Percentage helper. op: "of" (a% of b), "change" (% change a→b), "ratio" (a is what % of b).

Parse and format phone numbers into E.164 and national formats. Supports US (+1), UK (+44), DE (+49), FR (+33), AU (+61), IN (+91). Pure regex — no libphonenumber dependency.

Search OpenStreetMap for places by keyword, optionally restricted to a bounding box or country. Returns ranked hits with coordinates and place type — e.g. coffee shops in a city, airports in a region. ?q=coffee&viewbox=-122.52,37.81,-122.35,37.70&...

Get full detail for a single Polymarket market by slug or id. Returns question, description, outcome prices (implied probabilities), volume, liquidity, end date, resolution status, and CLOB token ids needed for orderbook + history lookups.

Live CLOB orderbook for a Polymarket outcome token. Returns top N bids (highest first), top N asks (lowest first), best bid/ask, mid-price, and spread. Use a clobTokenId from polymarket-market or polymarket-search.

Historical odds (implied probabilities) for a Polymarket outcome token. Returns timestamped price samples with first/last/min/max summary. Useful for: tracking probability shifts around events, computing realized volatility, backtesting prediction...

Search active Polymarket markets by keyword. Returns the top matches sorted by 24h volume, with question, current outcome prices (implied probabilities), volume, liquidity, end date, and CLOB token ids for orderbook lookups.

Extended-hours quote for a US-listed ticker: latest traded price including pre-market and after-hours sessions, which session it printed in (pre / regular / post / closed), change vs. the last regular-session price, and today's session windows. Ba...

Live spot price (and optional 24-hour change) for one or more coins from CoinGecko's public Simple Price endpoint. Identify coins by their CoinGecko ID slug (bitcoin, ethereum, solana, usd-coin, …). Defaults to USD; pass a `vsCurrency` to denomina...

Latest aggregated price for one or more Pyth feeds, sourced live from Pyth's Hermes service. Identify feeds by hex feed-id (preferred - full precision) or by a small set of well-known aliases (BTCUSD, ETHUSD, SOLUSD, USDC, USDT). Each feed returns...

Find the prime factorization of an integer via trial division. Returns the list of prime factors (with repeats), a human-readable factorization string, whether the number is prime, and the count of distinct prime factors. Limit: numbers up to 10^15.

Public holidays for a country and year via Nager.Date (keyless, 100+ countries): date, local name, English name, nationwide flag, and holiday types. Pairs with /api/business-days and /api/country-info. ?country=US&year=2026

Convert an internationalized domain name to Punycode (ASCII-compatible encoding, RFC 3492) or decode Punycode back to Unicode. Uses Node.js built-in IDNA support. Deterministic, pure CPU.

Generate a QR code PNG from any text or URL. ?text=…&size=256 (128-1024).

Parse a URL query string into an object, or build one from an object. mode: parse (default) | build.

Cryptographically secure randomness. ?bytes=1..1024 returns hex; or ?min=&max= returns a uniform integer; ?count=1..100.

Flesch Reading Ease score and Flesch–Kincaid grade level for English text, plus word/sentence/syllable counts.

Compute Flesch-Kincaid Grade Level, Flesch Reading Ease, Gunning Fog Index, and Automated Readability Index from text. Returns all 4 scores plus word, sentence, and syllable counts.

Mask emails, phone numbers, credit-card-like numbers, IPs, and SSNs in text. Returns the redacted text and counts by type.

Run a regular expression against text. Returns up to 100 matches with index and capture groups. Pattern ≤ 200 chars, text ≤ 10KB.

Format a timestamp as a human relative phrase ("3 hours ago", "in 2 days") versus now or a reference time.

Render a page in a real headless Chromium browser (JavaScript executed), then extract the main content as clean markdown. Use this for SPAs and JS-heavy sites where plain fetching returns an empty shell. Marked untrustedContent: the page is extern...

One-shot company research dossier for a US-listed ticker: recent 10-K / 10-Q / 8-K filings, Form 4 insider trades (last 90 days), live stock quote, and recent news headlines — all merged into a single deterministic JSON response. Fans out to EDGAR, Yahoo Finance, and an independent news index in parallel. Each section reports its own ok/error status so a partial upstream outage degrades gracefully instead of failing the whole call. Replaces ~5 sequential paid calls with one. ?ticker=AAPL

Resolve a lat/lon to a structured postal address: road, house number, city, state, postcode, country (with ISO code). OpenStreetMap/Nominatim, no key. ?lat=38.8977&lon=-77.0365.

Fetch a site's robots.txt and answer: may this user-agent crawl this path? Returns the matched rule and all declared sitemaps.

Convert an integer (1-3999) to Roman numerals, or a Roman numeral back to an integer. Auto-detects direction.

Caesar-cipher a string. Default shift 13 (ROT13, self-inverse). Set shift for any rotation 1-25.

