// Minimal MCP tool definition (read-only): expose an inspect-only tool.
const tool={name:'skylark_x402_inspect',description:'Inspect FLP/FLI/GFC Base Sepolia unpaid 402 requirements; no signing.',inputSchema:{type:'object',required:['product'],properties:{product:{enum:['flp','fli','gfc']}}}};
// Use Node inspector validation before returning tool output.
// Do not interpret a 402 challenge as approval to spend.
console.log(JSON.stringify(tool,null,2));