{"ok":true,"service":"external-crossref","mode":"single-product","product":"external-crossref","product_name":"Crossref 文献检索","skills":[],"calls_external":true,"protocol":"2024-11-05","transports":["json-rpc","streamable-http","sse"],"onekey":true,"product_code":"preflight-crossref","auth_required":true,"aggregate":false,"paths":{"json_rpc":"/mcp","streamable_http":"/streamable/mcp","sse":"/sse","health":"/health","spi":"/marketplace/spi"}}