Best query optimization skills for Claude Code, Codex and other agents.

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

Apply this skill whenever writing, reviewing, or refactoring Laravel PHP code.

anonaddy/anonaddy

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

Explain research papers to readers without a specialist background: what the paper studies, what the authors contribute, how the findings follow, and what the evidence does not establish.

lijigang/ljg-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

WordPress performance code review and optimization analysis.

elvismdev/claude-wordpress-skills

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

Checklist for reviewing code changes that touch queries, APIs, rendering, caching or algorithms for performance, scalability and resource-usage problems.

ZeroDeng01/sublinkPro

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

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

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

ynulihao/AgentSkillOS

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

2025Emma/vibe-coding-cn

ClawMem operational reference for agents at query time — the 3-rule escalation gate, MCP tool routing, the 4 query-optimization levers, pipeline behavior (query vs intentsearch), composite scoring…

yoloshii/ClawMem

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

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

OpenDCAI/DataMind

Production patterns for Convex apps and the rules the @convex-dev/eslint-plugin enforces: validators, indexes, idempotent mutations, avoiding OCC conflicts, thin function wrappers, error handling.

waynesutton/builder-skills

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

planetscale/database-skills

Reviews WordPress plugin, theme and block code after an agent writes or edits it, catching missing escaping, nonces, capability checks and unprepared queries.

amElnagdy/guard-skills

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

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

google/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

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