{"service":"Guardian — Transaction Firewall for AI Agents","name":"guardian-mcp","version":"1.0.0","protocol":"Model Context Protocol","protocolVersion":"2025-06-18","transport":"Streamable HTTP (POST JSON-RPC 2.0; SSE on Accept: text/event-stream)","pricing":"free","tools":[{"name":"guardian_assess_transaction","title":"Assess a transaction before signing"},{"name":"guardian_decode_calldata","title":"Decode calldata into a readable intent"},{"name":"guardian_scan_address","title":"Scan an address for risk signals"},{"name":"guardian_simulate_transaction","title":"Dry-run a transaction"},{"name":"guardian_supported_chains","title":"List supported chains"}]}