Cron Expression Parser — Explain & Next Run Times
APIFreeCron expression parser API for AI agents. Parse, validate, and explain cron expressions in plain English. Get next N scheduled run times in any timezone. Tools: schedule_parse_cron. Use this for debugging cron schedules, building scheduling UIs, or validating cron syntax. IMPORTANT: For generating
- Best for
- cron expression parsing and validation, next scheduled run times calculation, plain english explanation of cron expressions
- Type
- API · Free
- Score
- 32/100
- Best alternative
- AWS MCP Servers
Capabilities3 decomposed
cron expression parsing and validation
Medium confidenceThis capability utilizes a robust parsing algorithm to interpret cron expressions, ensuring they conform to standard syntax. It employs a validation mechanism that checks for common errors and provides feedback, making it easier for users to debug their cron schedules. The parser is designed to handle various edge cases in cron syntax, ensuring accurate validation and parsing.
Utilizes a comprehensive parsing algorithm that checks for syntax errors and provides detailed explanations, unlike simpler regex-based parsers.
More thorough in validation and explanation than basic cron parsers, providing detailed feedback on errors.
next scheduled run times calculation
Medium confidenceThis capability computes the next N scheduled run times for a given cron expression based on the current time and specified timezone. It employs a time zone-aware algorithm that adjusts the calculated times according to the provided timezone, ensuring accurate scheduling across different regions. The output is structured to easily integrate with other scheduling systems.
Incorporates timezone awareness into the calculation of next run times, ensuring accuracy across different locales.
More accurate than alternatives that do not account for timezones, providing precise next run times.
plain english explanation of cron expressions
Medium confidenceThis capability translates complex cron expressions into plain English descriptions, making it accessible for users unfamiliar with cron syntax. It uses a mapping of cron fields to human-readable terms, allowing users to understand the scheduling logic without needing to interpret the technical details themselves.
Provides a structured approach to translating cron syntax into plain language, making it user-friendly and educational.
More intuitive than basic documentation or static explanations, offering immediate context for cron expressions.
Capabilities are decomposed by AI analysis. Each maps to specific user intents and improves with match feedback.
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Best For
- ✓developers building scheduling tools or debugging cron jobs
- ✓developers needing to implement scheduling features in applications
- ✓non-technical users or developers needing to explain cron jobs to others
Known Limitations
- ⚠Limited to standard cron syntax; does not support non-standard variations or extensions.
- ⚠Calculations are limited to the next N runs; does not provide historical run times.
- ⚠Explanations may not cover all edge cases or complex cron expressions.
Requirements
Input / Output
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Repository Details
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Cron expression parser API for AI agents. Parse, validate, and explain cron expressions in plain English. Get next N scheduled run times in any timezone. Tools: schedule_parse_cron. Use this for debugging cron schedules, building scheduling UIs, or validating cron syntax. IMPORTANT: For generating cron from natural language, use utility_generate_crontab instead. Returns: {valid, explanation, nextRuns[]}. No API key required — x402 micropayment $0.001/call on Base L2.
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