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Use when running analytical SQL over Parquet/CSV/JSON without a warehouse, replacing pandas for data wrangling, joining S3 data in-place, building local data marts, or embedding OLAP into an app. Triggers: read_parquet/read_csv setup, partitioned dataset queries, hive partitioning, glob patterns for S3, COPY TO export, attach Postgres/MySQL, UDFs in Python/R, MotherDuck cloud sync, columnar performance vs row stores. NOT for OLTP workloads (concurrent writes), distributed analytics at petabyte scale (use Spark/Trino), or vector search (use pgvector/Lance).

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Connect cognee to additional databases and data sources through community packages. The skill covers installing and registering adapters, importing data through connectors, configuring monitoring, and developing extension packages with examples and tests.

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• Connect cognee to Qdrant or another database
• Import data from Slack or Gmail
• Configure monitoring with Keywords AI

Supports analysis of tables already in the workspace through data inspection, Python calculations, and charts chosen for the question. It also explains how to ask users for clarification and label results with meaningful units and names.

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• Inspecting table columns, statistics, and sample rows
• Comparing categories or tracking changes over time
• Exploring distributions and relationships

Auto-ingest a geospatial file (GeoJSON, Shapefile, GeoPackage, KML/KMZ, FlatGeobuf, CSV-with-geometry) into a PortalJS portal on the user's own machine, with no server. Normalizes CRS to EPSG:4326, derives a PMTiles render tier and a GeoParquet query tier, pushes all three artifacts to Cloudflare R2 via Git LFS, and appends one dual-tier datasets.json entry the showcase auto-renders. Use when the source is a vector geo format that needs a map or spatial-query view.

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Build cost-safe geospatial SQL for BigQuery, DuckDB, Snowflake, Wherobots, and Postgres and/or render results on an interactive Dekart map.

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Analyze Excel/CSV files with DuckDB SQL via bash.

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Internal — for Boundless team members only. Query Boundless broker telemetry tables on Redshift for prod/staging operational data. Use when the user asks about broker health, request evaluations, request completions, proving times, skip rates, telemetry data, or wants to run SQL against the telemetry database on live networks. Also covers historical telemetry through 2026-04-24 stored as Parquet archives in S3 (queried via DuckDB). Do NOT use for debugging local code changes, reviewing PRs, or investigating issues in the codebase itself.

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Exploratory data analysis. Use when users upload .csv/.xlsx/.json/.parquet files or request "explore data", "analyze dataset", "EDA", "profile data". Small files get ydata-profiling HTML/JSON reports; large files (over 200MB or 5M rows) get fixed-memory DuckDB/sketch profiling. Also covers near-duplicate row detection, cross-file key overlap ("can these join?"), dataset drift vs a stored baseline, and time-series profiling.

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Use when tools from the jupyter, duckdb, dbt, mlflow, huggingface or postgres MCP servers appear in your tool list, or before reaching for one — what each is good for, what it can damage, and the CLI fallback when it is not connected

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Use when dataframe code is slow or runs out of memory, when data outgrows pandas, or when writing pandas 3, Polars or DuckDB code — vectorisation, dtypes, Copy-on-Write, lazy and out-of-core execution, and measuring before and after

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华安保险车险周报自动生成器（麦肯锡风格）。将周度车险数据（支持Excel/CSV/JSON/DuckDB）转化为12-13页董事会级经营分析报告。采用问题导向标题、16:9宽屏、四象限/气泡图可视化、深红#a02724配色。报告结构：经营概览、保费进度、变动成本、损失暴露、费用支出，每个章节分机构和分客户类别双维度分析。支持自定义阈值配置和保费计划。触发场景：用户上传车险周报数据文件（.xlsx/.csv/.json/.db），要求生成董事会汇报PPT。

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Track Claude's best and worst questions in DuckDB. Use when Claude asks a notably good or bad question, or to review question quality. Triggers: leaderboard, bad question, good question, question quality.

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Ranked taxonomy of categorical structures from sets to ∞-topoi with gap analysis and DuckDB integration.

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Self-modifying AI agent configuration via ruler + MCP + DuckDB. All behavior mods become one-liners.

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Amazon product search, cart management, price tracking, and shopping list via Playwright + DuckDB MCP server

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Extract hidden Amp API patterns from local thread data via DuckDB analysis

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Query and explore the 2600: The Hacker Quarterly magazine archive (1984-present) via DuckDB. Provides structured access to 168+ issues covering hacker culture, security, privacy, telephony, and digital rights without loading full content into context.

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Look up prior Claude Code sessions when context is lost or forgotten. Use when asked what was done before, what happened in the last session, or any request to recall past conversation history, prior decisions, experiments, or outcomes. Indexes and searches raw JSONL transcripts from ~/.claude/projects/ via DuckDB. Returns verbatim user messages, summarizes AI actions and sub-agent outcomes, detects tool errors and user frustration signals, and reports tool usage statistics. Summaries cached at ~/.claude/kaizen/session-summaries/.

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Agentskill kaizen plugin documentation index. Load when needing to read about cross-platform notes, improvement plans, or DuckDB integration.

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Roll out governed MotherDuck analytics to internal teams, choosing trusted datasets, access boundaries, and owners.

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Evaluate or operate DuckLake on MotherDuck when open table formats, bucket ownership, or file maintenance matter.

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Assess MotherDuck security, permissions, isolation, residency, and compliance requirements against documented controls.

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Design or improve a MotherDuck Dive’s layout, responsive behavior, themes, filters, and visual accessibility.

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Create, run, schedule, or debug MotherDuck Flights, Python jobs executed on MotherDuck compute.

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