General Utilities x402 offerings

Find auspicious dates in Japan: list days in a range (up to 366 days) matching rokuyo (e.g. taian) and optional weekdays (e.g. sat,sun) - for scheduling weddings, moving, contract signing and ceremonies. 日本の大安など六曜に該当する日付を検索。

Add or subtract N Japanese business days from a date (e.g. settlement date T+2, delivery ETA). Skips weekends and national holidays; optional bank calendar. 日本の営業日加算・減算、期限の日付計算。

Kanji to furigana/romaji, multi-candidate Japanese name readings, text normalization and classification. Pay per call with USDC via x402 — no API key.

Kanji to furigana/romaji, multi-candidate Japanese name readings, text normalization and classification. Pay per call with USDC via x402 — no API key.

Structured evaluation with TypeSafe's Jev (System One) model. Send any state plus typed questions — noul (true/false), choice (pick one), or score (ordinal scale) — and get back calibrated probabilities and confidence for each. Built for routing, classification, triage and policy checks where a fast, predictable, machine-readable answer beats prose.

Problem: Select a supported execution plan against the supplied cost, depth, duration limits, and weights. Input: JSON with plans, weights, maximum cost usd, maximum depth, maximum duration seconds. …

Flatten nested JSON to dot-path keys, or unflatten dot-path keys back to nested JSON. mode: flatten (default) | unflatten.

Converts JSON payloads into clean YAML format for easy reuse.

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 string serialization - plus its SHA-256, for hashing and signing. Numbers are read as IEEE-754 doubles and a duplicate key keeps its last value. Returns parse errors with position when invalid.

Validate, pretty-print (0-8 spaces), or minify JSON — json formatter/validator.

Validate, pretty-print (0-8 spaces), or minify JSON — json formatter/validator.

Ask typed questions about up to 4 images (PNG or JPEG) and get answers your code can branch on: noul (yes/no probability), choice, score, and box (where something is, as edges from 0 to 1). Name each image, then refer to it as `name` in a question. Preview: built on Jev features its maker labels experimental. Answers come from a model, not deterministic code.

Japanese national holidays for a given year (1955-2027), from the official Cabinet Office dataset.

Japanese business-day calculator: check if a date is a business day, add N business days to a date, or count business days in a range. Accounts for weekends and Japanese national holidays; optional Saturday and year-end/new-year rules.

Für Zahlungsziele, Fristen und Liefertermine. Die Antwort nennt das Ergebnisdatum, die Zahl der Kalendertage und jeden übersprungenen Tag mit Grund.

Scores how well a key fits a blank based on compatibility signals.

Returns a compatibility matrix mapping key blank models to compatible lock types and specifications.

Validate and parse phone numbers in international E.164 form: extract the country calling code and region, the national number, and the canonical +E.164 string. Single number or a batch of up to 50. …

Deterministically score a task brief for deliverables, acceptance criteria, deadlines, constraints, and usable scope before committing time. No AI calls; same brief always yields the same score.

BRAIN PROJECTION: a word as stimulus into a REAL 139255-neuron connectome (FlyWire distilled) -> spike-portrait + ledger seal — a word seen by a brain; nobody else sells this.

Converts kids' arguments into clear, constructive, age-appropriate phrasing to help adults understand and respond effectively.

AI exam scoring for agents: submit any text and get Accuracy, Compliance, and Engagement scores (0-100), a pass/fail verdict, and a summary. $0.05 USDC per exam. Use when you need independent verification of an agent's output quality before trusting or paying for it.

Raw vs cooked weight and cost per portion: what brisket yields after trim and cook loss, from head chef Cristopher's verified ranges. Send ingredient, weight bought, price paid, optional portions; get usable and cooked weight (best/mid/worst), cost per kg and per portion, with workings. Also whole salmon, pumpkin, onion, soft herbs (trim only); others 404 with suggestions. Refused, never guessed: allergen, curing and preserving terms. Only a 200 answer is charged; refusals and 404s are free.

Scale a recipe from 4 to 50 servings (serves), double or halve it, with head chef Cristopher's verified rules. Each line says why: straight maths, fixed ratio (garlic, onion, ginger, thickeners) or start low and taste up (salt in a soup), plus scaling-up tips: roasting, frying, stir-fry, braises, cakes, bread. Units: g, kg, ml, l, tsp, tbsp, lb, oz, cups. Refused, never guessed: allergen-free, curing, pickling, preserving and fermenting recipes. Only a 200 answer is charged; refusals are free.