Databases · SQL

Staff+ DBA SQL patterns targeting what Claude's defaults miss - multi-column statistics, operator classes, keyset pagination, silent performance anti-patterns.

rileyhilliard/claude-essentials

Use Dune MCP through UXC for blockchain table discovery, SQL query creation/execution, execution result retrieval, and visualization with help-first schema inspection, explicit auth binding, and…

holon-run/uxc

Design data systems by understanding storage engines, replication, partitioning, transactions, and consistency models.

wondelai/skills

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

matlab/matlab-agentic-toolkit

Change Compozy SQLite tables, columns, indexes, constraints, triggers, or seed data under internal/store using append-only Goose migrations and owning generators.

compozy/compozy

Database design and migration patterns for Alembic migrations, schema design (SQL/NoSQL), and database versioning.

yonatangross/orchestkit

Generates SvelteKit + sql.js dashboards with LLM-built UI. An agent skill from pawbytes/skill-suites.

pawbytes/skill-suites

SQL query optimization and database performance specialist. An agent skill from aiskillstore/marketplace.

aiskillstore/marketplace

Quick reference for common SQL patterns, CTEs, window functions, and indexing strategies.

aiskillstore/marketplace

Guidance for SQL query optimization tasks. An agent skill from lazyFrogLOL/Harness_Engineering.

lazyFrogLOL/Harness_Engineering

Optimize EF Core (Npgsql/PostgreSQL) queries in the .NET API — fix N+1, choose tracking modes, use compiled queries, split queries, and avoid translation traps.

atherio-danp/cde-dotnetcc

Run Neo4j Graph Analytics algorithms (PageRank, Louvain, WCC, Dijkstra, KNN, Node2Vec, FastRP, GraphSAGE) directly inside Snowflake without moving data.

neo4j-contrib/neo4j-skills

A skill your agent uses when adding a new feature or changing an existing one that surfaces data in the dashboard — the demo org (app.getgram.ai/explore-demo) must show it — and when editing or…

speakeasy-api/gram

GORM v2 最佳实践与性能优化。适用于：代码审查、慢查询优化、N+1、连接池、 事务管理、分库分表、Prometheus/OTel监控、Session安全、Clause/Upsert、 缓存集成、BaseModel脚手架、SQL→struct生成、多租户隔离。

LeoYeAI/openclaw-master-skills

Optimize accuracy for RAG (Retrieval-Augmented Generation) systems.

LeoYeAI/openclaw-master-skills

Guides an end-to-end data-warehouse migration to Amazon Redshift — discovery, schema/SQL/stored-procedure/macro/script conversion, data migration, validation, performance comparison, and reporting.

aws/agent-toolkit-for-aws

Amazon Redshift is NOT PostgreSQL — corrects PostgreSQL-derived LLM mistakes; covers Redshift-specific SQL, DDL, COPY/UNLOAD, system views, metadata discovery, and operational patterns.

aws/agent-toolkit-for-aws

Analyze cluster data and metrics using raw SQL recipes against system.querylog and system.parts when no dedicated tool exists.

chmonitor/chmonitor

Exact column names for the system tables the agent queries most (processes, querylog, parts, merges, mutations, replicas, replicationqueue, disks, settings, zookeeper, users/grants, metrics) plus…

chmonitor/chmonitor

Injection vulnerability testing - SQL, NoSQL, OS Command, SSTI, XXE, and LDAP/XPath injection techniques.

transilienceai/communitytools

Validate database integrity, test migrations forward and backward, verify schema constraints, manage seed data, detect migration drift, and identify query performance issues.

petrkindlmann/qa-skills

SQL 版归因分析技能。当用户问为什么、指标异常、趋势下滑/增长、KPI 未达标、营收/订单/转化/成本波动时使用. An agent skill from zj-unicom-ai/UniEmployee.

zj-unicom-ai/UniEmployee

Show the provenance trace, linking every reported number to the SQL that produced it with a confidence badge.

ai-analyst-lab/ai-analyst

标准 SOP：OceanBase 集群侧（observer/election/rootservice）日志采集、过滤与 analyze 解读。用户要收集日志、traceid/关键词过滤、分析错误栈或慢 SQL 在 observer 日志中的线索时使用。OBProxy 日志请用 obproxy-log-analysis。

oceanbase/obdiag

Implement database access, models and queries with explicit consistency, transactions and bounded results.

