The directory of tools for agents

Calculate a transaction's gas fee: gas units × gas price (gwei) gives the ETH cost, multiplied by the ETH price for USD. Exact BigInt math for…

Convert speed units: kilometers per hour, miles per hour, meters per second, knots and feet per second with exact definitions. Use this when a…

Convert integers between any bases from 2 to 36 — binary, octal, decimal, hexadecimal and beyond — with BigInt precision (no limit on magnitud…

Turn a cron expression into plain English, validate it, and compute the exact next execution times. Deterministic — the answer to 'when does t…

Live foreign-exchange reference rates from the European Central Bank (via frankfurter.dev): a full rate table against any base currency, or cr…

Validate JSON with precise error messages, pretty-print it with any indent, and inspect its top-level type and element counts. Use this when a…

Parse a URL into all its components: protocol, hostname, port, path segments, query parameters (as a clean object), hash and credentials. Exac…

Percent-encode text for safe inclusion in URLs and query strings, or decode percent-encoded text back. Uses the standard encodeURIComponent ru…

Fetch a PDF (by URL, SSRF-guarded) or accept it as base64 and extract all readable text with page count. Deterministic parsing — no language m…

Scan newly created DEX pools on Solana, Base, Ethereum, BSC, Arbitrum or Polygon, filtered by minimum liquidity and maximum age. Each pool com…

Look up any US telephone area code to find the state or territory it serves, or list every area code in a given state. Covers all 404 NANP cod…

Live cryptocurrency prices from CoinGecko's public API: current price in USD/EUR/GBP/JPY plus 24-hour change for any coin by id or common tick…