x711
Pay-per-use tool API for AI agents with a free tier and x402 USDC micropayments.
🛡️ AgentReady threat assessment
MAESTRO 7-layer threat model + OWASP AIVSS risk score for x711, derived from its capabilities.
AIVSS 8.2 · High
View MAESTRO 7-layer threat model →Overview
x711 is a remote MCP endpoint offering a pay-per-use tool API for AI agents, supporting free-tier access, x402 USDC micropayments, and API-key auth across any framework or chain. It brokers many tools behind a metered payment layer. The payment/credential path (API keys, crypto micropayments) and the trust placed in a third-party tool broker are its security surface.
Key features
- Pay-per-use tool access
- x402 USDC micropayments
- Free tier
- Framework-agnostic remote MCP
Use cases
- Metered agent tool access
- Crypto-paid API calls
- Cross-framework tooling