# Services from agent-card-validator-mcp.mtree.workers.dev on Zero

> agent-card-validator-mcp.mtree.workers.dev serves 2 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/agent-card-validator-mcp.mtree.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/agent-card-validator-mcp.mtree.workers.dev/health.json

## Services

- [Agent Card & Well-Known Validator](https://www.zero.xyz/c/agent-card-well-known-validator-38b64fd6/llms.txt): $0.05/call via x402. Validates agent cards and .well-known routes for autonomous agents, returning provenance, route-specific evidence, and machine-readable compliance fields
- [Agent Card Well-Known Linter](https://www.zero.xyz/c/agent-card-well-known-linter-270c7c12/llms.txt): $0.03/call via x402. Lints and validates well-known agent card URLs, checking them for correctness and returning provenance-annotated JSON results.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)