Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge,...

WordPress child theme accessibility skill implementing WCAG 2.1 AA compliance patterns, screen reader support, keyboard navigation, focus management, and automated testing for WordPress themes,...

Async REPL Protocol

MCP Script Rules

Scrape web pages and extract content via Firecrawl MCP

No Polling for Background Agents

Query the memory system for relevant learnings from past sessions

Check reference SDK implementations using btca ask

Get a token-efficient overview of any project using the TLDR stack

LLM Tuning Patterns

Parallel Agent Type Contracts

Maps questions to the optimal tldr command. Use this to pick the right layer

AI-powered web search, research, and reasoning via Perplexity

Unit-aware computation with Pint - convert units, dimensional analysis, unit arithmetic

Create or update continuity ledger for state preservation across clears

Validation agent that validates plan tech choices against current best practices

Formal theorem proving with research, testing, and verification phases

Computational geometry with Shapely - create geometries, boolean operations, measurements, predicates

Deep interview process to transform vague ideas into detailed specs. Works for technical and non-technical users.

Meta-skill for extracting and creating reusable Claude Code skills from past work sessions. Analyzes git history, code patterns, workflows, and documentation to identify harvestable skills, then...