Databases · Query optimization

Gives the agent Postgres rules to consult before writing or changing tables, queries, indexes, RLS policies or migrations, and when diagnosing slow queries.

supabase/agent-skills

Benchmarks Django ORM filters in Saleor by generating bulk data, extracting the SQL and running EXPLAIN ANALYZE to check index usage.

saleor/saleor

Guides safe, measurable MySQL and InnoDB changes across schema design, indexing, query tuning, transactions, locking and replication, with rollout steps.

planetscale/database-skills

Iterate on Vortex vx-bench query performance with benchmark comparisons, engine-specific benchmark flags, RUSTLOG/tracing/metrics/explain output, and Samply profiles.

vortex-data/vortex

ClickHouse database patterns, query optimization, analytics, and data engineering best practices for high-performance analytical workloads.

hellangleZ/burn-in-cceverywhere-ralph

Indexes reference files on Postgres schema design, indexing, partitioning, query patterns, MVCC and VACUUM, and PlanetScale-specific operations.

planetscale/database-skills

A skill your agent uses when investigating or improving WordPress performance (backend-only agent): profiling and measurement (WP-CLI profile/doctor, Server-Timing, Query Monitor via REST headers)…

gambitph/Stackable

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

ynulihao/AgentSkillOS

Help with MongoDB query optimization and indexing. An agent skill from mongodb/agent-skills.

mongodb/agent-skills

从论文 PDF 文件或论文 PDF URL 生成通俗易懂、图文并茂、带批判性评估的中文 Markdown 解读，并保存到当前项目的 markdown 目录。Use when the user asks to interpret,精读,解读,summarize,explain,analyze, or write an article from an academic paper PDF…

digoal/blog

Query Cloud Trace spans, filter by latency thresholds or error status, correlate distributed traces with Cloud Logging, and diagnose latency bottlenecks across Google Cloud services.

google/skills

PostgreSQL database documentation - SQL queries, database design, administration, performance tuning, and advanced features. Use when working with…

2025Emma/vibe-coding-cn

Specialized skill for working in the fdb-relational-core SQL processing layer — parser, plan generator, and Cascades planner.

FoundationDB/fdb-record-layer

Query ClickHouse system tables to inspect query logs, monitor cluster health, check replication status, and analyze slow queries.

FrankChen021/datastoria

Guidance on Vitess sharding, VSchema design, query tuning and connection problems for MySQL-compatible databases running on PlanetScale.

planetscale/database-skills

Database operations runbook — backup, recovery, performance tuning, troubleshooting.

OpenDCAI/DataMind

Designs and debugs Elixir persistence with Ecto: schemas, changesets, queries, preloads, migrations and multi-tenancy, kept within application contexts.

georgeguimaraes/elixir-agent-tools

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

marin-community/marin

Guides scalability and performance work for VeloxDB's Tauri + Rust PostgreSQL backend and React + TanStack frontend.

veloxbase/veloxdb

Generates, optimizes, and validates Cypher 25 queries for Neo4j 2025.x and 2026.x.

neo4j-contrib/neo4j-skills

Domain-first store/port design for any codebase: product-shaped APIs, swappable backends, schema at boundaries, one vocabulary catalog (derive don’t re-author), no infrastructure names on the domain…

TryCaspian/caspian-sdk

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

Design, refactor and diagnose Paro's staged optimizer, using EXPLAIN COMPILE for planning and EXPLAIN ANALYZE for execution.

zunor/paro

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

revfactory/claude-code-harness

Analyze Django Silk profiling data to debug slow requests, detect N+1 queries, and optimize database performance.

letsrevel/revel-backend

MUST USE when investigating performance issues on a ClickHouse-managed Postgres instance.

ClickHouse/agent-skills

Use QueryPlanSnapshotCli to capture and compare RDF4J query plans, then assess likely performance improvements/regressions from execution verification and semantic plan diffs.

eclipse-rdf4j/rdf4j

Applies ClawHub's repository-specific Convex rules and routes work to the right managed Convex skill for performance, migrations, retention and deployments.

openclaw/clawhub

Covers building read models and materialized views from event streams in CQRS and event-sourced systems, including live, catch-up, persistent and inline projections.

wshobson/agents

WordPress ACF and content modeling review. An agent skill from jorgerosal/wordpress-skills.

jorgerosal/wordpress-skills

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

Design database schemas with Prisma/Drizzle, PostgreSQL index strategy (B-tree, GIN, GiST, BRIN, Hash), query optimization (EXPLAIN ANALYZE), migration safety (expand/contract, zero-downtime), and…

EliasOulkadi/shokunin

JPA/Hibernate patterns for entity design, relationships, query optimization, transactions, auditing, indexing, pagination, and pooling in Spring Boot.

affaan-m/ECC

Analyzes BigQuery slot use, query costs and execution bottlenecks from INFORMATION_SCHEMA to diagnose slow queries, slot contention and unpartitioned scans.

google/skills

A skill your agent uses when optimizing Apple Mail MCP operations, diagnosing slow queries, adding new filtering logic, or modifying how data is fetched from Mail.app.

s-morgan-jeffries/apple-mail-fast-mcp

Identifies and fixes Rails performance issues including N+1 queries, slow queries, and memory problems.

ThibautBaissac/rails_ai_agents

CloudBase PostgreSQL access-pattern and slow-query quality guidance.

TencentCloudBase/CloudBase-AI-Toolkit

Flags and fixes performance issues in WooCommerce PHP code: missing post cache priming, uncached option lookups in loops, and inefficient SQL query patterns.

woocommerce/woocommerce

Database guidance for PostgreSQL, MongoDB, Redis and Oracle plus Neon, Supabase and Firestore: schema design, indexing, query tuning and cloud database choice.

modu-ai/moai-adk

PostgreSQL database patterns for query optimization, schema design, indexing, and security.

ThibautBaissac/rails_ai_agents

Audit, diagnose, rewrite, creatively brief, test, and safely prepare updates for Amazon product detail pages using live marketplace and product-type requirements, verified product facts, Brand…

xjli360/sealeap-amazon-skills

This skill should be used whenever the user mentions a "semantic model", "data model", or "dataset", or asks to "build", "model", "design", "optimize", "review", or "audit" one, or to "add a…

data-goblin/power-bi-agentic-development

Diagnose and fix common Cartography intel-module errors — ModuleNotFoundError, PropertyRef validation failed, GraphJob failed, missing relationships, MatchLink misses, cleanup deleting too much…

cartography-cncf/cartography

A skill your agent uses when modifying Prisma schema or database queries.

programming-in-th/programming.in.th

PostgreSQL query optimization, JSONB operations, advanced indexing strategies, partitioning, connection management, and database administration.

cin12211/orca-q

Analyze Drift / SQLite slow-query and super-slow-query logs against this app's known stall patterns (read waves, N+1, transaction scoping, MultiExecutor contention, WAL/OS factors)

matthiasn/lotti

Expert database optimizer specializing in modern performance tuning, query optimization, and scalable architectures.

davila7/claude-code-templates

Measures what a ClickHouse query change actually costs, turning a suspicion that a query is slow into numbers a reviewer can act on before it merges.

comet-ml/opik