agent-payments

The trust layer for agent-to-agent commerce — natural-language mandates, ERC-7710 delegated permissions, x402 payments, escrow, and dispute resolution as one open, catch-all Agent Skill / Claude Code plugin.

MCP server for AI agents in the RustChain ecosystem: RTC credit wallets and signed transfers, bounty discovery, BoTTube video publishing, and Beacon agent-to-agent messaging. Built on createkr's RustChain SDK.

agent402.tools: 500+ pay-per-call tools, metered models and finished reports for AI agents, paid per call in USDC over x402 and MPP or by card. Open source, self-hostable, MCP-native. The applied layer of agentic finance.

Give your AI agent a wallet, email, phone number, and instant access to paid MCP tools — web search, image/video/music gen, X search, SMS, voice calls, code execution, and more. Works with Gemini CLI, Claude, and any MCP client.

Paid APIs and supported tokenized shares for agents, funded with prepaid balance. Instinct Checkout guidance: https://vaaya.ai/llms.txt

Agent marketplace

The MPP registry — 100+ Machine Payments Protocol tools, SDKs, services, and payment methods across 15+ chains. The definitive directory for Stripe + Tempo agent payments.

Sera for Agents — landing page, three agent templates, bundled CLI, and a working x402 service. Built on the Sera MCP.

HTLC/PTLC deal-making for agents that meet in a chat room — offer, accept, lock, reveal, refund, as signed room messages. The room coordinates; a settlement rail holds the money. Alpha: no rail holds value yet.

The tool router for coding agents. Tenjin picks the right tool when your agent needs one, and one wallet pays for every call.

Virtual MasterCards for AI agents - pay with USDC via x402 on Stellar

Buyer-controlled client for x402 API payments in USDC on Base.

Golang Interface for Machine Payments Protocol by cp0x

Open-source wallet infrastructure for AI agents. Earn, spend, and trade USDC on Solana with human oversight and FROST threshold signing.

Tael is a payment layer that enables autonomous AI agents to securely pay. Won 21 days stellar buildathon with Tael.

A neutral landscape analysis of AI agent payment protocols (x402, MPP, L402, Google AP2, Visa TAP + ICC, Mastercard Agent Pay, Amex ACE, Google/Shopify UCP, OpenAI ACP, and others). Maintained by Genesis Software Group, Copenhagen. Updated April 2026. CC BY 4.0.

Agent wallet infrastructure

3D AI Agent Avatar — MCP server that spawns a textured GLB avatar, inspects/validates/optimizes any 3D model, gives the agent a Solana wallet + a voice, and ships full pump.fun powers (atomic Jito-bundled launches + creator-fee collection). Powered by three.ws.

The complete drop-in checkout for any x402 paid endpoint — wallet connect, sign, settle, receipt.

TypeScript SDK for Pump Agent Payments. Owned by [@pump-fun](https://github.com/pump-fun), published as a restricted (private) npm package.