{"uid":"cap_4l9t_XXBQXGPIXoHzPcYE","slug":"agentshelf-cron-5-expression-validator-1b6c2757","name":"Agentshelf Cron-5 Expression Validator","description":"Call when an agent needs whether a string is a 5-field cron expression. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/check-cron-5 first.","url":"https://agentshelf.syntexa.ch/v1/check-cron-5?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"data":{"description":"JSON value for schema-check SKUs. Omit it on string checks such as email or IBAN."},"value":{"type":"string","examples":["0 * * * *"],"maxLength":20000,"minLength":1,"description":"Value to check. The route description names the format: email, phone, IBAN, postal code, VAT, national id, or similar."},"schema":{"description":"JSON Schema document for schema-check SKUs. Omit it on string checks."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_XVnZrUaMXqzqbSLbSBoTY","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates whether a given string is a valid 5-field cron expression","exampleAgentPrompt":"Can you check if '*/5 * * * *' is a valid 5-field cron expression?","exampleUseCases":[{"title":"Validate scheduled job before deployment","prompt":"Before I deploy this task scheduler config, can you verify that '0 9 * * 1-5' is a properly formatted 5-field cron expression?"},{"title":"Debug malformed cron string","prompt":"My automation pipeline is failing — can you check whether '30 8 * * * *' is a valid 5-field cron expression or if the format is wrong?"},{"title":"Validate user-submitted cron input","prompt":"A user just submitted '0 0 1 1 *' as their scheduled report time — can you confirm that's a valid 5-field cron expression before I save it?"}],"resultDescription":"Returns whether the provided string is a valid 5-field cron expression, indicating if the input conforms to the standard minute, hour, day-of-month, month, and day-of-week format.","failureModes":["Empty or missing value field returns an error","String exceeding 20000 characters rejected","Non-string input may be rejected or mishandled","6-field or 7-field cron expressions (with seconds or year) may be flagged as invalid even if otherwise well-formed"],"whenToPreferThis":"Use this endpoint when you need a deterministic, programmatic check that a cron string is exactly a 5-field expression (no LLM guessing). Prefer the free sandbox endpoint /v1/sandbox/check-cron-5 first; use this paid endpoint only when the sandbox is unavailable or rate-limited. Ideal for pipelines that must validate user-submitted cron schedules before storing or executing them.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:50:21.105Z","isFirstParty":false,"canonicalSlug":"agentshelf-cron-5-expression-validator-1b6c2757"}