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Claude Skills

The open format is called Agent Skills and works in Claude Code, Codex, Cursor and other agents — most people know it as Claude Skills.

Every Agent Skill we could find on GitHub, deduplicated by content. 79 404 files from 1 741 authors, of which 61 763 are unique — the rest is the same skill repackaged into someone else's repository. For each one: what it weighs in tokens, whether it ships runnable scripts, and which MCP servers it needs.

61 763
unique skills
out of 79 404 files found on GitHub
17 641
are copies
same content, someone else's repository
1 737
tokens, median
what a typical skill costs you in context
7 882
name collisions
two skills with one name cannot sit side by side

54 781–54 840 of 61 763

page 914 of 1 030
Data Lineage Tracker
by ComeOnOliver

| Data Lineage Tracker - Auto-activating skill for Data Pipelines. Part of the Data Pipelines skill category.

317 tokens
Data Normalization Tool
by ComeOnOliver

| Data Normalization Tool - Auto-activating skill for ML Training. Part of the ML Training skill category.

329 tokens
Data Partitioner
by ComeOnOliver

| Data Partitioner - Auto-activating skill for Data Pipelines. Part of the Data Pipelines skill category.

305 tokens
Preprocessing Data With Automated Pipelines
by ComeOnOliver

| This skill empowers Claude to preprocess and clean data using automated pipelines. It is designed to streamline data preparation for machine learning tasks, implementing best practices for data validation, transformation, and error handling. Claude should use this skill when the user requests data preprocessing, data cleaning, ETL tasks, or mentions the need for automated pipelines for data preparation. Trigger terms include "preprocess data", "clean data", "ETL pipeline", "data transformation", and "data validation". The skill ensures data quality and prepares it for effective analysis and model training.

892 tokens
Scanning For Data Privacy Issues
by ComeOnOliver

| This skill enables Claude to automatically scan code and configuration files for potential data privacy vulnerabilities using the data-privacy-scanner plugin. It identifies sensitive data exposure, compliance violations, and other privacy-related risks. Use this skill when the user requests to "scan for data privacy issues", "check privacy compliance", "find PII leaks", "identify GDPR violations", or needs a "privacy audit" of their codebase. The skill is most effective when used on projects involving personal data, financial information, or health records.

776 tokens
Data Quality Checker
by ComeOnOliver

| Data Quality Checker - Auto-activating skill for Data Pipelines. Part of the Data Pipelines skill category.

317 tokens
Generating Database Seed Data
by ComeOnOliver

| This skill enables Claude to generate realistic test data and database seed scripts for development and testing environments. It uses Faker libraries to create realistic data, maintains relational integrity, and allows configurable data volumes. Use this skill when you need to quickly populate a database with sample data for development, testing, or demonstration purposes. The skill is triggered by phrases like "seed database", "generate test data", "create seed script", or "populate database with realistic data".

805 tokens
Data Story Outliner
by ComeOnOliver

| Data Story Outliner - Auto-activating skill for Data Analytics. Part of the Data Analytics skill category.

314 tokens
Validating Database Integrity
by ComeOnOliver

| This skill utilizes the data-validation-engine plugin to ensure database integrity. It automatically validates data types, ranges, formats, referential integrity, and business rules. Use this skill when you need to implement data validation, enforce constraints, or improve data quality within a database. It is triggered by requests for "data validation", "database integrity", or "validation rules". The plugin supports multi-database environments and production-ready implementations.

792 tokens
Creating Data Visualizations
by ComeOnOliver

| This skill enables Claude to generate data visualizations, plots, charts, and graphs from provided data. It analyzes the data, selects the most appropriate visualization type, and creates a visually appealing and informative graphic. Use this skill when the user requests a visualization, plot, chart, or graph; when data needs to be presented visually; or when exploring data patterns. The skill is triggered by requests for "visualization", "plot", "chart", or "graph".

645 tokens
Data Visualization Helper
by ComeOnOliver

| Data Visualization Helper - Auto-activating skill for Visual Content. Part of the Visual Content skill category.

