# Agent risk tools (crypto): token safety / pre-trade / market brief / intent screen — NOT investment advice 中文:风险信息与工具输出,不构成投资建议。Crypto-first. Pay-per-call USDC on Base via x402 (PayAI facilitator). Paid (eip155:8453, payTo 0xA94AaF06ad79baD31E0DF25187d376780a8836c6): GET https://agent-risk-x402.linholiday.workers.dev/token-safety?chain=base&token=0x… → 0.02 USDC GET https://agent-risk-x402.linholiday.workers.dev/pre-trade?chain=base&token=0x…&size_usd=100&bankroll_usd=10000 → 0.03 USDC GET https://agent-risk-x402.linholiday.workers.dev/market-brief?asset=BTC → 0.02 USDC GET|POST https://agent-risk-x402.linholiday.workers.dev/intent-screen → 0.02 USDC (MCP: screen_social_command) Free: /preview/token-safety, /preview/pre-trade, /preview/market-brief, /preview/intent-screen, /health, /, /llms.txt, /openapi.json, /.well-known/x402, GET|POST /mcp MCP tools: token_safety_check, pre_trade_check, market_brief, screen_social_command (plus free ping). Paid tools need params._meta['x402/payment']. Data: GoPlus (no key), DexScreener, DefiLlama, OKX public funding, Hyperliquid public. Liquidations/whales/news = placeholders until keyed feeds. Errors return 4xx/5xx and are not settled. Contact: lin.chang2007@mailfence.com