# Agent Commerce Readiness Gen2 > Free, read-only API and MCP tool for AI agents that need deterministic agent-commerce readiness evidence instead of rebuilding the checks themselves. ACR audits public websites for agent discoverability, structured commerce readiness, UCP evidence, conservative ACP boundaries, explicit x402 v2 payment-resource evidence, prioritised remediation tasks, and verification receipts. It does not sign or send payments. No API key is required during LIVE_FREE observation. ## Preferred machine interfaces - [Gen2 OpenAPI](https://agent-commerce-readiness-tlxjvcrika-an.a.run.app/openapi-gen2.json): Primary REST contract. - [MCP endpoint](https://agent-commerce-readiness-tlxjvcrika-an.a.run.app/mcp): Remote MCP tool endpoint using protocol 2026-07-28. - [MCP registry manifest](https://agent-commerce-readiness-tlxjvcrika-an.a.run.app/mcp-server.json): Metadata prepared for MCP Registry distribution. - [Agent tool manifest](https://agent-commerce-readiness-tlxjvcrika-an.a.run.app/.well-known/acr.json): ACR-specific machine-readable service metadata. - [RFC 9727 API catalog](https://agent-commerce-readiness-tlxjvcrika-an.a.run.app/.well-known/api-catalog): Standards-based API discovery linkset. ## Documentation - [Agent-focused docs](https://agent-commerce-readiness-tlxjvcrika-an.a.run.app/docs): Capabilities, selection guidance and invocation examples. - [Full LLM context](https://agent-commerce-readiness-tlxjvcrika-an.a.run.app/llms-full.txt): Expanded guidance for tool-selection and integration. - [Health](https://agent-commerce-readiness-tlxjvcrika-an.a.run.app/health): Service health and exact deployed source revision.