{"name":"coal-commerce","version":"1.2.0","description":"Coal MCP Server — payment rails for humans and AI agents on 0G","endpoint":"/api/mcp","transport":"streamable-http (stateless)","authentication":{"recommended":"X-Coal-Agent-Key + X-Coal-Api-Key headers (set once in Claude config)","fallback":"agentPrivateKey + coalApiKey tool arguments (per-call)","note":"Coal holds NO long-lived keys. Every payment is signed per-request with user-supplied credentials."},"tools":13,"toolNames":["discover_merchants","search_products","get_merchant_profile","query_merchant_memory","check_paywall","create_checkout","get_checkout_status","verify_receipt","get_0g_health","agent_wallet_status","pay_merchant","download_product","setup_instructions"],"docs":"https://usecoal.xyz/docs/sdk/mcp","firstStep":"Call setup_instructions to learn how to configure your Claude Desktop."}