Move money, charge cards, pay invoices.
Official TypeScript/JavaScript SDK for Licentric — license keys, machine activation, offline validation, AI agent monetization, and Stripe-driven license provisioning. Alternative to Keygen, Cryptlex, LemonSqueezy License Keys.
MCP server for Sproto Studio — AI image, video, music, 3D, and avatar generation, payable per-call via x402 USDC on Base. Works with Claude Desktop, Cursor, VS Code, ChatGPT, and any MCP-compatible host.
MCP server for Tempo blockchain stablecoin payments
MCP server for accessing useful bitcoin lightning tools
MCP server for flat.cash — give your AI agent a treasury. Buy, hold, and transfer CPI-pegged FLAT with no wallet, no gas, no KYC.
Averroes CLI and MCP server: paid data APIs billed to a Stripe-funded balance.
Spend control plane for autonomous agent payments. Anomaly detection (enforce/review/off), multi-agent budget pools with fleet policy inheritance, event sink for future hosted integration, and proof metrics. Zero dependencies.
The Settlement Layer for the AI Economy — monetize any MCP tool, REST API, or AI agent with per-call billing, real-time metering, and automated Stripe payouts.
Universal AI API Orchestrator — 1554 tools, 96 services, portable AI Brain bundles + machine-bound vault encryption + Application Engine. The most comprehensive MCP server available. Free and open source from 0nORK.
FlashPay Thailand Payment API - MCP Server
MCP server for SparkForge — 25 pay-per-use utility APIs powered by x402 micropayments on Base
Reins — let an LLM pay APIs only inside an on-chain spend policy (budget, payee allowlist, expiry, revoke) on Solana. MCP server + CLI.
Colorful CLI to discover and call x402-payable AI agent services on minia2a.uk. Zero deps.
Local-first AI agent execution engine. Smart wallets, sessions, credentials, and risk-bound execution for AI agents on Base Sepolia.
Bounded spend authority for Buzz agents. A gating MCP proxy in front of your payment MCP server: policy evaluation before money moves, human approvals in the Buzz channel, and a hash-chained decision log keyed to the agent's Nostr pubkey.
MCP server exposing koreafilings.com's x402-paid DART summary API as a tool for Claude Desktop, Cursor, Continue, and other MCP clients.
MCP server for Kora — deterministic authorization for AI agent spending
MCP server that exposes the Knora institutional-memory platform to AI agents
SG's first AI-powered miles card optimizer — tells your agent which credit card earns the most miles at any merchant, based on MCC codes. Works offline, no API keys.
MCP server for jPOS and ISO 8583. Deterministic payment protocol tools for AI agents.