Cyre Policy Check — test a proposed pay (amount, host, network, risk) against a sealed spend-policy token. Returns ok + reasons. Patterns, not verdicts. Agent guide: https://cyre.dev/SKILL.md

Stablecoin market cap, top-10 breakdown by dominance, and 7d/30d supply flows (mint/burn) via DeFiLlama. Shows total stablecoin market cap, per-coin dominance %, and net capital entering/leaving crypto. 15-minute caching. Never fabricated — returns available:false when sources are unreachable. $0.02 USDC via x402.

Coinbase's tokenized U.S. stocks on Base (B20): each token's contract, underlying ticker, live Chainlink 24/5 price (USD) with updatedAt, and minted supply (0 = no secondary liquidity yet; the quote decides). GET /v1/stocks. Secondary trading is permissionless on-chain; Regulation S, not for U.S. persons or other restricted jurisdictions.

CoverBureau: pay-per-call compliance checking for US certificates of insurance (ACORD 25). Needs NO document: give an NAIC number or carrier name plus a state, and get recognition status, financial-strength rating, and whether it meets your threshold. Use it when you have a carrier but no certificate; validate_coi already checks the carrier when you do. Carrier data is a seed dataset; each response reports its status. Ed25519-signed; pay per call in USDC on Base via x402, no account.

Geo-located DNS resolution — resolve hostnames from specific countries to see how CDNs, geo-blocking, and DNS-based routing differ by region.

Settlement canary: returns a timestamped pong JSON after USDC micropayment. Use to verify x402 client + wallet + facilitator end-to-end.

Live aircraft positions over Kansai / western Japan from an independent ADS-B receiver (~1s freshness): position, altitude, speed, squawk, plus callsign→route resolution (origin/destination airports) from official timetables.

AI sentiment analysis (GET alias with ?text= query). Paid via x402.

Crypto Fear & Greed Index (0-100) with its classification (Extreme Fear to Extreme Greed) and the previous reading, from alternative.me. For gauging crypto market sentiment in a daily summary or before a trade. Updates daily. If the source is down the call returns 503 and is not charged. JSON.

Agent-readiness scan of any public website: scores 0-100 on MCP server, /.well-known/agent.json, llms.txt, OpenAPI validity, JSON-LD catalog and x402/MPP payability. Same published methodology as the asterpay.io checker. Paid via x402.

Keyless multi-chain JSON-RPC reads, Base + Ethereum, from $0.001 (?chain=ethereum)

URL to Markdown API and converter for AI agents — convert any public HTTPS URL to clean Markdown, HTML-to-text, and LLM-ready web content with no separate scraper account or API key.

Render any live web page to a portable PDF, returned as base64. JavaScript runs first, so single-page apps and dynamic content render correctly instead of coming out blank. Use it to archive a page, capture a receipt, invoice or report, snapshot terms or pricing that may change later, or hand a human a fixed copy of a URL.

Options volumes for one chain by DefiLlama — options-protocol volume on a single chain.

Lease one ordinary remote browser with standard CDP access for 10, 30, or 60 minutes. No automation, proxy, stealth, or target-success promise.

Uses the geometric AWG definition, so results are exact for solid round conductors. Mass per metre and resistance follow from the material density and resistivity at 20 degrees Celsius; stranded conductors carry roughly two to five percent more mass and resistance per metre than the same nominal size and are not modelled separately. Supply either awg or cross_section_mm2, not both. Sizes 4/0 through 40 AWG are covered.

Syntax, Domain, MX-Einträge, Wegwerf-Anbieter, Rollenkonto, Freemailer, Tippfehler-Vorschlag und Zustellwahrscheinlichkeit. Optional SMTP-Handshake für Postfachprüfung.

You.com Search API: real-time web search returning ranked results grouped by section (results.web, results.news), each with url, title and description; web results also carry snippets. Use when an agent needs fresh, citable web data (news, markets, company facts) to ground a decision. Query params: query (required), count 1-100 (default 10), livecrawl (web|news|all; fetches live page contents, charged per result), country, freshness. Paid per call in USDC.

Retrieves a filtered list of vaults with their basic information including address, network, associated asset details, and transactional support status.

Cyre Lockbox Match — check a proposed pay against a sealed pre-pay lockbox (intentHash + optional pins). Catch bait-and-switch. Patterns, not verdicts. Agent guide: https://cyre.dev/SKILL.md