Payments & Billing MCP Servers for DeepSeek Harness

Switzerland payments for AI agents — TWINT via Stripe. Never holds funds.

Synergy: paid AI-agent utility tasks over x402 (USDC Base) via MCP.

Tesorio's order-to-cash tools — query customers, invoices, receivables, payments, and more.

Tollbooth Authority — Certified Purchase Order Service for DPYC operators

Tollbooth Authority New England — sub-regional certifier under North America

Read-only payment state for USDC on Base/Solana (Bridge, Circle): completed, failed, or delayed.

Pay-per-call intel bridge for AI agents — 18 tools; tolled lanes $0.02 USDC via x402

United Arab Emirates payments for AI agents — Apple Pay / cards via Tap Payments. Never holds funds.

MCP server for Modern Treasury — payment orders, transactions, counterparties and ledgers.

Pay-per-call web intel: extract, search, link check, domain, geo, Nano. Settled via Nano x402.

Pay-per-use AI tools monetized via x402 USDC micropayments on Base, Solana, and Arc.

Read-only MCP tools for ISO 8583 and SWIFT MT/MX: parse, validate, diff, SR2026 address checks.

Self-facilitated x402/MCP payments for hosted endpoints, rail proofs, receipts, and agents.

Ranked search over 15k+ live x402 services by real 30-day usage; free top-5, paid depth via x402.

Discover x402 paid APIs and inspect fresh payment requirements before authorizing spend.

Pre-payment merchant trust checks for x402 agents on Base and Solana.

Authorize x402 payments before signing with request-bound, signed safety decisions.

Inspect and validate an x402 endpoint before an autonomous agent spends USDC.

Scoped agent execution. Server-side credentials, policy, budgets and verifiable receipts.

Read-only revenue, subscriptions, customers, and experiments tools for ZeroSettle accounts.

Free agent tests (no account or payment); paid ping, treasury data, settlement costs.