330 tokens
Archiving Databases
by ComeOnOliver

| This skill automates database archival processes. It helps reduce primary database size by moving historical records to archive tables or cold storage solutions like S3, Azure Blob, or GCS. The plugin supports PostgreSQL and MySQL, implementing automated retention policies, compression, compliance tracking, and zero-downtime migration. Use this when the user mentions "database archival", "archive old database records", "retention policies", "cold storage", or "reduce database size." It is particularly useful for handling requests related to data lifecycle management and compliance requirements in database systems.

796 tokens
Implementing Database Audit Logging
by ComeOnOliver

| This skill helps implement database audit logging for tracking changes and ensuring compliance. It is triggered when the user requests to "implement database audit logging", "add audit trails", "track database changes", or mentions "audit_log" in relation to a database. The skill provides options for trigger-based auditing, application-level logging, Change Data Capture (CDC), and parsing database logs. It generates a basic audit table schema and guides the user through selecting the appropriate auditing strategy.

753 tokens
Automating Database Backups
by ComeOnOliver

| This skill automates database backups using the database-backup-automator plugin. It creates scripts for scheduled backups, compression, encryption, and restore procedures across PostgreSQL, MySQL, MongoDB, and SQLite. Use this when the user requests database backup automation, disaster recovery planning, setting up backup schedules, or creating restore procedures. The skill is triggered by phrases like "create database backup", "automate database backups", "setup backup schedule", or "generate restore procedure".

610 tokens
Implementing Database Caching
by ComeOnOliver

| This skill enables Claude to implement multi-tier database caching solutions. It is triggered when the user requests database caching, performance improvements, or reduced database load. The skill utilizes Redis, in-memory caching, and CDN layers to optimize database performance by reducing database load, improving query latency, and supporting horizontal scaling with cache-aside, write-through, and read-through patterns. Use this skill when the user mentions terms like "database caching", "improve database performance", "reduce database load", or uses the `/caching` command.

714 tokens
Optimizing Database Connection Pooling
by ComeOnOliver

| This skill optimizes database connection pooling for enhanced performance and resource management. It is activated when the user requests assistance with connection pooling, database performance tuning, or connection lifecycle management. Use this skill to implement and configure connection pools in various programming languages, identify optimal pool settings, and troubleshoot common connection-related issues. The skill is triggered by phrases like "connection pooling," "optimize database connections," or "improve database performance with connection pool."

747 tokens
Detecting Database Deadlocks
by ComeOnOliver

| This skill uses the database-deadlock-detector plugin to detect, analyze, and prevent database deadlocks. It monitors database lock contention, analyzes transaction patterns, and suggests resolution strategies. Use this skill when the user asks to "detect database deadlocks", "analyze deadlock causes", "monitor database locks", or any requests related to database deadlock prevention and resolution. This skill is particularly useful for production database systems experiencing recurring deadlock issues. The plugin's command `/deadlock` is triggered by these requests.

727 tokens
Comparing Database Schemas
by ComeOnOliver

| This skill leverages the database-diff-tool plugin to compare database schemas, generate migration scripts, and provide rollback procedures. It is triggered when the user requests database schema comparisons, migration script generation, or database synchronization. Use this skill when asked to identify differences between database schemas (PostgreSQL or MySQL), create safe migration scripts with transaction safety, validate changes before deployment, or generate rollback procedures. The skill is activated by requests involving terms like "database diff", "schema comparison", "generate migration script", "database synchronization", or `/db-diff`.

883 tokens
Database Documentation Gen
by ComeOnOliver

| Process use when you need to work with database documentation. This skill provides automated documentation generation with comprehensive guidance and automation. Trigger with phrases like "generate docs", "document schema", or "create database documentation".

