Agent skills

Databases skills

Read straight from the source repositories, not from submitted listings. Every skill shows what it does, what is inside, where it came from — and whether attention around its source is actually growing.

Toolclaude-code 28,838codex 6,583cursor 4,244copilot 1,341windsurf 73cline 44
CategoryAI & Agents 4,188Data & Analytics 3,152Code Review & Quality 1,857Backend & API 1,737Security 1,624Workflow & Productivity 1,614Documentation 1,361Design & Presentation 1,327Content & Marketing 1,213Testing & QA 1,074DevOps & Cloud 783Databases 735Frontend 623Business & Finance 447Media & Video 349Other 7,916
1,110 found
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paperclipSearch and read full-text biomedical papers, FDA/PMDA/EMA regulatory documents, clinical trial registries, and UniProt/PDB/ChEMBL…K-Dense-AIwritespolarsHigh-performance DataFrame library for Python ETL, analytics, and pandas migration. Use for expression-based data manipulation…K-Dense-AIpostgresql-cliPostgreSQL interactive terminal (psql) reference and usage guide. Use this skill whenever the user mentions psql, PostgreSQL…sickn33scientific-writingCore skill for the deep research and writing tool. Write scientific manuscripts in full paragraphs (never bullet points). Use…brycewang-stanfordwritessuede-revopsSuede-owned revenue-operations discipline. Use when defining lead scoring and routing, MQL or SQL criteria, pipeline stages, CRM…JasonColapietrosupabase-cost-tuningOptimize Supabase costs through plan selection, database tuning, storage cleanup, connection pooling, and Edge Function…jeremylongshorewritessystem-designDesign scalable distributed systems using structured approaches for load balancing, caching, database scaling, and message…wondelait-initInitialize a full-stack project skeleton with Rust backend (Axum + SeaORM + Redis) and React frontend (TypeScript + TanStack +…timzaakwritestinystruct-patternsExpert guidance for developing with the tinystruct Java framework. Use when working on the tinystruct codebase or any project…mturacwp-guardReview generated or changed WordPress code — plugins, themes, and blocks — before it ships. Best used reactively after an agent…amElnagdyarchitecture-designerUse when designing new high-level system architecture, reviewing existing designs, or making architectural decisions. Invoke to…Jeffallancsharp-developerUse when building C# applications with .NET 8+, ASP.NET Core APIs, or Blazor web apps. Builds REST APIs using minimal or…Jeffallandatabase-optimizerOptimizes database queries and improves performance across PostgreSQL and MySQL systems. Use when investigating slow queries…Jeffallanefcore-d2-db-diagramGenerate D2 database diagrams from Entity Framework Core models. USE FOR: EF Core database diagram, Entity Framework Core ERD…githubeu-ai-actEU AI Act (Regulation (EU) 2024/1689) compliance advisor — risk classification across all four tiers, all 9 prohibited practices…lawve-aifigma-upgrade-migrationHandle Figma REST API scope changes, deprecations, and migration tasks. Use when migrating from deprecated scopes, updating…jeremylongshorewritesgolang-databaseComprehensive guide for Go database access — parameterized queries, struct scanning, NULLable columns, transactions, isolation…samberwritesklingai-upgrade-migrationMigrate between Kling AI model versions safely. Use when upgrading from v1.x to v2.x or adopting new features. Trigger with…jeremylongshorewriteslangchain-langgraph-agentsBuild a correct LangGraph 1.0 ReAct agent with `create_react_agent`\ \ \u2014 typed tools,\nerror propagation, recursion caps…jeremylongshorewriteslangchain-langgraph-checkpointingPersist LangGraph agent state correctly with MemorySaver and PostgresSaver\ \ \u2014\nthread_id discipline, JSON-serializable…jeremylongshorewriteslangchain-rate-limitsRate-limit LangChain 1.0 calls correctly across multi-worker deployments\ \ \u2014\nRedis-backed limiters, asyncio.Semaphore…jeremylongshorewriteslangchain-upgrade-migrationMigrate a LangChain 0.3.x Python codebase to LangChain 1.0 / LangGraph\ \ 1.0 without\nbreaking production \u2014 named breaking…jeremylongshorewriteslangchain-webhooks-eventsDispatch LangChain 1.0 chain/agent events to external systems \u2014\ \ webhooks, Kafka,\nRedis Streams, SNS \u2014 via async…jeremylongshorewriteslegacy-modernizerDesigns incremental migration strategies, identifies service boundaries, produces dependency maps and migration roadmaps, and…Jeffallanmatlab-read-databaseReads data from relational databases using MATLAB Database Toolbox pushdown capabilities. Use when importing data from JDBC/ODBC…matlabmatlab-write-databaseWrites data from MATLAB to relational databases and performs database operations. Use when writing data with sqlwrite, updating…matlabmigrate-nullable-referencesEnable nullable reference types in a C# project and systematically resolve all warnings. USE FOR: adopting NRTs in existing…dotnetopenrouter-openai-compatMigrate from OpenAI to OpenRouter with minimal code changes. Use when switching to OpenRouter or maintaining dual compatibility.