Databases · SQL · For data scientists

A skill your agent uses when adding a DB migration or a new column/field to a Becca entity in Trilium ("add a migration", "new column on notes/attributes", "ALTER TABLE", "add a field to…

TriliumNext/Trilium

A skill your agent uses when the user has tabular data (pandas DataFrame, parquet, csv, Arrow, json) and wants to filter, group, aggregate, join, or speed up slow pandas.

vemetric/vemetric

Implement, fix, refactor, or remove repository code under required scope, non-regression, verification, and review gates.

apache/shardingsphere

A skill your agent uses to analyze an existing PostgreSQL database and identify which tables should be converted to Timescale/TimescaleDB hypertables.

timescale/pg-aiguide

Creates and updates OrchardCore data migrations (DataMigration classes with CreateAsync/UpdateFromX).

OrchardCMS/OrchardCore

Master SQL query optimization, indexing strategies, and EXPLAIN analysis to dramatically improve database performance and eliminate slow queries.

ynulihao/AgentSkillOS

Analyse whether a SQL query is portable across database implementations using sqlglot transpilation.

HL7/sql-on-fhir

Analyze indexed Aily chat session history for prior decisions, tool executions, project summaries, usage tips, and session-store reindexing.

ailyProject/aily-blockly

ktx's semantic layer - a structured catalog of sources (tables/views), measures, joins, and segments expressed as YAML.

Kaelio/ktx

Query AutoRAG-Research pipeline results using natural language.

NomaDamas/AutoRAG-Research

A skill your agent uses when creating, editing, reviewing, or troubleshooting Bruin semantic layer models, semantic query CLI usage, metric and dimension definitions, joins, segments, filters…

bruin-data/bruin

Queries the data warehouse with SQL and answers business questions about data.

astronomer/agents

Create DAC dashboards by writing YAML or TSX dashboard definition files.

bruin-data/bruin

Analyse GC2/Centia Parquet snapshots with DuckDB by walking the STAC catalog.json in the snapshot store — find datasets, decide whether a dataset has geometry (and in which CRS), read one snapshot…

mapcentia/geocloud2

Build and troubleshoot Cloudflare Basin analytics workflows with Basin Pipelines, Basin Catalog, and Basin SQL.

cloudflare/skills

Rules for charts and visualization. An agent skill from FrankChen021/datastoria.

FrankChen021/datastoria

Query Finelog logs and telemetry for Iris tasks, workers, profiles, training, vLLM, and cross-cluster forwarding.

marin-community/marin

Find every OWID surface that references a chart, indicator, MDIM, or explorer — articles (links vs embeds), explorers, narrative charts, data insights, static viz, key-chart slots, MDIM views.

owid/etl

Databricks SQL (DBSQL) advanced features and SQL warehouse capabilities.

databricks/databricks-agent-skills

Manage Redash queries and dashboards on Mozilla's STMO (sql.telemetry.mozilla.org) using stmo-cli.

SAP/project-foxhound

A skill your agent uses when generating or regenerating Drizzle migration files, changing database schema tables or columns, resolving migration sequence conflicts after rebase, reviewing migration…

kurealnum/dotfiles

Sets up Dinobase, a local DuckDB database that syncs data from 100+ business sources, then answers questions across them with SQL joins and previewed write-backs.

kappa90/dinobase

Work with the ChatbotX contact filter system — the shared filter model behind the contacts list, conversations, and broadcast audiences.

ChatbotXIO/ChatbotX

Add or modify utility functions in fe-tools. An agent skill from MichealWayne/fe-tools.

MichealWayne/fe-tools

Activate this skill whenever working with DataJunction (DJ) semantic layer.

DataJunction/dj

智能数据库查询技能。通过SSH隧道连接线上数据库，支持自然语言转SQL、执行查询、表结构探索。当用户需要查询数据库、问数据、看表结构时使用此技能。

zrt-ai-lab/opencode-skills

Expert SQL query generation for DBX Studio. An agent skill from Dbxstudio/dbx-studio.

Dbxstudio/dbx-studio

SQL query engine design and implementation guide. An agent skill from revfactory/claude-code-harness.

revfactory/claude-code-harness

Retrieve proven SQL patterns, table cheatsheets, and join patterns from .knowledge/query-archaeology/ so past work gets reused.

ai-analyst-lab/ai-analyst

取数 / 查数据 / 拉数据 / 跑 SQL。把自然语言取数需求转为 SQL，经数据湖仓执行后返回查询结果供下游分析。任何需要业务数据的任务在工作区缺少对应文件时都必须先调用此技能——覆盖 BI 业务分析、留存 / 转化 / 同期群分析、数据探索 EDA、统计建模、定量计算、元数据查询、数据查询。命中任一即触发：(1) 直接索要指标或记录，如「DAU 多少」「上月销售额」「3…

agentscope-ai/QwenPaw-Data

Read this before writing any RavenDB query, client call or /databases/ request.

ravendb/docs

A skill your agent uses when creating database schemas or tables for Timescale, TimescaleDB, TigerData, or Tiger Cloud, especially for time-series, IoT, metrics, events, or log data.

timescale/pg-aiguide

Develop Forge business approval workflows backed by Flowable, using the current sample purchase order approval as the reference.

yaomindong1996/forge-admin

Load this FIRST whenever working with PyTorch CI data (any pytorch/ org repo), the torchci/HUD codebase, or the PyTorch HUD ClickHouse database.

pytorch/test-infra

Build and modify Studio Explorer surfaces, including notebooks, chats, SQL snippets, query cells, and their shared toolbar patterns.

supabase/supabase

Run a custom investigation: review a chosen slice of conversations instead of a random sample, by writing a SQL selector over the observed agent's telemetry, and optionally narrow what the reviewer…

google/adk-recipes

A skill your agent uses for any PostgreSQL database work — table design, indexing, data types, constraints, extensions (pgvector, PostGIS, TimescaleDB), search, and migrations.

timescale/pg-aiguide

Granola archive: search, sync freshness, notes, transcripts, panels, SQL counts, and Graincrawl repo work.

openclaw/openclaw

Notion archive: search, sync freshness, pages/databases, Markdown exports, SQL counts, and Notcrawl repo work.

openclaw/openclaw

Slack archive: search, sync freshness, threads/DMs, SQL counts, and Slacrawl repo work.

openclaw/openclaw

Plans and runs Lunora schema and data migrations with the widen → migrate → narrow pattern.

anolilab/lunora

Designs database schemas, indexing strategies, query optimization, and migration patterns for SQL and NoSQL databases.

CloudAI-X/claude-workflow-v2

Activate this skill for DataJunction (DJ) semantic modeling decisions — choosing the right node shape (fact, dimension, transform, metric, cube), turning a draft SQL query into well-designed nodes…

DataJunction/dj

Analytics engineering across data modeling, dbt, transformation, and semantic layers.

borghei/Claude-Skills

Master modern SQL with cloud-native databases, OLTP/OLAP optimization, and advanced query techniques.

davila7/claude-code-templates

Rocky DSL (.rocky file) cross-subproject cascade. An agent skill from rocky-data/rocky.

rocky-data/rocky

Optimize and improve the performance of slow Entity Framework Core (EF Core) queries: make them generate less SQL, make fewer database round-trips, and return results faster.

dotnet/skills

Oracle Database guidance for SQL, PL/SQL, SQLcl, ORDS, Oracle Vector SDK, administration, app development, performance, security, migrations, and agent-safe database workflows.

oracle/skills