JustHandled Agent Utility Gateway

Sixteen deterministic, pay-per-run preflights for software agents. Every execution costs $0.05 USDC over x402 and returns a versioned evidence receipt. Raw inputs and results are not persisted.

JSON catalog Product catalog OpenAPI 3.1 Free fixtures Agent guide Pricing

Use the npm stdio MCP client for guarded paid execution, or call any POST /api/run/:utility route directly with an x402-capable HTTP client. The hosted /mcp route provides discovery and payment instructions.