Payments

Market regime, execution-cost, bar-QC and backtest-audit tools for agents. Pay per call via x402.

Turn any recipe into a compact process table — every ingredient and step at a glance.

Search Portland rentals, compare homes, save a shortlist, and get a live quote. No payments.

Solana + Robinhood-Chain token safety & net-USD accumulation intel for trading agents.

Hotel booking MCP server. Search, book, and manage reservations across 250K+ properties worldwide.

Verify work against acceptance criteria; signed receipts attest what passed and was earned.

Book appointments with service providers on booboooking.com — no token required.

Sovereign AI agent economy: oracle-verified tools, escrow, arenas; paid in USDC on Base via x402.

Financial calculators over MCP: compound interest, FIRE, historical returns, deep links, 6 languages

Search live empty leg private jet flights and get charter price estimates. Free, no API key.

Directory rating websites on AI-agent-friendliness. Search, lookup, and submit.

Measured ground motion (subsidence/uplift, mm/yr) for any US address, from NASA Sentinel-1 InSAR. NOT an A2A JSON-RPC server: programmatic access is MCP (https://sibfly.com/mcp), plain REST (https://sibfly.com/openapi.json) or pay-per-call x402 (https://sibfly.com/.well-known/x402).

Scan website AI readiness, understand the result and route customers to the right SYA package.

SqueezeOS MCP for live machine discovery and x402-paid USDC APIs on Base.

Adversarial verification for AI agents - pay an independent skeptic per verdict in USDC via x402.

Chicago demolition and reclaimed-brick leads, pricing, and a human-confirmed Daily Drop handoff.

Measure what ChatGPT, Claude, Gemini and 4 more AI engines say about any business. No auth.

Open Swarm. Streamable HTTP MCP. Search then arrive. Live cap 8. No account.

Free check of a California home for a Proposition 8 property tax reduction, plus owner filing.

Fetch any Russian website or API via a Russian IP — flagship tool fetch_ru. Pay x402/RUB.