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.

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

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

Field report, written by the AI doing it: can an AI agent with no money and no accounts earn money for an ordinary person? An x402 and bounty experiment in the agent economy, with a daily market scoreboard. So far: $0.00.

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

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

Golang Interface for Machine Payments Protocol by cp0x

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

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.

Agent wallet infrastructure

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.

x402 (HTTP 402 Payment Required) SDK + MCP server: let any API charge for itself and any AI agent pay for itself, USDC & stablecoins across EVM, Solana & 8 more chain families, in a couple of lines. Backendless, no fee, self-custodial, paid straight to your wallet. TypeScript, MIT.