Fetch a repository's README, decoded to UTF-8 text (name, path, size, content, URL). Optionally pin to a branch/tag/sha via ref. Useful for summarizing or indexing a project. Read-only; no caller key needed.

Full-text search across all of Hacker News (via the Algolia HN API). Search stories or comments by keyword, sorted by relevance or by date (newest first). Filter by tags (story/comment/ask_hn/show_hn/poll) and by author. Each hit: title, URL, author, points, comment count, story/comment text, created time, and canonical HN URL. Net-new vs news.hn-top (curated feeds) and news.search (general news).

INPADOC patent family for a publication via EPO OPS — every worldwide equivalent of the same invention (same priority), each with country, document number, kind code, and combined publication number. Use it to find where a patent was also filed/granted globally. Net-new (no US-only equivalent).

List issues for a repository (pull requests excluded): number, title, state, author, labels, comment count, and created/updated times. Filter by state (open/closed/all) and labels; paginate. Read-only; no caller key needed.

Generate UUIDs. version v4 (random) or v7 (time-ordered, sortable); count 1-100. Cryptographically random. Pure compute, no upstream.

Live airport activity board. For an airport (ICAO like KSFO or IATA like SFO), returns recent/upcoming departures or arrivals — flight ident, registration, aircraft type, origin/destination airports, status, scheduled/estimated/actual gate times, gate and terminal. Choose the board with type. Real-time operational data for an airport; complements flight.status (single flight) and flight.route-schedule.

Search Stack Overflow questions (keyless). Each result: title, link, score, answer count, answered flag, view count, tags, creation date, and question id. Sort by relevance, votes, activity, or creation. For coding agents that need authoritative Q&A on errors, APIs, and language features.

Convert Chinese (Hanzi) text to pinyin romanization. Choose tone marks (symbol, e.g. hàn yǔ), numbered tones (han4 yu3), or no tones. Auto-segments words and returns the full pinyin string plus a per-syllable array. Deterministic, keyless — useful for transliteration, pronunciation, search indexing, and TTS prep.

Country-level financial and credit reference data: sovereign credit rating, equity risk premium, country risk premium, default spread, currency (name + ISO code), region/sub-region, and ISO country codes. Returns all ~249 countries by default, or pass code (ISO alpha-2 or alpha-3) to get one. Use it for cross-border valuation (discount-rate inputs) and sovereign-risk context — distinct from country.lookup (general reference). Data by Finnhub.

Search crates.io for Rust packages (keyless). Each result: name, latest stable version, description, total + recent downloads, and repository/homepage/documentation links. For agents discovering or vetting Rust dependencies.

Detect Chinese in text: whether it contains Han characters, how many, total length, and a script classification — simplified, traditional, mixed, or han-common (characters identical in both scripts). Deterministic, keyless. Route text to the right pipeline or pick a conversion direction before calling chinese.convert.

Historical total DeFi TVL time series for a blockchain (e.g. Ethereum, Solana, Arbitrum), via DefiLlama (free/keyless). Returns daily { date, tvlUsd } points (most recent N, default 90). For charting a chain's DeFi capital over time. Pair with crypto.defi-chains for the current cross-chain leaderboard.

Historical market chart for a coin by CoinGecko id: time-series of price, market cap, and volume over the last N days (1-365) in USD or another vs-currency. Granularity is auto-selected by range (hourly for short windows, daily for long). For backtests, charts, and trend analysis.

Protocol fees/revenue or DEX trading volume leaderboards (via DefiLlama, free/keyless). kind=fees ranks protocols by fees generated; kind=dexs ranks DEXes by trading volume. Each row has 24h/7d/30d/1y totals + 1-month change, plus catalog totals. Sort by total24h/7d/30d. The protocol-economics layer.

Official French company registry search (annuaire des entreprises / data.gouv.fr). Search by company name, SIREN, SIRET, or director. Each result: SIREN, legal name, legal-form code, primary NAF activity code, enterprise category (PME/ETI/GE), employee-count range, creation date, administrative status (active/ceased), head-office SIRET and address. Free, Licence Ouverte. The authoritative FR company lookup — complements business.uk-companies and business.lei.

Verifiable random function — deterministic, publicly verifiable randomness bound to your seed and signed by the 2s key. proof = deterministic EIP-191 signature over the seed (same seed always yields the same proof, so the outcome cannot be re-rolled or cherry-picked); random = keccak256(proof), a uniform 32-byte value. Returns the seed, signed message, proof, signer address, random (hex + uint + float in [0,1)). Verify offline: recover the signer from (message, proof) and confirm keccak256(proof) == random. For provably-fair draws, lotteries, sortition, and tie-breaks between agents.

As-reported financial statements for a US-listed company, exactly as filed with the SEC — balance sheet, income statement, and cash-flow statement line items, parsed from each 10-K/10-Q. Pass ticker and optionally freq (annual or quarterly) and limit; returns the most recent filings (newest first) with filing metadata (form, period, filed date, accession) and the full report under `report`. Data by Finnhub.

Peer companies for a US-listed ticker — other companies in the same sector and sub-industry, useful for comparables, relative valuation, and screening. Pass ticker (optionally grouping to control how peers are grouped); returns a ranked list of peer ticker symbols (the input symbol is usually first). Data by Finnhub.

Active prediction markets on Limitless Exchange (on-chain, Base; keyless). Each market: conditionId, title, slug, description, status, live YES/NO prices, volume, liquidity, collateral token, expiration, and categories/tags. A second venue alongside the Polymarket (predict.markets) and Kalshi (predict.kalshi-markets) clusters — for cross-venue prediction-market coverage.

Official Norwegian company registry search (Brønnøysund Enhetsregisteret). Search by company name. Each result: organisation number, name, organisation form, primary industry (NACE), employee count, registration date, website, bankruptcy and dissolution flags, and business address. Free, NLOD/CC BY 4.0. The authoritative NO company lookup — complements business.uk-companies and business.lei.