $0.003 | 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](https://x402.org) -- 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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