2k tokens
Monitoring Database Health
by ComeOnOliver

| This skill enables Claude to monitor database health using real-time metrics, predictive alerts, and automated remediation. It's designed for production-grade database health monitoring for PostgreSQL and MySQL, detecting performance degradation, resource exhaustion, and replication issues. Use this skill when the user requests to monitor database health, check database performance, receive database alerts, or automate database remediation. The skill is triggered by phrases like "check database health", "monitor database performance", "database health check", or "/health-check".

769 tokens
Analyzing Database Indexes
by ComeOnOliver

| This skill uses the database-index-advisor plugin to analyze query patterns and recommend optimal database indexes. It identifies missing indexes to improve query performance and unused indexes that can be removed to save storage and improve write performance. Use this skill when the user asks to "analyze database indexes", "optimize slow queries", "find missing indexes", "remove unused indexes", or requests help with "database index optimization". The plugin analyzes database workloads, detects potential indexing issues, and provides actionable recommendations for indexing strategies.

732 tokens
Managing Database Migrations
by ComeOnOliver

| This skill enables Claude to manage database schema changes through version-controlled migrations. It is activated when the user requests to create, apply, or rollback database migrations. The skill supports generating timestamped migration files with both up and down migrations for PostgreSQL, MySQL, SQLite, and MongoDB. It helps in tracking schema evolution and ensuring safe database modifications. Use this skill when the user mentions "database migration", "schema change", "add column", "rollback migration", or "create migration".

669 tokens
Managing Database Partitions
by ComeOnOliver

| This skill enables Claude to design, implement, and manage table partitioning strategies for large databases. It is triggered when the user needs to optimize query performance, manage time-series data, or reduce maintenance windows for tables exceeding 100GB. Use this skill when asked to "create database partitions", "optimize database queries with partitioning", "manage large database tables", or when the user mentions "partitioning strategy", "data archival", or uses the command `/partition`. The skill helps automate partition maintenance and data lifecycle management. It focuses on database best practices and production-ready implementations.

849 tokens
Database Query Profiler
by ComeOnOliver

| Database Query Profiler - Auto-activating skill for Performance Testing. Part of the Performance Testing skill category.

329 tokens
Managing Database Recovery
by ComeOnOliver

| This skill manages database recovery operations using the database-recovery-manager plugin. It enables disaster recovery, point-in-time recovery (PITR), and automated failover strategies for production database systems. Use this skill when the user requests help with "database recovery", "disaster recovery", "point-in-time recovery", "PITR", "backup validation", "recovery testing", or "multi-region failover" for databases. It automates backup verification and recovery testing.

718 tokens
Managing Database Replication
by ComeOnOliver

| This skill enables Claude to manage database replication, failover, and high availability configurations using the database-replication-manager plugin. It is designed to assist with tasks such as setting up master-slave replication, configuring automatic failover, monitoring replication lag, and implementing read scaling. Use this skill when the user requests help with "database replication", "failover configuration", "high availability", "replication lag", or "read scaling" for databases like PostgreSQL or MySQL. The plugin facilitates both physical and logical replication strategies.

814 tokens
Designing Database Schemas
by ComeOnOliver

| This skill enables Claude to design and visualize database schemas. It leverages normalization guidance (1NF through BCNF), relationship mapping, and ERD generation to create efficient and well-structured databases. Use this skill when the user requests to "design a database schema", "create a database model", "generate an ERD", "normalize a database", or needs help with "database design best practices". The skill is triggered by terms like "database schema", "ERD diagram", "database normalization", and "relational database design".

872 tokens
Database Schema Visualizer
by ComeOnOliver

| Database Schema Visualizer - Auto-activating skill for Visual Content. Part of the Visual Content skill category.

333 tokens
Scanning Database Security
by ComeOnOliver

| This skill enables Claude to perform comprehensive database security scans using the database-security-scanner plugin. It is triggered when the user requests a security assessment of a database, including identifying vulnerabilities like weak passwords, SQL injection risks, and insecure configurations. The skill leverages OWASP guidelines to ensure thorough coverage and provides remediation suggestions. Use this skill when the user asks to "scan database security", "check database for vulnerabilities", "perform OWASP compliance check on database", or "assess database security posture". The plugin supports PostgreSQL and MySQL.

