{"service":"mcp-data-gateway","protocol":"mcp","mcp_version":"2025-06-18","official_mcp_endpoint":"https://mcp.kasanegi.com/mcp","endpoint":"https://mcp.kasanegi.com/mcp","transport":"streamable-http (JSON-RPC 2.0 over POST)","scope":"Entrance for the current 3 Japanese-public-data products. Tool list, summaries, and gateway paths derive from product-contract.ts.","canonical_broker_origin":"https://api.kasanegi.com","current_products":[{"product_id":"jp-local-pack","name":"JP Local Pack","namespace":"local","gateway_preview_prefix":"https://api.kasanegi.com/preview/v1/local","gateway_production_prefix":"https://api.kasanegi.com/v1/local","sold_endpoint_count":10},{"product_id":"jp-data-enrich","name":"JP Data Enrich","namespace":"enrich","gateway_preview_prefix":"https://api.kasanegi.com/preview/v1/enrich","gateway_production_prefix":"https://api.kasanegi.com/v1/enrich","sold_endpoint_count":7},{"product_id":"jp-grants","name":"JP Grants","namespace":"grants","gateway_preview_prefix":"https://api.kasanegi.com/preview/v1/grants","gateway_production_prefix":"https://api.kasanegi.com/v1/grants","sold_endpoint_count":4}],"canonical_buyer_path":"Official buyer-facing surface is https://api.kasanegi.com (broker gateway) and https://mcp.kasanegi.com/mcp (MCP entry). Buyer integration uses broker gateway paths /preview/v1/{namespace}/... (= wallet-free preview) and /v1/{namespace}/... (= production gateway, transition phase). Raw workers.dev origins are transition fallback only.","discovery":{"tools_with_summary":"https://mcp.kasanegi.com/mcp/tools-with-summary"}}