Browse reusable Agent Skills, each with a clear purpose and practical guidance.
Convert GitHub repositories into LLM-friendly text. Use when you need to analyze external codebases, research unfamiliar libraries, understand third-party project structure, or ingest code from GitHub URLs (public/private, supports subdirectories).
See whats new in GSD since your installed version
Install Jina AI MCP for web scraping. Use when user needs Jina Reader for URL content extraction.
List and filter documents and units in the Knowledge base. Use when the user wants to see what is indexed ('what's in space X', 'list the last 10 indexed docs', 'which documents have error status', 'show Academy units').
Generate a TL;DR summary of a specific document or learning unit in the Knowledge base. Pulls chunks from pgvector and synthesizes via Claude Haiku. Use when the user wants a quick overview ('summary of lesson 5', 'TL;DR of this PDF', 'explain document X in one paragraph').
Extract 1–5 atomic facts from pasted text and save them as spaced-repetition cards in workspace/learning/facts/ with SM-2 frontmatter. Use when the user says "capture this", "save fact", "learn this", "memorize this", or pastes content they want to retain.
Review spaced-repetition facts that are due today. Applies SM-2 algorithm to update interval, ease, and next_review in each fact's frontmatter. Updates review-log.jsonl. Use when the user says "revisar", "review facts", "study", or "/learn-review".
Analyze LocalSend repos with tree-sitter tags, gh GraphQL contributor snapshots, and protocol safety notes.
Design and iterate on new research methods with structured checkpoints, baselines, and validation.
Find Mozilla telemetry probes and Glean metrics. Use when user asks about: Firefox metrics, Glean probes, telemetry data, accessibility probes, search metrics, or any Mozilla product instrumentation.