782 tokens
Managing Database Sharding
by ComeOnOliver

| This skill assists with managing database sharding strategies. It is activated when the user needs to implement horizontal database sharding to scale beyond single-server limitations. The skill supports designing sharding strategies, distributing data across multiple database instances, and implementing consistent hashing, automatic rebalancing, and cross-shard query coordination. Use this skill when the user mentions "database sharding", "sharding implementation", "scale database", or "horizontal partitioning". The plugin helps design and implement sharding for high-scale applications.

804 tokens
Database Test Helper
by ComeOnOliver

| Database Test Helper - Auto-activating skill for Test Automation. Part of the Test Automation skill category.

314 tokens
Managing Database Testing
by ComeOnOliver

| This skill manages database testing by generating test data, wrapping tests in transactions, and validating database schemas. It is used to create robust and reliable database interactions. Claude uses this skill when the user requests database testing utilities, including test data generation, transaction management, schema validation, or migration testing. Trigger this skill by mentioning "database testing," "test data factories," "transaction rollback," "schema validation," or using the `/db-test` or `/dbt` commands.

770 tokens
Monitoring Database Transactions
by ComeOnOliver

| This skill enables Claude to monitor database transactions for performance and lock issues using the database-transaction-monitor plugin. It is triggered when the user requests transaction monitoring, lock detection, or rollback rate analysis for databases. Use this skill when the user mentions "monitor database transactions," "detect long-running transactions," "identify lock contention," "track rollback rates," or asks about "transaction anomalies." The skill leverages the `/txn-monitor` command to provide real-time alerts and insights into database health.

696 tokens
Databricks CI Integration
by ComeOnOliver

| Configure Databricks CI/CD integration with GitHub Actions and Asset Bundles. Use when setting up automated testing, configuring CI pipelines, or integrating Databricks deployments into your build process. Trigger with phrases like "databricks CI", "databricks GitHub Actions", "databricks automated tests", "CI databricks", "databricks pipeline".

2k tokens
Databricks Common Errors
by ComeOnOliver

| Diagnose and fix Databricks common errors and exceptions. Use when encountering Databricks errors, debugging failed jobs, or troubleshooting cluster and notebook issues. Trigger with phrases like "databricks error", "fix databricks", "databricks not working", "debug databricks", "spark error".

2k tokens
Databricks Core Workflow A
by ComeOnOliver

| Use when building data ingestion pipelines, implementing medallion architecture, or creating Delta Lake transformations. Trigger with phrases like "databricks ETL", "delta lake pipeline", "medallion architecture", "databricks data pipeline", "bronze silver gold".

2k tokens
Databricks Core Workflow B
by ComeOnOliver

| Use when building ML pipelines, training models, or deploying to production. Trigger with phrases like "databricks ML", "mlflow training", "databricks model", "feature store", "model registry".

2k tokens
Databricks Cost Tuning
by ComeOnOliver

| Optimize Databricks costs with cluster policies, spot instances, and monitoring. Use when reducing cloud spend, implementing cost controls, or analyzing Databricks usage costs. Trigger with phrases like "databricks cost", "reduce databricks spend", "databricks billing", "databricks cost optimization", "cluster cost".

2k tokens
Databricks Data Handling
by ComeOnOliver

| Implement Delta Lake data management patterns including GDPR, PII handling, and data lifecycle. Use when implementing data retention, handling GDPR requests, or managing data lifecycle in Delta Lake. Trigger with phrases like "databricks GDPR", "databricks PII", "databricks data retention", "databricks data lifecycle", "delete user data".

3k tokens
Databricks Debug Bundle
by ComeOnOliver

| Collect Databricks debug evidence for support tickets and troubleshooting. Use when encountering persistent issues, preparing support tickets, or collecting diagnostic information for Databricks problems. Trigger with phrases like "databricks debug", "databricks support bundle", "collect databricks logs", "databricks diagnostic".

