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{"type":"assistant","message":{"model":"claude-sonnet-5-5","id":"msg_011Cfu5HPqfWs8U6MkGq4yFy","type":"message","role":"assistant","content":[{"type":"text","text":"Check for empty strings too."}],"container":null,"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":566,"cache_read_input_tokens":6488,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":566},"output_tokens":33,"service_tier":"standard","inference_geo":"global"},"input_transformations":[],"diagnostics":null,"context_management":null},"parent_tool_use_id":null,"session_id":"6e247046-cfe7-4a9c-a562-288e2f9dcb29","uuid":"9386efca-ca61-4ae4-a40d-a08c685953d8","timestamp":"2026-10-10T19:02:29.549Z","request_id":"req_011Cfu5HPcXS6ZbnxtBsikaY"}
{"type":"assistant","message":{"model":"claude-sonnet-5-5","id":"msg_011Cfu5HPqfWs8U6MkGq4yFy","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_014zQkGVw4WcwGkcqCtmeeCZ","name":"mcp__srv__execute_query","input":{"sql":"select count(*) total, count(*) filter (where email is null) nulls, count(*) filter (where trim(email)='') empties from cus_f140"},"caller":{"type":"direct"}}],"container":null,"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":566,"cache_read_input_tokens":6488,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":566},"output_tokens":33,"service_tier":"standard","inference_geo":"global"},"input_transformations":[],"diagnostics":null,"context_management":null},"parent_tool_use_id":null,"session_id":"6e247046-cfe7-4a9c-a562-288e2f9dcb29","uuid":"89d11b18-2206-48cf-a02c-80de498b7da5","timestamp":"2026-10-10T19:02:29.953Z","request_id":"req_011Cfu5HPcXS6ZbnxtBsikaY","tool_use_meta":[{"id":"toolu_014zQkGVw4WcwGkcqCtmeeCZ","display_name":"Execute Query","server_display_name":"mcp-server-motherduck"}]}
{"type":"user","message":{"role":"user","content":[{"type":"tool_result","content":"Error calling tool 'execute_query': {\n  \"success\": false,\n  \"error\": \"Parser Error: syntax error at or near \\\"nulls\\\"\\n\\nLINE 1: ...lect count(*) total, count(*) filter (where email is null) nulls, count(*) filter (where trim(email)='') empties from...\\n                                                                      ^\",\n  \"errorType\": \"ParserException\"\n}","is_error":true,"tool_use_id":"toolu_014zQkGVw4WcwGkcqCtmeeCZ"}]},"parent_tool_use_id":null,"session_id":"6e247046-cfe7-4a9c-a562-288e2f9dcb29","uuid":"f782fcfc-63f8-4958-872e-6c0e01ac2584","timestamp":"2026-10-10T19:02:30.042Z","tool_use_result":{"content":"Error: Error calling tool 'execute_query': {\n  \"success\": false,\n  \"error\": \"Parser Error: syntax error at or near \\\"nulls\\\"\\n\\nLINE 1: ...lect count(*) total, count(*) filter (where email is null) nulls, count(*) filter (where trim(email)='') empties from...\\n                                                                      ^\",\n  \"errorType\": \"ParserException\"\n}","_meta":{"io.modelcontextprotocol/serverInfo":{"name":"mcp-server-motherduck","icons":[{"src":"data:image/png;base64,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{"type":"assistant","message":{"model":"claude-sonnet-5-5","id":"msg_011Cfu5HWBAnEeZe5rAm4x8o","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_015E4w9g2ftGNVycdQDfHHeY","name":"mcp__srv__execute_query","input":{"sql":"select count(*) total, count(*) filter (where email is null) n_null, count(*) filter (where trim(email)='') n_empty from cus_f140"},"caller":{"type":"direct"}}],"container":null,"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":273,"cache_read_input_tokens":7054,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":273},"output_tokens":24,"service_tier":"standard","inference_geo":"global"},"input_transformations":[],"diagnostics":null,"context_management":null},"parent_tool_use_id":null,"session_id":"6e247046-cfe7-4a9c-a562-288e2f9dcb29","uuid":"8a978209-551c-4b0b-bf63-1883c3439416","timestamp":"2026-10-10T19:02:31.298Z","request_id":"req_011Cfu5HVxWr3KQmy9gXC6jG","tool_use_meta":[{"id":"toolu_015E4w9g2ftGNVycdQDfHHeY","display_name":"Execute Query","server_display_name":"mcp-server-motherduck"}]}
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