15 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Cron expression explained in plain English with the next run times in any time zone - validates a 5-field cron and handles DST
Use when you need what a web page says: read a public web page as clean text for an AI agent: title, description, main text (scripts, styles and navigation removed) and links. Respects robots.txt.
UUID inspector — parses any UUID (canonical, braces, URN or 32-hex form) and returns its version, variant, embedded timestamp for v1/v6/v7, nil/max flags, hex and URN forms. Use to validate identifiers or recover the cre...
Validate an A2A (Agent2Agent protocol) Agent Card: required fields, skill shape, transport names, capability flags - spec v0.3 structural core. Returns errors, interop warnings, and a normalized summary (skills, interfac...
Inspect one public MCP HTTP endpoint, auto-detect the stateless 2026-07-28 era or fall back to the legacy initialize lifecycle, then normalize tools/list schemas into a deterministic SHA-256 contract fingerprint. Forest...
Validate a isbn 10: tests the value against a well-known isbn 10 pattern and returns valid true/false, the pattern used (so you can reuse it), and, when it fails, the first character position that breaks the rule. Format...
Validate a JSON document against a JSON Schema (draft-07 subset) and get the list of violations. Supports type, required, properties, items, enum, const, min/max, length, pattern, format, anyOf/allOf/oneOf/not, additiona...
Check a UUID: send a string and get whether it is a valid UUID plus its version and variant. $0.001 USDC per call on Base.
Validate an ISBN-10 or ISBN-13 checksum (hyphens/spaces ignored) and report which format it is.
Validate a payment card number (Luhn checksum) and detect the brand. Numbers are not stored or logged.
Validate an email address: syntax check plus live MX record lookup on the domain (deliverability signal, not a guarantee).
Validate, pretty-print (any indentation, 0-8 spaces), or minify JSON, optionally with object keys sorted. canonical: true returns the RFC 8785 (JCS) canonical form - keys sorted, no whitespace, ECMAScript number and stri...
Cheap structural IBAN validation: ISO 13616 checksum + per-country structure/length. Returns valid plus, on rejection, a granular error_type (invalid_checksum, invalid_length, invalid_structure, invalid_country), the cou...
Convert one bounded fiat amount using the latest successfully fetched European Central Bank daily foreign-exchange reference table. Forest returns the ECB observation date and deterministic cross-rates through EUR. Fresh...
Postal / ZIP code format check: the expected pattern and an example for 30 countries, and whether a given code matches it. Address validation without an address API. $0.01 per check.