Repository, build, lint, test and code-understanding services that an agent can call while working in a codebase.
Go module upgrade brief between two versions of a Go module (gin v1.8 to v1.10, cobra, aws-sdk-go-v2, a v1 to v3 import path move): go.mod diff (go directive, requirements), major /vN import path change with the rewrite...
GitHub Actions upgrade brief: what changes when a workflow moves an action from one version to another (actions/checkout v3 to v4, setup-node, upload-artifact, any owner/repo[/path]). Breaking changes from release notes,...
City/coords for postal code
Search GitHub repos, code, or users (?q=, ?type=repos|code|users)
Official UK company profile from Companies House by 8-character company number: name, status, type, SIC codes, registered office, and accounts / confirmation statement due dates.
Vehicle identification number decoder: full 17-character or partial VIN in, structured vehicle record out — make, model, model year, trim, series, engine, transmission, drive type, doors, and gross vehicle weight rating....
VIN decoder API: turn any 17-character vehicle identification number into structured specs — make, model, year, trim, body class, engine (cylinders, displacement, horsepower, fuel), transmission, drive type, doors, GVWR,...
Look up any VIN and get the vehicle behind it: year, make, model, trim, body class, engine and transmission specs, fuel type, and where it was built. Registration-grade decode returned as structured JSON with an explicit...
Gas mileage checker: authoritative city/highway/combined MPG for any US light-duty vehicle model year 1984 or newer, with fuel type, greenhouse-gas score, and estimated annual fuel spend. VIN input is decoded automatical...
Decode a vehicle identification number to full structured specs: make, model, year, trim, body style, engine details, transmission, drive type, and manufacturing plant as clean JSON. Accepts full 17-char VINs or partials...
Stats for a public GitHub repository: stars, forks, open issues, last push date, main language, license. Parameter: ?full_name=<owner>/<repo> (e.g. expressjs/express).
npm package downloads, current version, and license — latest version, license, and last week's download count for an npm package. Parameter: ?name=<package> (e.g. express, or @scope/name for a scoped package).
Multi-source bounty feed: Superteam Earn + LIVE GitHub + GitLab radar, trust >= 50 — one accepted bounty pays 4500x this call
Resolve a US location to ranked OFLC wage-area candidates, each with the area code, area name and state. Accepts a county with state, or a city or metro name. The cheap first step to find the area code for a prevailing-w...
Language identification for 180+ languages (every language with ≥1M speakers): ISO 639-3 code, ISO 639-1 code and English name, with ranked candidates and a confidence margin. Single text or batches up to 100.
One lighthearted developer roast aimed at a target YOU choose - javascript, python, css, git, regex, kubernetes, agile or legacy code - and at the severity you ask for. Every other roast endpoint returns something generi...
Conservatively repair common JSON syntax errors (unquoted keys, single-quoted strings, trailing commas) and parse the result; input is never evaluated as code.
Base64 encode or decode a string.
Verify a GitHub repo: does it exist, is it archived or disabled? Catches an agent recommending or depending on a repo that's been renamed, taken down, or abandoned. Checked against the GitHub REST API.
Is a date a public holiday in a country (2-letter ISO code)? Returns the holiday name, its types, and the next upcoming holiday that year.
Base64 in both directions, including the URL-safe alphabet, with UTF-8 handled properly. Encoding is what carries payloads through headers and JSON, and x402 itself rides on it.
Japanese postal-code lookup and reverse lookup. Keywords: Japanese postal lookup, Japan Post postal code, postal code reverse lookup, 日本郵便番号検索. Use a postal code or prefecture/city/ward/town components against th...
Base32 encoder/decoder, RFC 4648, Crockford, case-insensitive, DNS, TOTP secret, 2FA key encoding, human-readable base32. Encode binary or text to/from Base32. Accepts payment on Base or Solana — either network works.
base64 encode, base64 decode, Base64 encoder, Base64 decoder, encode base64, decode base64, base64 encode online, base64url, URL-safe Base64, RFC 4648 encode, encode text to base64, decode base64 string, JWT prep, data U...