My usage (wallet-keyed purchase

Convert a datetime from one IANA timezone to another. Accepts ISO 8601, Unix timestamps (seconds or milliseconds), or natural date strings. Returns the converted time in both timezones with UTC offset.

Historical daily weather for any location and date range (up to 1 year): high/low temp, precipitation, wind, conditions. Open-Meteo archive, no key, global. Data from 1940 to 5 days ago.

Ask a typed question about any content and get an answer your code can branch on, not prose to parse. Send state (the content, a string or object) and questions (your own ids mapped to question objects); get back answers keyed by those ids. Three question types: choice (pick one of your named options: returns choice, probabilities per option and confidence), score (a position on levels you describ

Live price, market cap, 24h volume and 24h change for ERC-20 / SPL / other chain tokens looked up by CONTRACT ADDRESS on a named platform (ethereum, base, polygon-pos, arbitrum-one, optimistic-ethereum, binance-smart-chain, solana, avalanche, ...). Up to 25 contracts per call, any vs currency (default usd). The address-first sibling of crypto-price: use it when an agent holds a token address from

Full RugCheck report for a Solana token mint, trimmed to what an agent acts on: score and risks, mint/freeze authority state, metadata mutability and update authority, supply and decimals, creator and creator balance, top 20 holders with percent, owner, insider flag and pool/locker labels, concentration totals, the deepest markets (liquidity, LP locked %), lockers, total market liquidity, LP provi

Retrieve the readable text of up to 10 web pages by URL, with optional query-focused highlights. Exa serves from its crawl cache when the page is fresh enough and live-crawls otherwise, so this answers for pages a plain fetch would be blocked from. Returns per-URL status so a page that could not be read is named rather than silently missing.

Google's generateContent wire priced from the request itself: the 402 quotes this exact body, from $0.001, with upto buyers settling actual usage. Use it when an agent built on the Gemini SDK needs a supported model paid per call without an API key.

Ask a question and get a written answer with the sources it was drawn from. Exa searches its index, reads the pages and composes the answer, returning the citation list (title, URL, published date) alongside it so every claim can be checked. Model-backed: the answer text is generated, the citations are retrieved.

Insider buying/selling activity for a stock: Form 4 trades, the latest close, and recent SEC filings in one call. Insider alert skill pack: one x402 payment runs 3 underlying tools (edgar-insider-trades, stock-quote, edgar-filings); partial-success per step.

Google's native generateContent wire on the auto tier. Send Gemini's own request shape (contents, systemInstruction, generationConfig, function declarations) and get Gemini's own response shape (candidates, usageMetadata) back. Point a Google GenAI SDK at this gateway and pay per request with USDC, no account. Also answers the Google-shaped path /v1beta/models/<model>:generateContent.

Anthropic Messages API over x402 - point the Anthropic SDK (or Claude Code / the Agent SDK) at base_url https://agent402.tools/v1/auto and pay $0.01 per call in USDC, no API key, no signup. Same models, caps and price as this tier's /chat/completions route; any model here is served through the Messages wire (Claude natively, others translated). Depth: `effort` (low..max) on Claude 4.7+, thinking.b

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 dollars. Cheapest rail right now skill pack: one x402 payment runs 4 underlying tools (l2-gas-comparison, gas-snapshot, gas-estimate, crypto-price); partial-success per step.

Diagnose why a domain's email lands in spam: SPF posture, DMARC policy, DKIM key strength, MX targets, and a composite 0–100 score. Email deliverability skill pack: one x402 payment runs 6 underlying tools (spf-check, dmarc-check, dkim-lookup, email-deliverability, email-validate, dns-lookup); partial-success per step.

Major currency snapshot: EUR/USD, GBP/USD, JPY/USD rates plus the full FX dashboard in one call. FX monitor skill pack: one x402 payment runs 3 underlying tools (fx-rate, fx-dashboard, fx-historical); partial-success per step.

Can search engines and AI crawlers actually index this page? One pass over reachability, TLS, robots policy, sitemap health, meta/OpenGraph tags, and the on-page link graph. Technical SEO audit skill pack: one x402 payment runs 6 underlying tools (http-check, tls-cert, robots-check, sitemap, meta, http-headers); partial-success per step.

Price, market cap and volume series for a coin over an ARBITRARY time window: `from`/`to` as unix seconds or ISO dates, or `lookback` ("6h", "3d", "2w") ending now. Granularity is automatic upstream: 5-minute points for a window of 1 day or less, hourly up to 90 days, daily beyond. The windowed sibling of crypto-history (which counts days back from now): use it to align with a specific event, a fi

OHLC candles for a coin: days 1 (30-min candles), 7 or 14 (4-hour), 30 / 90 / 180 / 365 (daily), in any vs currency. Returns aligned {time, open, high, low, close} bars plus the window's high/low/first/last and % change. The candle sibling of crypto-history, which returns close-only points: use OHLC for technical indicators, range/volatility work and charting. Cached in-process for 60 seconds.

