AgentGrade

skills: {'id': 'scan_url', 'name': 'scan_url', 'description': 'Scan a URL for agent capabilities and payment protocols. Returns full results including x402, MPP, L402, discovery, bazaar, MCP, plugins, OpenAPI, and more.', 'tags': [], 'examples': None, 'input_modes': None, 'output_modes': None}, {'id': 'scan_compact', 'name': 'scan_compact', 'description': 'Compact scan returning only rails, capabilities, and a numeric score. Optimized for agent decision-making.', 'tags': [], 'examples': None, 'input_modes': None, 'output_modes': None}, {'id': 'get_history', 'name': 'get_history', 'description': 'Get scan history for a URL. Requires database to be configured.', 'tags': [], 'examples': None, 'input_modes': None, 'output_modes': None}, {'id': 'validate_x402_json', 'name': 'validate_x402_json', 'description': 'Validate x402.json content against expected schema. Returns errors, warnings, and suggestions. No network requests — pure validation.', 'tags': [], 'examples': None, 'input_modes': None, 'output_modes': None}; uptime_30d 1.0%; p95 458.4ms; conformance: pass

How to connect

https://agentgrade.com/mcp

curl -X POST https://agentgrade.com/mcp \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{}}'