This repository is a collection of robust skills designed to give LLMs thorough, up-to-date information on packages that may not be as widely represented in mainstream AI training data. The goal is to empower the community to use AI effectively with their favorite niche tools.

Pick any skill from the list below and install it with skills.sh:

npx skills add damusix/skills --skill mssql-server

Replace mssql-server with the skill name you want to install.

• Hapi.js - A powerful Node.js framework for building applications and APIs
• Google zx - A tool for writing shell scripts using JavaScript
• HTMX - High-power tools for HTML, enabling modern UIs without heavy JavaScript
• Joi - The most powerful schema description language and data validator for JavaScript

• MSSQL Server - T-SQL syntax, SQL Server administration, query performance, stored procedures, indexes, and more
• MSSQL Writing Guidelines - My own methodology for writing type-safe, access-controlled SQL Server application databases
• PostgreSQL - Comprehensive PostgreSQL reference covering PG14–18: queries, indexes, MVCC, VACUUM, WAL, partitioning, replication, backup, HA, pgvector, PostGIS, and more
• Postgres Writing Guidelines - Same methodology adapted for PostgreSQL — snake_case, CREATE DOMAIN, RLS, triggers-call-functions, EXCEPTION blocks
• SQL Server Performance - Diagnosing and fixing T-SQL performance problems, index tuning, and execution plans
• SQL BI & Reporting - Analytical T-SQL patterns for aggregations, time series, pivots, and data export
• SQL ML Features - Extracting ML-ready feature datasets from SQL Server for model training

• Ghost Theme - Build, customize, and deploy Ghost CMS themes with Handlebars templates, membership integration, and Koenig editor cards

• CLI Building - Build TypeScript CLIs using citty, @clack/prompts, and @bomb.sh/tab

• Hurl - Plain-text HTTP API testing with the Hurl CLI — assertions, captures, CI reports, and executable API documentation

• ast-grep - AST-based code search, lint, and rewrite using structural patterns instead of regex

• Multi-Armed Bandits - Expert guidance for implementing, evaluating, and deploying multi-armed bandit algorithms