…jeremylongshorewritespostgres-proUse when optimizing PostgreSQL queries, configuring replication, or implementing advanced database features. Invoke for EXPLAIN…Jeffallanscientific-writingCore skill for the deep research and writing tool. Write scientific manuscripts in full paragraphs (never bullet points). Use…FreedomIntelligencewritesspark-engineerUse when writing Spark jobs, debugging performance issues, or configuring cluster settings for Apache Spark applications…Jeffallansql-proOptimizes SQL queries, designs database schemas, and troubleshoots performance issues. Use when a user asks why their query is…Jeffallanwebsocket-engineerUse when building real-time communication systems with WebSockets or Socket.IO. Invoke for bidirectional messaging, horizontal…Jeffallanslr-prismaGuide users through writing a systematic literature review (SLR) following the PRISMA 2020 framework. Use this skill whenever the…brycewang-stanfordapp-clipsBuild iOS App Clips with invocation URLs, App Clip Codes, NFC, QR codes, Safari banners, Maps, Messages, target setup, App Store…dpearson2699dolt-mcp-vcsUniversal Dolt version-control workflow. Step 0 auto-detects what kind of Dolt stack is present — every make and model (classic…jeremylongshorehubspot-warehouse-syncSync HubSpot CRM data to a data warehouse (BigQuery, Snowflake, or Postgres) for analytics and reporting. Covers initial backfill…jeremylongshorewritesmatlab-connect-databricks-jdbcConnects MATLAB to Databricks using JDBC drivers via Database Toolbox. Use when creating a JDBC connection to a Databricks…matlabrevopsWhen the user wants help with revenue operations, lead lifecycle management, or marketing-to-sales handoff processes. Also use…Infrasity-Labssentry-migration-deep-diveMigrate to Sentry from other error tracking tools like Rollbar, Bugsnag, or New Relic. Use when replacing an existing error…jeremylongshorewritessentry-upgrade-migrationUpgrade Sentry SDK versions and migrate breaking API changes. Use when upgrading from Sentry v7 to v8, migrating Python SDK v1 to…jeremylongshorewritesshopify-migration-deep-diveMigrate e-commerce data to Shopify using bulk operations, product imports, and the strangler fig pattern for gradual platform…jeremylongshorewritesshopify-reference-architectureImplement Shopify app reference architecture with Remix, Prisma session storage, and the official app template patterns. Use when…jeremylongshoresupabase-multi-env-setupConfigure Supabase across development, staging, and production with separate projects, environment-specific secrets, and safe…jeremylongshorewriteswindsurf-refactoring-largeManage large-scale refactoring with Cascade coordination. Activate when users mention "large refactoring", "codebase migration"…jeremylongshorewritesagentsop-query-routingEnhancement-overlay SOP for query-type routing — sending a query to the right index / tool / engine *before* retrieving, not…agentsopealpha-evolveUse when the user wants to evolve an ML model/program through population-based search rather than a single sequential refine loop…gaasherbio-pathway-kegg-pathwaysKEGG pathway and module enrichment analysis using clusterProfiler enrichKEGG and enrichMKEGG. Use when identifying metabolic and…FreedomIntelligence
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How the catalog works
What is an agent skill?

A folder with a SKILL.md inside — instructions, and often scripts and assets, that an AI agent loads when the task matches. Claude Code, Codex, Cursor and Copilot all read the same format, so one skill usually works across them.

Where does this catalog come from?

We read 660 source repositories straight from their file trees rather than from submitted listings — what you see is what is actually published. 98 repositories were rejected because they advertise skills but contain none: link lists, not folders.

Why is there no install counter?

Because install counts live in the registry that serves `npx skills add`, and that is not ours — publishing a number we cannot verify would be worse than showing none. Instead we show where a skill comes from and whether attention around its source is actually growing, measured from our own weekly snapshots.

Do you deduplicate?

Yes, and it matters more than expected. Aggregator repositories republish the same skill in several places — one source carried 6,317 SKILL.md files for 2,001 actual skills. We collapse by folder name and keep the canonical copy, so the catalog counts things, not copies.

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