Payments

MCP server for Adyen Checkout API v71 — enterprise payments (iFood, Uber, Spotify in LatAm)

Smart money tracking — discover, score, and analyze top Polymarket wallets

AlgoVoi crypto payments via MCP: USDC + native on Algorand, VOI, Hedera, Stellar.

Secure Python sandbox for data optimization and Matplotlib rendering via x402 microtransactions.

Twitter/X MCP server — 30 tools with x402 micropayments. Runs locally from your IP.

Lint an HTTP endpoint's x402 402 conformance; decode X-PAYMENT blobs; inspect a facilitator.

Exactly-once execution guard for AI agents. Prevents duplicate payments and webhooks on retry.

Comprehensive MCP server for the Robokassa payment gateway (18 tools, full API coverage).

Run a side effect exactly once under retries, redelivery, and concurrent workers.

Agent wallet, email, phone, and 41 paid tools: search, image/video/music gen, SMS, calls.

Smart contract security for AI agents — verify, monitor, freeze, x402 payments

Buy any x402 API or data on Base, Solana, Polygon. No wallet on the seller's chain. For AI agents.

Crypto risk intelligence: 19 tools for rug pull detection, AI forensics, and token analysis.

QuickBooks Online MCP server for invoices, customers, and payments. OAuth 2.1 + PKCE, stdio/HTTP.

The immutable delegation frame for AI agents: gate any sensitive action, human-in-the-loop.

AI Agent payment protocol on CKB Fiber Network. Zero-gas micropayments with Hold Invoice escrow.

Bitcoin data for AI agents. 27 tools with x402 micropayments. No API keys needed.

Trust layer for AI agents: identity, guard, redact, escrow, and x402 payments.

Private agent payments on Solana via ZK proofs: deposit, withdraw, list pools, estimate fees.

Unofficial read-only MCP server for the wFirma API v2: invoices, contractors, expenses, payments.