{"tools":[{"name":"getkin_check_availability","description":"Check real-time availability and latency of LLM provider APIs. Returns up/down status, response time, and recent reliability for Anthropic, OpenAI, Google, Mistral, DeepSeek, and Meta endpoints. Costs $0.005 USDC via x402 on Solana.","inputSchema":{"type":"object","properties":{"provider":{"type":"string","description":"Filter by provider (optional, returns all if omitted)","enum":["anthropic","openai","google","mistral","deepseek","meta"]}},"required":[]}}]}