Full profile of one coin by id: name/symbol, description, categories, contract addresses per platform, links (homepage, explorers, repos, social), hashing algorithm, genesis date, and a market snapshot in your currency: price, rank, market cap, fully diluted valuation, 24h volume, ATH/ATL with dates and distance, circulating/total/max supply, 24h/7d/30d/1y change. One call for the metadata a token

Markets (tickers) listed on one exchange: base/target pair, last price, 24h volume, USD- and BTC-converted last price and volume, bid-ask spread %, trust score (green/yellow/red), anomaly and stale flags, trade URL and last trade time. Filter by `coins` (coin ids, max 10); pages of up to 100 tickers (`page`), trimmed to `limit` (default 50). Where is a coin actually trading, at what spread, and is

How old and legit is this domain? WHOIS registration, DNS resolution, and TLS certificate in one pass. Domain age and legitimacy skill pack: one x402 payment runs 3 underlying tools (whois, dns-lookup, tls-cert); partial-success per step.

Point at an address (or even a rough place name) and assemble the situational brief: precise coordinates, the canonical postal address, what's within walking distance, the live weather forecast, active NWS hazard alerts, and recent seismic activity. The deterministic 'what should I know about this place right now?' workup.

The 'did this API contract change in a way that breaks our integration?' workflow. Diff two OpenAPI snapshots structurally, lint the new one for agent-readiness regressions, extract the endpoint surface for inventory comparison, validate a known-good payload against the new contract, and summarize security-relevant changes. Six tools, one go/no-go answer on whether the upstream API broke us.

The 'is this site healthy, addressable, and crawlable - right now?' workflow. DNS resolution → HTTP reachability → security headers → TLS certificate expiry → robots policy. Five tools, one structured status payload an operator (or an uptime bot, or a pre-flight check before an extract/crawl) can act on. Site status snapshot skill pack: one x402 payment runs 5 underlying tools (dns-lookup, http-ch

Take a signup form submission and run the full onboarding workup deterministically: validate the email, score the chosen password, mint a stable internal ID, derive a URL-safe handle from the display name, generate a recovery / API secret, hash the password for storage, and verify the 2FA setup code. One pass, every step a pure-CPU call.

One call answers 'can this wallet pay right now?' - USDC balances on Base AND Solana, live Base gas, and a ready-to-share Coinbase Onramp funding link if it's running dry. Agent wallet readiness check skill pack: one x402 payment runs 3 underlying tools (wallet-balances, gas-snapshot, onramp-link); partial-success per step.

Find the cheapest gas right now: Base gas, Ethereum gas, Base fee estimate, and ETH price for USD conversion. Gas optimizer skill pack: one x402 payment runs 3 underlying tools (gas-snapshot, gas-estimate, crypto-price); partial-success per step.

One tokenized real-world asset by id (gold, nvidia, tesla, spy ...): identity, type, image and web slug joined with its onchain market row - price, market cap, 24h volume and change in your currency. Two cached upstream reads, one answer. Use rwa-list to find the id.

One issuer of tokenized real-world assets by id: aggregate tokenized market cap, 24h cap change and 24h volume, plus every token it issues with symbol, name and contract address per platform (e.g. Coinbase's Base-chain tokenized Apple, Nvidia, Meta, Alphabet). Use rwa-issuers for ids. Cached in-process for 5 minutes.

Market data for tokenized real-world assets - tokenized stocks (Nvidia, Tesla, pre-IPO names), ETFs and commodities like gold - ranked by market cap or volume: price, market cap, 24h volume, 24h high/low and change, in your currency. Filter by type or a list of ids. Note these are the ONCHAIN wrappers' figures (what is tokenized and trading), not the underlying's exchange listing. Cached in-proces

Full email auth posture: SPF, DMARC, DKIM, and composite deliverability score in one call. Email security skill pack: one x402 payment runs 4 underlying tools (spf-check, dmarc-check, dkim-lookup, email-deliverability); partial-success per step.

Compare two or more loan offers - different rates, terms, fees, prepayment structures - on the metrics that actually matter (monthly payment, total interest, year-1 equity build, NPV at your discount rate, effective rate). Apples-to-apples math without opening a spreadsheet. Loan comparison skill pack: one x402 payment runs 5 underlying tools (loan-payment, amortization, compound-interest, npv, ir

TLS/SSL security posture check: live certificate inspection, HTTP security headers, and CAA DNS records. SSL audit skill pack: one x402 payment runs 3 underlying tools (tls-cert, http-headers, dns-lookup); partial-success per step.

