DuckDB · For developers

Guide to using and contributing cognee community packages: database adapters, data-source connectors, custom tasks and retrievers, and Keywords AI observability.

topoteretes/cognee

Migrate a whole ArcGIS Hub site into a PortalJS Arc portal end-to-end.

datopian/portaljs

Answer questions about spatial data using DuckDB. An agent skill from duckdb/duckdb-skills.

duckdb/duckdb-skills

Portable digital employee distilled from digoal's personal blog for PostgreSQL, PolarDB, DuckDB, AI+database, vector/RAG, database operations, source-code reading, technical content creation…

digoal/blog

Audit a change for resource leaks in OpenAlgo — file descriptors AND unbounded memory growth.

marketcalls/openalgo

A skill your agent uses when designing, implementing, reviewing, or debugging onetcli IPC database drivers, driver.json manifests, extension-protocol wire methods, schema metadata, DDL builders…

feigeCode/navop

Explore and query data on S3, Cloudflare R2, GCS, MinIO, or any S3-compatible storage.

duckdb/duckdb-skills

Build interactive analytics webapps, demos, dashboards, or embedded app surfaces from Sidemantic semantic models using copyable component primitives and deterministic query inspection.

sidequery/sidemantic

Read before adding or changing backend code in lightlystudio - FastAPI routes, services, resolvers, SQLModel tables, or database access.

lightly-ai/lightly-studio

Update lance-duckdb to a specific Lance release or tag. An agent skill from lance-format/lance-duckdb.

lance-format/lance-duckdb

A skill your agent uses when authoring or debugging ade-bench tasks that must run on both DuckDB and Snowflake, including shared project migrations, setup patches, and solution patches

dbt-labs/ade-bench

Turn on Rekal memory in the current repository by running rekal init.

rekal-dev/rekal-cli

Prepare, publish, refresh, or validate the TraceLab public dataset on Hugging Face under UW-SyFI/TraceLab.

uw-syfi/TraceLab

Read any data file (CSV, JSON, Parquet, Avro, Excel, spatial, SQLite) or remote URL (S3, HTTPS).

duckdb/duckdb-skills

Writes a new Dinobase YAML connector for a REST API that has no verified dlt source, covering auth, pagination, read and write endpoints and incremental loading.

kappa90/dinobase

Build, validate, and manage semantic models using Sidemantic.

sidequery/sidemantic

Use in a repo with Rekal initialized (.rekal/ exists). An agent skill from rekal-dev/rekal-cli.

rekal-dev/rekal-cli

Dev environment setup for build tools, PostgreSQL, submodules, and worktrees.

relytcloud/pg_ducklake

Attach a DuckDB database file for use with /duckdb-skills:query.

duckdb/duckdb-skills

Delegates dbt and warehouse tasks such as lineage, migrations and cost attribution to the altimate-code CLI agent and relays its answer back.

AltimateAI/data-engineering-skills

GAIK toolkit overview and reference. An agent skill from GAIK-project/gaik-toolkit.

GAIK-project/gaik-toolkit

Install the Rekal binary on this machine. An agent skill from rekal-dev/rekal-cli.

rekal-dev/rekal-cli

Answer analytical, KPI, metric, trend, cohort, and business-performance questions through a Sidemantic semantic layer.

sidequery/sidemantic

Search DuckDB and DuckLake documentation and blog posts. An agent skill from duckdb/duckdb-skills.

duckdb/duckdb-skills

Understand onepixel database topology by environment, data ownership across app/events stores, and initialization/migration behavior.

championswimmer/onepixel_backend

Run SQL queries against the attached DuckDB database or ad-hoc against files.

duckdb/duckdb-skills

Publish TraceLab snapshots from the internal repo to the public uw-syfi/TraceLab GitHub repo as clean, mergeable, incremental pull requests from a persistent public mirror branch.

uw-syfi/TraceLab

抓取并汇总"数据库、AI、GitHub、AI 论文"近 1 周新闻，输出图文并茂（含 mermaid 图）的 markdown 周报到当前项目的 markdown/ 目录。覆盖 10 个数据源：postgresweekly.com/issues（自动解析最新 issue…

digoal/blog

Query the live/remote Snowflake warehouse instead of the local practice copy.

ai-analyst-lab/ai-analyst

Guides database architecture for PostgreSQL, DuckDB, Parquet, PGVector, and Neo4j.

rileyhilliard/claude-essentials

抓取并分析"数据库、AI、GitHub、AI论文"相关的近1周内最新内容，分类汇总，输出图文并茂（含内置 Mermaid 图）的 Markdown 周报到当前项目的 markdown/ 目录。

digoal/blog

Internal — for Boundless team members only. An agent skill from boundless-xyz/boundless.

boundless-xyz/boundless

Analyze Excel/CSV files with DuckDB SQL via bash. An agent skill from HezaoHezao/poirot.

HezaoHezao/poirot

Persist flaker's DuckDB storage across GitHub Actions runs and feed it from multiple sources (vitest reports, custom adapter reports, etc.).

mizchi/skills

Canonical rocky.toml authoring reference. An agent skill from rocky-data/rocky.

rocky-data/rocky

Reads from, writes to, and manages relational databases using MATLAB Database Toolbox.

matlab/matlab-agentic-toolkit

DataCanvas primitive reference — a Tier 3 SQL/analytical workspace for tabular MCP servers, backed by DuckDB.

cyanheads/pubmed-mcp-server

Use DuckDB from MATLAB via Database Toolbox (R2026a+) as a non-math operations engine on large tabular files (CSV/Parquet/JSON) and as a zero-config embedded database.

matlab/matlab-agentic-toolkit

A skill your agent uses when running a ClickHouse server for high-volume OLAP: choosing a MergeTree engine and ORDER BY/PARTITION BY keys, ingesting billions of event/log/metric rows…

ericrisco/rsc-harness

A skill your agent uses when writing or reviewing advanced SQL query logic independent of any one engine — multi-table joins, window functions, CTEs including recursive ones, GROUP BY and GROUPING…

ericrisco/rsc-harness

DuckDB CLI specialist for SQL analysis, data processing and file conversion.

aAAaqwq/AGI-Super-Team

A skill your agent uses when working with structured data files (CSV, JSON, YAML, TOML, Parquet) — querying, transforming, filtering, aggregating, or converting between formats

jeremylongshore/tons-of-skills-marketplace

QuantAll（全A解析）MCP —— 股市全市场向量化计算引擎，为 AI 提供本地 Python 计算环境. An agent skill from aiskillstore/marketplace.

aiskillstore/marketplace