{"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": ["k_zk_footprints", "market_ticks", "massive_indicators", "depin_onchain", "verify_footprint", "get_zk_provenance", "purchase_data", "get_stats", "register_agent", "check_balance", "list_products", "topup_credits"], "free_tier": "500 queries/day, 10 records max"}