{"name": "Kairos Signal MCP Server", "protocol": "MCP 2024-11-05", "endpoints": {"POST /mcp/": "MCP JSON-RPC (streamable HTTP with SSE)", "GET /mcp/health": "Health check"}, "tools": ["register_agent", "list_products", "purchase_data", "topup_credits", "check_balance", "list_datasets", "get_stats", "get_data_dictionary", "get_derivation_ledger", "fetch_dataset", "verify_footprint"], "free_tier": "500 queries/day, 10 records max"}