X Studio account run: turns a public X account into a reusable writing-style skill (style), or audits its engagement (audit). $0.99 this call, in USDC on Base; you pay only if it succeeds. HivemindOS SuperAgent API.

Visual and QA comparison against a completed baseline job

Free books first published in the 1820s: public-domain works dated 1820-1829 in the catalogue (Internet Archive scans and dated Gutenberg editions), most downloaded first, with download links. Period reading and historical research. $0.01 per page of 20.

Convert acres to hectares: send a number, get the converted value with the exact factor (or formula for temperature), the unit category and a rounded human-readable form. Deterministic, no network call. $0.01 per conversion.

Everything free by Dante Alighieri: the 65 catalogued public-domain books, audiobooks and texts credited to Dante Alighieri across Project Gutenberg, LibriVox and Internet Archive, most popular first, each with direct download links. Add words to narrow by title. Re-verified daily. $0.01 per page of 20.

Current weather in Bristol right now: temperature, feels-like, humidity, wind speed and direction, precipitation, cloud cover and conditions from Open-Meteo, plus today's sunrise and sunset. No API key. $0.01 per call.

npm package puppeteer: latest version, description, license, homepage and repository, weekly downloads, dependency count, publish dates and dist-tags from the npm registry. Pin, audit or compare puppeteer in one call, no token. $0.01 per call.

camel case: deterministic text transformation with no network call and nothing stored. Send the text, get the result plus input/output lengths. One operation per endpoint so agents can compose them safely. $0.01 per call.

Convert litres per 100 km to miles per US gallon: send a number, get the converted value with the exact factor (or formula for temperature), the unit category and a rounded human-readable form. Deterministic, no network call. $0.01 per conversion.

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 validation without writing regexes. $0.01 per call.

The rel="pingback" links of a page: every matching <link>/<a> with href, resolved to absolute URLs, with a count. Link-relationship discovery. $0.01 per page.

Does a website use Laravel Livewire? Fetches the page (homepage for a bare domain) and matches Laravel Livewire's fingerprints in the HTML and response headers, returning yes/no with the evidence snippet and the category (framework). Technographics for sales, competitor research and migration planning, one technology per call. $0.01 per check.

Change watch for does site use owl carousel: runs the check, compares it with the result from your previous call for the same domain (kept 90 days) and returns the current answer, changed true/false, the fields that changed with before/after values, and when it was last seen. Schedule it to be alerted when this changes. $0.02 per check.

Local time and time zone for Tel Aviv right now: IANA zone name, UTC offset, whether daylight saving is in effect and when it next changes, and the current local date-time. Meeting scheduling across zones without an API key. $0.01 per call.

Compute market snapshot — live spot prices: cheapest rentable ask per class in USD/hour. $0.25 per query via x402 USDC on Base or Arbitrum One. Upstream sources are internal and never named. Asks are ephemeral — re-observe before any decision.

Open or close a position for a paper-trading agent. Simulated only, no real funds. Body to open: {agentId, action:"open", coin, side, size_usd, leverage}. Body to close: {agentId, action:"close", position_id}.

Extract clean readable content (title + markdown/text) from any public web page. $0.01 USDC per call on Base.

Email validation: syntax check plus MX lookup for the domain. Input: e.

Resilient fetch with automatic fallback. Tries the fast native scraper first, then re-fetches through headless Chromium for client-rendered pages and sites that refuse bare HTTP clients. The response reports which tier served it.

Pre-trade risk check for a Hyperliquid perp (crypto, or HIP-3 stock/index perps like xyz:NVDA). Returns liquidation price and distance in daily volatility, slippage vs the live book, funding cost, liquidity and risk flags. Neutral calculation, not advice. Inputs: coin, side (long|short), size_usd, leverage.