{"service": "ChainLead", "version": "0.2.0", "tool": "chainlead-web3-lead-discovery", "endpoint": {"method": "POST", "path": "/v1/leads/discover", "content_type": "application/json"}, "manifest": "/.well-known/ai-tool/chainlead-web3-lead-discovery.json", "price": {"amount_usdc": "0.50", "network": "base", "protocol": "x402"}, "example_input": {"offer": "bridge_dev", "github_queries": ["topic:cross-chain solidity"], "target_chains": [8453], "max_candidates": 5, "max_leads": 3}, "how_to_pay": "POST without payment answers HTTP 402 with x402 v1 requirements in the body and v2 in the PAYMENT-REQUIRED header; sign and resend with X-PAYMENT (v1) or PAYMENT-SIGNATURE (v2).", "read_only": true}