Payment awareness layer for MCP (Model Context Protocol)
mcp-pay is an early-stage Rust project in the AI payments / x402 ecosystem, focused on agent-payments, agentic-commerce, agents, ai-agents. It currently has 1 GitHub stars and 1 forks, and sits alongside related tools like piprail, routeweiler-python-sdk, inflow-cli.
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.
The neutral micropayment router for autonomous agents. A single HTTP client that intercepts '402 Payment Required', routes across x402, L402, and MPP, persists credentials as recoverable assets, enforces per-envelope budgets, and emits a structured trace.
A wallet for your agents to onboard and pay. Agentic MPP / x402 payments from your machine - CLI + MCP server.