https://agent-mcp.org/2026-04-03weekly1.0 https://agent-mcp.org/validator2026-04-03weekly0.9 https://agent-mcp.org/examples2026-04-03weekly0.85 https://agent-mcp.org/docs2026-04-03weekly0.85 https://agent-mcp.org/.well-known/agent-discovery.json2026-04-03weekly0.9 https://agent-mcp.org/.well-known/agent.json2026-04-03weekly0.9