Payments

Private memory, scratchpads, context export/restore and task handoff for AI agents.

Mail one-off USPS letters from ChatGPT or Claude after you approve the preview and price. US only.

Value investing for US stocks: SEC filings, 13F guru holdings, intrinsic value, AI briefings.

Search ProtoClinical's current K-beauty catalog and manage buyer-approved carts and checkouts.

Cold email sequences, leads, templates, senders, inbox, and analytics via the SalesBlink API.

Browse county records and group parcels by recorded owner name. (mooshworks.com)

Search Australian campsites, caravan parks and free camps; weather, gear, road trips and booking.

Search Africa safari destinations, generate day-by-day itineraries, and price expert travel work.

271 x402 agent APIs: research, law, medicine, science, finance, public data, security and crypto.

Verified referral and discount codes for crypto exchanges, wallets and trading tools. Read-only.

Find the AI coding/app-builder plan that fits your usage: limits, prices and plan-fit picks.

Queries live HackerNews discussions, front-page velocity, and developer sentiment on any framework, startup, or AI model. (Live A2A v0.3, MCP & x402 v2 node at https://hn-pulse.agentdiet.dev)

Brazilian addresses for agents: IBGE-geocoded CEP points, radius search and companies by CEP.

Money tools for AI agents over x402: USDC bridge to 16 chains, Polymarket data, stocks, USDC gas.

Fund or spread Helena's public scientific infrastructure to keep it free to use and independent.

Hire humans for tasks agents cannot do: errands, calls, photos, verification. Escrowed, verified.

QuantumOracle — 18 post-quantum crypto tools: Kyber, Dilithium, hybrid schemes, migration.

Durable technocore-chat archive plus DID activity, filler-bot and identity-rate analysis.

Real-time B2B counterparty KYB, SSL, DNSSEC & DMARC/SPF trust verifier ($1 USDC).

Paid x402 tools for merchant intelligence, Base payment readiness, and verifiable web evidence.