{"ok": true, "service": "ChainSignal MCP", "version": "2.0.0", "endpoint": "/mcp", "transport": "http-json-rpc", "methods": ["initialize", "tools/list", "tools/call"], "tools": ["token_search", "token_report", "wallet_portfolio", "onchain_analysis", "multi_domain_task"], "health": "/health", "metrics": "/metrics"}