{"uid":"cap_QQdkpLOc-aASeQIerorX8","slug":"cron-agentutil-net-21bf94cb","name":"cron.agentutil.net – Cron Expression Explainer","description":"Convert a cron expression to a human-readable description","url":"https://cron.agentutil.net/v1/explain","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"expression":{"type":"string","description":"Standard 5-field cron expression (minute hour dom month dow) or special string (@daily, @hourly, etc.)"}}},"responseSchema":{"type":"object","required":["fields","service","expression","request_id","description","related_services"],"properties":{"fields":{"type":"object","required":["hour","month","minute","day_of_week","day_of_month"],"properties":{"hour":{"type":"string"},"month":{"type":"string"},"minute":{"type":"string"},"day_of_week":{"type":"string"},"day_of_month":{"type":"string"}}},"service":{"type":"string"},"expression":{"type":"string"},"request_id":{"type":"string"},"description":{"type":"string"},"related_services":{"type":"array","items":{"type":"object","required":["url","name","description"],"properties":{"url":{"type":"string"},"name":{"type":"string"},"description":{"type":"string"}}}}}},"example":{"request":{"expression":"0 9 * * 1-5"},"response":{"fields":{"hour":"9","month":"*","minute":"0","day_of_week":"1-5","day_of_month":"*"},"service":"https://cron.agentutil.net","expression":"0 9 * * 1-5","request_id":"95ec3ff5-75eb-48e5-b5d9-93e0d3eb0b70","description":"At 9:00 AM, Monday through Friday","related_services":[{"url":"https://verify.agentutil.net","name":"verify","description":"Fact verification against live data sources -- exchange rates, crypto, stocks, entities, geography"},{"url":"https://docs.agentutil.net","name":"docs","description":"Search pre-indexed platform documentation -- semantic vector search across 10+ platforms"},{"url":"https://think.agentutil.net","name":"think","description":"Intent security -- pre-flight safety checklists, instruction expansion, and post-action review for autonomous agents"},{"url":"https://convert.agentutil.net","name":"convert","description":"Unit conversion (80+ units), live currency rates, and encoding (base64, hex, URL)"},{"url":"https://weather.agentutil.net","name":"weather","description":"Current conditions and multi-day forecasts for any location worldwide via Open-Meteo"},{"url":"https://validate.agentutil.net","name":"validate","description":"Validate emails (RFC 5322), URLs, phone numbers (E.164), credit cards (Luhn), and JSON schemas"},{"url":"https://time.agentutil.net","name":"time","description":"Timezone conversion, current time in any timezone, date arithmetic, and epoch conversions"},{"url":"https://hash.agentutil.net","name":"hash","description":"Hash with MD5/SHA-256/SHA-512, encode/decode base64/hex/URL, generate UUIDs, identify hash algorithms"},{"url":"https://text.agentutil.net","name":"text","description":"Regex match/replace/extract, text diff, slugify, word count, and markdown/HTML/JSON transforms"},{"url":"https://math.agentutil.net","name":"math","description":"Safe expression evaluation, statistics (mean/median/stddev/percentiles), percentages, and rounding"},{"url":"https://geocode.agentutil.net","name":"geocode","description":"Forward geocoding (address to lat/lon), reverse geocoding (lat/lon to address), and haversine distance"},{"url":"https://dns.agentutil.net","name":"dns","description":"DNS record lookups (A/MX/TXT/NS), reverse DNS, WHOIS/RDAP domain data, and IP geolocation"},{"url":"https://undo.agentutil.net","name":"undo","description":"Reversibility intelligence -- check if actions can be undone, find safer alternatives, batch safety warnings"},{"url":"https://norm.agentutil.net","name":"norm","description":"Baseline reality checks -- statistical anomaly detection for values against published industry benchmarks"},{"url":"https://context.agentutil.net","name":"context","description":"Situational awareness -- timezone, holiday, business calendar, and platform status checks before taking action"},{"url":"https://random.agentutil.net","name":"random","description":"Secure random generation -- passwords, UUIDs (v4/v7), API tokens, numbers with dice notation, and random picks/shuffles"},{"url":"https://color.agentutil.net","name":"color","description":"Color conversion and manipulation -- hex/RGB/HSL/CMYK/HWB conversion, palette generation, WCAG contrast checking, and color blending"},{"url":"https://useragent.agentutil.net","name":"useragent","description":"User agent parsing -- browser/OS/device detection, bot/crawler identification with 50+ patterns, and UA comparison"}]}},"exampleRequest":{"expression":"0 9 * * 1-5"},"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_VODaC4ftfzhZReBDVIllk","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts a cron expression (5-field or special string) into a plain-English human-readable description with field-by-field breakdown","exampleAgentPrompt":"Can you explain what this cron expression means in plain English: '0 9 * * 1-5'?","exampleUseCases":null,"resultDescription":"Returns a plain-English description (e.g. 'At 9:00 AM, Monday through Friday'), the original expression echoed back, a breakdown of each individual field (minute, hour, day_of_month, month, day_of_week), a request ID, service URL, and a list of related agentutil services.","failureModes":["Invalid or malformed cron expression returns an error response","Empty expression field causes validation failure","6-field or non-standard cron syntax may not be supported","Network or upstream service unavailability","Payment failure via x402 protocol blocks the request"],"whenToPreferThis":"Use this endpoint when an AI agent or user needs to understand what a cron expression does in human terms — particularly useful for code review, documentation generation, debugging scheduled jobs, or explaining configuration to non-technical users. Prefer over manual parsing when the expression includes complex ranges, lists, or step values.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:35:35.091Z","isFirstParty":false}