Describe a task (or name a slug) and the Smart Order Router resolves the best-matching tool and RUNS it in the same call — flat $0.01 covering any tool listed at $0.005 or less, from THIS host's catalog or any external x402 seller in the open inde...

Real-time Sahm Rule recession indicator from FRED (SAHMREALTIME series). The Sahm Rule triggers when the 3-month moving average of US unemployment rises ≥0.50 percentage points above its prior-12-month low — historically a clean recession signal. No params.

Screenshot any public URL in headless Chromium. Returns a PNG image. Query params: ?url=https://…&fullPage=true (optional).

Derive a cryptographic key from a password using scrypt (RFC 7914). Memory-hard by design, making it more resistant to GPU/ASIC brute-force than PBKDF2. Returns the hex-encoded derived key and all tuning parameters (N, r, p).

Live web search: ranked results (title, URL, snippet, age) from an independent search index as clean JSON - fresh pages your model's training cutoff has never seen. Optional freshness filter (pd/pw/pm/py = past day/week/month/year). Marked untrust...

Live image search: ranked image results (title, source page, image URL, thumbnail URL, dimensions) from an independent search index as clean JSON. Strict safe-search is on by default.

Live news search: ranked recent articles (title, URL, snippet, age, source, breaking flag) from an independent search index as clean JSON. Same freshness filter as web search (pd/pw/pm/py). Optimized for current-events queries where the web index lags.

Search autocomplete: query suggestions for a partial input as a flat JSON array. Useful for query expansion, did-you-mean refinement, and topic exploration. Returns up to 20 suggestions.

Live video search: ranked video results (title, video page URL, description, duration, creator, publisher, thumbnail, age) from an independent search index as clean JSON. Completes the web/news/images search family. Same freshness filter (pd/pw/pm...

Resolve a 4-byte function selector or a 32-byte event topic hash to its known human-readable signatures, via the openchain.xyz signature database with 4byte.directory as fallback. Unknown selectors return {found:false} with an empty list, not an e...

Parse a semantic version, or compare two (a vs b → -1/0/1, with greater/lesser flags).

Risk-adjusted return: (mean return - risk-free rate) / sample standard deviation of returns (n-1). Pass periodsPerYear to also get the annualized ratio (× sqrt(periodsPerYear)).

Fetch and parse a sitemap.xml (or sitemap index): returns up to 500 URLs with lastmod, or the child sitemaps of an index.

Bundled execution of the WCAG accessibility audit workflow — Run a deterministic WCAG 2.x audit of an HTML page from a string and a fg/bg color pair. Checks language attribute (3.1.1), document title (2.4.2), heading order (1.3.1), link-text prese...

Bundled execution of the Any URL to markdown workflow — The 'I have a URL but it might be HTML, PDF, or an image — give me clean markdown either way' workflow. HEAD-detect the content-type, branch to the right deterministic extractor (article extr...

Bundled execution of the API health check workflow — Is this API endpoint healthy? Liveness check, response headers, and TLS certificate status in one pass. One x402 payment runs 3 underlying tools (http-check, http-headers, tls-cert); partial-suc...

Bundled execution of the API investigation workflow — Point at an unknown API endpoint and figure out how to use it: auth scheme, content type, version, rate limits, OpenAPI/Swagger spec discovery, and JSON response structure. The deterministic recon workflow before writing a single line of integration code. One x402 payment runs 7 underlying tools (url-parse, http-check, http-headers, extract, html-links, json-format, json-query); partial-success per step.

Bundled execution of the Article digest workflow — Quick research brief on any topic — web search results plus an AI-generated answer in one pass. One x402 payment runs 3 underlying tools (search, answer, search-news); partial-success per step.

Bundled execution of the Brand protection workflow — Is this domain legitimate? WHOIS age, DNS resolution, scam/phishing search results, and HTTP headers for a quick trust assessment. One x402 payment runs 4 underlying tools (whois, dns-lookup, se...

Bundled execution of the Cheapest rail right now workflow — Where should an agent transact this minute? Live gas on Ethereum + every major L2 side by side, Base gas tiers, a fee estimate for your transaction type, and ETH spot to price it all in d...

Bundled execution of the Company dossier workflow - Comprehensive company research report in one call: live quote, financials, SEC filings, insider trades, and recent news - all in parallel. One x402 payment runs 5 underlying tools (stock-quote, c...

Bundled execution of the Competitor scan workflow — What's a competitor using? Tech stack, HTTP headers, WHOIS, and page metadata in one call. One x402 payment runs 4 underlying tools (tech-stack, http-headers, whois, meta); partial-success per step.

Bundled execution of the Contact verification workflow — Verify an email address is deliverable — syntax validation plus MX record check on the domain. One x402 payment runs 3 underlying tools (email-validate, dns-lookup, spf-check); partial-succe...