Ask your database questions (SQL)
Write and check SQL from a plain-English question.
- Make sense of a spreadsheet
- Clean up messy data
- Make charts and dashboards
- Ask your database questions (SQL)
- Build financial models and forecasts
Need more than one? The Spreadsheets and data stack — 6 skills for this kind of work, added in one go.
- sql-queries
Write correct, performant SQL across all major data warehouse dialects (Snowflake, BigQuery, Databricks, PostgreSQL, etc.).
Why this one: Correct SQL across Snowflake, BigQuery, Postgres and more
- sql-optimization-patterns
Master SQL query optimization, indexing strategies, and EXPLAIN analysis to dramatically improve database performance and eliminate slow queries.
- sql-index-tuning
Diagnose slow SQL queries and add the right indexes without over-indexing — B-tree mechanics, composite ordering (equality-before-range),…
- write-query
Write optimized SQL for your dialect with best practices.
- sql-insight
Translate natural language to SQL, optimize query performance, and interpret EXPLAIN plans for SQLite and PostgreSQL.
- sql-optimization
Universal SQL performance optimization assistant for comprehensive query tuning, indexing strategies, and database performance analysis across all SQL databases (MySQL, PostgreSQL, SQL Server, Oracle).
- historic_sql_patterns
Identify recurring cross-table historic-SQL analytical intents from a bounded pattern shard and emit typed pattern evidence for deterministic wiki…
- historic_sql_table_digest
Convert one changed historic-SQL table usage bucket into typed table usage evidence for deterministic _schema projection.
- ggsql
Write ggsql queries — a grammar of graphics for SQL.
- code-nest-project-spec
Code-Nest 多模块全栈项目协作规范与落点导航。Use when modifying this repository for feature development, bug fixing, refactor, API change, SQL migration, or…
- data-scientist
Expert data processing specialist with intelligent DuckDB/Polars selection for maximum performance.
- database-design
Designs database schemas, indexing strategies, query optimization, and migration patterns for SQL and NoSQL databases.
See all 27 for “Ask your database questions (SQL)”
Connectors (MCP servers) link your AI to an outside tool or service — a different kind of add-on from a skill.
- com.keboola/mcp
Connect your AI assistants to Keboola and expose your data, transformations, SQL queries, ...
- Midplane
Safe-by-default SQL guardrails for AI agents: AST-checked queries, per-table policy, audit log.
- Camber - Remote Agentic Data Science
Remote data science agents for Snowflake, Databricks & BigQuery in Claude/Cursor via MCP
- com.falkordb/QueryWeaver
An MCP server for Text2SQL: transforms natural language into SQL using graph schema understanding.