Full weather briefing for a location: current conditions, 7-day forecast, and air quality index in one pass. Weather briefing skill pack: one x402 payment runs 3 underlying tools (weather-current, weather-daily, weather-air-quality); partial-success per step.

The production ingest path for every incoming webhook: verify the provider signature (GitHub / Stripe / Shopify / Slack, constant-time, replay-window enforced), schema-validate the now-trusted body against the provider envelope, fingerprint the raw bytes for redelivery dedup, normalize the event timestamp to UTC + epoch, and redact PII before anything hits a log. Five pure-CPU tools - the accept-o

The reply thread under a Farcaster cast (by hash or URL): the root cast plus replies flattened with their depth (1-5 levels) and parent hash, in chronological, newest-first or algorithmic order. Compact cast shape. Use to read reactions to an announcement, summarize a discussion, or trace who replied to whom.

Search Farcaster casts by keyword (literal, semantic or hybrid match), newest first, optionally filtered to one author or channel. Returns compact casts: hash, author (fid, username, follower count), text, timestamp, channel, reactions, reply count, embed URLs. Use for mention monitoring, sentiment sampling, or finding discussion of a token, product or topic.

Screen a person or company name against the OFAC SDN list. Returns exact and substring matches with the SDN entry id and type, so every hit can be checked against the published list itself. Matching is exact, substring, or all-tokens (every word of your query appears as a whole word in the entry, in any order - so 'Vladimir Putin' finds 'PUTIN, Vladimir Vladimirovich').

Is this API endpoint healthy? Liveness check, response headers, and TLS certificate status in one pass. API health check skill pack: one x402 payment runs 3 underlying tools (http-check, http-headers, tls-cert); partial-success per step.

Key Federal Reserve economic indicators - fed funds rate, unemployment, and CPI - in one call. Fed economic snapshot skill pack: one x402 payment runs 3 underlying tools (fred-series, fred-series, fred-series); partial-success per step.

Full wallet activity review: balance, recent transactions, and token metadata for a given address. Wallet audit skill pack: one x402 payment runs 3 underlying tools (wallet-balance, wallet-transactions, token-metadata); partial-success per step.

GDP and population for a country - two key World Bank indicators in one call. World Bank country data skill pack: one x402 payment runs 3 underlying tools (world-bank-indicator, world-bank-indicator, world-bank-indicator); partial-success per step.

The options chain for a currency and expiry sorted by strike: bid, ask, mark, mark implied volatility, open interest, 24h volume and the underlying, plus the list of available expiries. Use it when an agent is pricing a strategy, finding liquid strikes or reading the volatility smile for a specific expiry.

Latest casts in one or more Farcaster channels (e.g. base, farcaster, ethereum), newest first, with optional replies. Compact cast shape with author, reactions, reply count and embed URLs. Cached 60 s per identical request. Use to watch a community, sample what builders are posting, or feed a digest.

Verify an email address is deliverable - syntax validation plus MX record check on the domain. Contact verification skill pack: one x402 payment runs 3 underlying tools (email-validate, dns-lookup, spf-check); partial-success per step.

Validate, pretty-print, and convert JSON to CSV in one pass - the complete JSON processing workflow. JSON pipeline skill pack: one x402 payment runs 3 underlying tools (json-validate, json-format, json-to-csv); partial-success per step.

Lint an OpenAPI spec and validate a sample payload against it - catch schema errors in one pass. OpenAPI spec audit skill pack: one x402 payment runs 3 underlying tools (openapi-lint, openapi-validate-payload, openapi-security-summary); partial-success per step.

Full text analysis - word/sentence stats, keyword extraction, and token count in one pass. Text analysis skill pack: one x402 payment runs 3 underlying tools (text-stats, keywords, token-count); partial-success per step.

Review a SQL statement before running it against production: a pass / warn / block verdict naming concrete risks (unbounded UPDATE or DELETE, tautological WHERE, DROP, TRUNCATE, statement stacking, privilege changes, catalog writes) and, on pass, an Ed25519 certificate bound to the statement's SHA-256 that a database layer can verify before executing. Use it as the last check between an agent and

Token and native transfer history for any EVM address across major chains: direction, counterparty, asset, exact decimal value, block and transaction hash, filterable by category and block range with a cursor for paging. Use it to reconstruct what an address actually did, rather than only what it holds now.

Search Farcaster users by name or username fragment. Returns up to 10 compact profiles: fid, username, display name, bio, follower and following counts, Neynar quality score, primary verified Ethereum address. Use to resolve a person or brand to a fid before fc-user-casts, or to find who to follow on a topic.