WrongStack/WrongStack

A skill your agent uses to design the data model AND generate the actual forward + rollback migrations in one pass — shippable SQL, not a plan.

genkovich/sdd

Author an openfddpackagev1 zip for any BAS job: equipType, Haystack points to SQL roles, weather sidecar, motor vs compressor vs valve.

bbartling/open-fdd

A skill your agent uses when working on production DataFusion SQL FDD: sqlrules registry, central /api/fdd/run, parity with pandas oracle, no pandas in central.

bbartling/open-fdd

| Type-safe ORM for Cloudflare D1 databases using Drizzle. An agent skill from secondsky/claude-skills.

secondsky/claude-skills

A skill your agent uses when the user wants to iteratively improve an artifact under a hard correctness bound while minimizing a measured cost — refactoring a code module to cut complexity while its…

gaasher/Agent-Loop-Skills

Routes Snowflake-related operations to Cortex Code CLI for specialized Snowflake expertise.

Kilo-Org/kilo-marketplace

Debug a customer's data warehouse source, schema, or table from a support ticket, using PostHog's own production data.

PostHog/posthog

Tidewave MCP runtime tools — debugging, smoke testing, live state inspection, SQL queries, hex docs.

oliver-kriska/claude-elixir-phoenix

Анализ журнала регистрации и технологического журнала 1С. An agent skill from IngvarConsulting/unica.

IngvarConsulting/unica

Оптимизация запросов 1С и СКД. An agent skill from IngvarConsulting/unica.

IngvarConsulting/unica

Connect to MySQL and run read-only queries to inspect table data.

hashgraph-online/awesome-codex-plugins

Insert, query, and aggregate data in ClickHouse with real SQL patterns.

jeremylongshore/tons-of-skills-marketplace

Handle data lifecycle in ClickHouse — TTL expiration, data deletion (GDPR), column-level encryption, and audit logging with real ClickHouse SQL.

jeremylongshore/tons-of-skills-marketplace

Configure ClickHouse enterprise RBAC — SQL-based users, roles, row policies, column-level grants, and quota management.

jeremylongshore/tons-of-skills-marketplace

Execute ClickHouse schema migrations — ALTER TABLE operations, data migration between engines, versioned migration runners, and zero-downtime schema changes.

jeremylongshore/tons-of-skills-marketplace

Secure ClickHouse with user management, network restrictions, TLS, and audit logging.

jeremylongshore/tons-of-skills-marketplace

Data exploration and analysis partner for Product Managers. An agent skill from jeremylongshore/tons-of-skills-marketplace.

jeremylongshore/tons-of-skills-marketplace

Deep Supabase diagnostics: pgstatstatements for slow queries, lock debugging with pglocks, connection leak detection, RLS policy conflicts, Edge Function cold starts, and Realtime connection drop…

jeremylongshore/tons-of-skills-marketplace

探索 SQLite 或 PostgreSQL 数据库，执行安全只读查询，提供表列表、详细表结构（列/类型/约束/索引）、数据预览，并生成 Mermaid ER 图。当用户需要查看数据库架构、探索表关系、预览数据、执行只读查询，或提及 schema、ER 图、SQL 查询、数据预览、describe table、数据库探索等关键词时触发。

rongxinzy/RongxinAI

帮助用户编写和优化 SQL 查询，包括将自然语言转换为 SQL、提供查询优化建议以及解读 EXPLAIN 执行计划。当用户需要 SQL 相关帮助时触发，例如直接请求“自然语言转SQL”、“帮我优化这条SQL”、“解释一下这个执行计划”，或提及关键词如 NL2SQL、SQL优化、慢查询、索引建议、全表扫描、SQL调优，以及支持 SQLite 和 PostgreSQL 数据库时。

rongxinzy/RongxinAI

Connect a Mendix app to an external database over JDBC with the External Database Connector, and define the queries microflows run against it.

mendixlabs/mxcli

Assess and migrate Oracle Forms applications to Mendix — .fmb forms to pages, PL/SQL to microflows, and a staged migration strategy.

mendixlabs/mxcli

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