2k tokens
Databricks Deploy Integration
by ComeOnOliver

| Deploy Databricks jobs and pipelines with Declarative Automation Bundles. Use when deploying jobs to different environments, managing deployments, or setting up deployment automation. Trigger with phrases like "databricks deploy", "asset bundles", "databricks deployment", "deploy to production", "bundle deploy".

2k tokens
Databricks Enterprise Rbac
by ComeOnOliver

| Configure Databricks enterprise SSO, Unity Catalog RBAC, and organization management. Use when implementing SSO integration, configuring role-based permissions, or setting up organization-level controls with Unity Catalog. Trigger with phrases like "databricks SSO", "databricks RBAC", "databricks enterprise", "unity catalog permissions", "databricks SCIM".

2k tokens
Databricks Hello World
by ComeOnOliver

| Create a minimal working Databricks example with cluster and notebook. Use when starting a new Databricks project, testing your setup, or learning basic Databricks patterns. Trigger with phrases like "databricks hello world", "databricks example", "databricks quick start", "first databricks notebook", "create cluster".

2k tokens
Databricks Incident Runbook
by ComeOnOliver

| Execute Databricks incident response procedures with triage, mitigation, and postmortem. Use when responding to Databricks-related outages, investigating job failures, or running post-incident reviews for pipeline failures. Trigger with phrases like "databricks incident", "databricks outage", "databricks down", "databricks on-call", "databricks emergency", "job failed".

2k tokens
Databricks Install Auth
by ComeOnOliver

| Install and configure Databricks CLI and SDK authentication. Use when setting up a new Databricks integration, configuring tokens, or initializing Databricks in your project. Trigger with phrases like "install databricks", "setup databricks", "databricks auth", "configure databricks token", "databricks CLI".

2k tokens
Databricks Local Dev Loop
by ComeOnOliver

| Configure Databricks local development with Databricks Connect, Asset Bundles, and IDE. Use when setting up a local dev environment, configuring test workflows, or establishing a fast iteration cycle with Databricks. Trigger with phrases like "databricks dev setup", "databricks local", "databricks IDE", "develop with databricks", "databricks connect".

2k tokens
Databricks Migration Deep Dive
by ComeOnOliver

| Execute comprehensive platform migrations to Databricks from legacy systems. Use when migrating from on-premises Hadoop, other cloud platforms, or legacy data warehouses to Databricks. Trigger with phrases like "migrate to databricks", "hadoop migration", "snowflake to databricks", "legacy migration", "data warehouse migration".

3k tokens
Databricks Multi Env Setup
by ComeOnOliver

| Configure Databricks across development, staging, and production environments. Use when setting up multi-environment deployments, configuring per-environment secrets, or implementing environment-specific Databricks configurations. Trigger with phrases like "databricks environments", "databricks staging", "databricks dev prod", "databricks environment setup", "databricks config by env".

2k tokens
Databricks Observability
by ComeOnOliver

| Set up comprehensive observability for Databricks with metrics, traces, and alerts. Use when implementing monitoring for Databricks jobs, setting up dashboards, or configuring alerting for pipeline health. Trigger with phrases like "databricks monitoring", "databricks metrics", "databricks observability", "monitor databricks", "databricks alerts", "databricks logging".

2k tokens
Databricks Performance Tuning
by ComeOnOliver

| Optimize Databricks cluster and query performance. Use when jobs are running slowly, optimizing Spark configurations, or improving Delta Lake query performance. Trigger with phrases like "databricks performance", "spark tuning", "databricks slow", "optimize databricks", "cluster performance".

2k tokens
Databricks Prod Checklist
by ComeOnOliver

| Execute Databricks production deployment checklist and rollback procedures. Use when deploying Databricks jobs to production, preparing for launch, or implementing go-live procedures. Trigger with phrases like "databricks production", "deploy databricks", "databricks go-live", "databricks launch checklist".

