Unfragile

The request names no product, so the best fit is Klymax402 Cron Parser, which parses, validates and explains cron expressions via its schedule_parse_cron action 11. NanoTools offers a pay-per-call cron parse action that explains an expression and returns the next run times in UTC 212. The other listed products are general platforms or parser generators that do not show a cron-parsing operation in their sources.

1
Klymax402 Cron Parserklymax402.comverified and signed
Parses, validates and explains a cron expression, returning a human-readable description, the next N execution times and a field breakdown, for standard 5-field and extended 6-field cron 11.
Website
for agents: schedule_parse_cron
2
NanoToolsstacknodehost.comverified and signed
Explains a cron expression and returns its next three run times in UTC through a pay-per-call cron parse action 12.
Website
for agents: cron parse · rss · scrape

Sources

2NanoTools - 44 pay-per-call APIs for AI agents (x402, USDC on Base)nano.stacknodehost.com · read 2026-10-29
11Cron Parser API: declares "schedule_parse_cron" (the record we read and signed)unfragile.ai · read 2026-10-24
12NanoTools: declares "cron parse" (the record we read and signed)unfragile.ai · read 2026-10-24

For agents: the 10 actions behind this answer

schedule_parse_cron · Cron Parser API verified and signed
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-
cron parse · NanoTools verified and signed
Explain a cron expression: next 3 run times in UTC. ?expr=*/5 * * * *
custom_api_call · GitHub (Activepieces) verified and signed
Custom API Call — Make a custom API call to a specific endpoint
custom_api_call · Supabase (Activepieces) verified and signed
Custom API Call — Make a custom API call to a specific endpoint
worker-cron-trigger-get-cron-triggers · Cloudflare API verified and signed
Get Worker Script Schedules (Cron Triggers)
custom_api_call · Resend (Activepieces) verified and signed
Custom API Call — Make a custom API call to a specific endpoint
parsing · ANTLR 3 Runtime verified and signed
datetime · pendulum verified and signed
parser · ruamel.yaml.clib verified and signed
· pest. The Elegant Parser website read, tools not yet checked
The Elegant Parser

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