Convert numbers to Roman numerals (1–3999) and Roman numerals back to numbers, with strict validation that rejects non-standard forms like IIIM or VX. Use this when an…
Listing info 80/100
Convert speed units: kilometers per hour, miles per hour, meters per second, knots and feet per second with exact definitions. Use this when an agent needs to km/h, mp…
Listing info 80/100
Validate JSON with precise error messages, pretty-print it with any indent, and inspect its top-level type and element counts. Use this when an agent needs to validate…
Listing info 80/100
Compute impermanent loss for a 50/50 constant-product AMM position at any relative price move, with a reference table of common moves. Deterministic closed-form — the …
Listing info 80/100
Live weather from Open-Meteo: current temperature, humidity, wind and conditions plus a 3-day forecast, by city name or coordinates. No API key, cached 30 minutes. Use…
Listing info 80/100
Repairs broken JSON: trailing commas, single quotes, unquoted keys, Python literals (True/False/None), NaN, comments, smart quotes and truncated documents. Built for t…
Listing info 80/100
Compute readability metrics for a block of text: Flesch Reading Ease score, Flesch-Kincaid grade level, and word/sentence/syllable statistics. Deterministic formulas —…
Listing info 80/100
Fetch a PDF (by URL, SSRF-guarded) or accept it as base64 and extract all readable text with page count. Deterministic parsing — no language model, so nothing is inven…
Listing info 80/100
Recent earthquakes from USGS: filter by region (city or coordinates + radius), minimum magnitude and look-back window. Returns count, the largest event and a magnitude…
Listing info 80/100
Percent-encode text for safe inclusion in URLs and query strings, or decode percent-encoded text back. Uses the standard encodeURIComponent rules. Use this when an age…
Listing info 80/100
Compare any two NFT collections on the full due-diligence metric set: supply, holders, holder ratio, top-10 concentration, wash-trading score and activity trend — with…
Listing info 80/100
Convert ISO 8601 durations (P1DT2H30M) to total seconds and back — including weeks — with a component breakdown. The unambiguous duration math agents should use for re…
Listing info 80/100
Indexed listings, not certifications. Prices and protocols are publisher declarations. How the index works