2k tokens
Databricks Rate Limits
by ComeOnOliver

| Implement Databricks API rate limiting, backoff, and idempotency patterns. Use when handling rate limit errors, implementing retry logic, or optimizing API request throughput for Databricks. Trigger with phrases like "databricks rate limit", "databricks throttling", "databricks 429", "databricks retry", "databricks backoff".

2k tokens
Databricks Reference Architecture
by ComeOnOliver

| Implement Databricks reference architecture with best-practice project layout. Use when designing new Databricks projects, reviewing architecture, or establishing standards for Databricks applications. Trigger with phrases like "databricks architecture", "databricks best practices", "databricks project structure", "how to organize databricks", "databricks layout".

3k tokens
Databricks SDK Patterns
by ComeOnOliver

| Apply production-ready Databricks SDK patterns for Python and REST API. Use when implementing Databricks integrations, refactoring SDK usage, or establishing team coding standards for Databricks. Trigger with phrases like "databricks SDK patterns", "databricks best practices", "databricks code patterns", "idiomatic databricks".

2k tokens
Databricks Security Basics
by ComeOnOliver

| Apply Databricks security best practices for secrets and access control. Use when securing API tokens, implementing least privilege access, or auditing Databricks security configuration. Trigger with phrases like "databricks security", "databricks secrets", "secure databricks", "databricks token security", "databricks scopes".

2k tokens
Databricks Upgrade Migration
by ComeOnOliver

| Upgrade Databricks runtime versions and migrate between features. Use when upgrading DBR versions, migrating to Unity Catalog, or updating deprecated APIs and features. Trigger with phrases like "databricks upgrade", "DBR upgrade", "databricks migration", "unity catalog migration", "hive to unity".

2k tokens
Databricks Webhooks Events
by ComeOnOliver

| Configure Databricks job notifications, webhooks, and event handling. Use when setting up Slack/Teams notifications, configuring alerts, or integrating Databricks events with external systems. Trigger with phrases like "databricks webhook", "databricks notifications", "databricks alerts", "job failure notification", "databricks slack".

2k tokens
Dataset Loader Creator
by ComeOnOliver

| Dataset Loader Creator - Auto-activating skill for ML Training. Part of the ML Training skill category.

326 tokens
Splitting Datasets
by ComeOnOliver

| This skill enables Claude to split datasets into training, validation, and testing sets. It is useful when preparing data for machine learning model development. Use this skill when the user requests to split a dataset, create train-test splits, or needs data partitioning for model training. The skill is triggered by terms like "split dataset," "train-test split," "validation set," or "data partitioning."

651 tokens
Date Range Analyzer
by ComeOnOliver

| Date Range Analyzer - Auto-activating skill for Data Analytics. Part of the Data Analytics skill category.

314 tokens

Claude Skills — questions

Answers built from the skills we actually parsed.

What is a Claude Skill?
A folder with a SKILL.md file: instructions that teach an agent to do one thing well, optionally with scripts and reference files alongside. The format is open and called Agent Skills — Claude Code, Codex and other agents read the same files. It is not a program you run; it is knowledge the agent loads when the task calls for it.
How is a skill different from an MCP server?
A server gives the agent new abilities — it connects to something and exposes tools. A skill gives the agent knowledge: how to use what it already has. They combine, and often literally: 11 329 of the skills here declare which MCP servers they need to work.
Why are there fewer skills here than in other catalogues?
Because we deduplicate by content. Of 79 404 files found on GitHub, 61 763 are unique — the rest is the same skill copied into someone else's repository, word for word. Catalogues that count files rather than skills show every copy as a separate entry.
What does the token count mean?
A skill is loaded into the model's context when it is used, so its size is a running cost on every request that touches it. We measure the whole folder, not just SKILL.md: one official skill is 377 tokens, another drags 83 files of fonts behind it.
How do I install a skill?
Copy the skill folder into ~/.claude/skills for personal use, or into .claude/skills inside a project. The agent picks it up by the name in the SKILL.md header — which is worth checking: 7 882 skills here share a name with another skill, and two of them cannot sit side by side.