pop-knowledge-lookup
Queries cached external documentation and blog content for authoritative, up-to-date information. Sources include Claude Code docs, engineering blog, and configured knowledge bases with 24-hour TTL caching. Use when you need current information about Claude Code features, hooks, or best practices. Do NOT use for general coding questions - rely on training knowledge or web search instead.
npx skills add majiayu000/claude-skill-registry --skill pop-knowledge-lookup --agent claude-code
Same command for any agent — swap --agent for codex, cursor, copilot.
Weekly change comes from our own snapshots, not the repository page — it measures attention, not adoption.
# Knowledge Lookup ## Overview Query cached external documentation and blog content to get fresh context for development tasks. Knowledge sources are synced on session start and cached for 24 hours. **Core principle:** Get authoritative, up-to-date information from official sources. **Trigger:** When you need current information about Claude Code, best practices, or configured documentation sources. ## When to Use Invoke this skill when: - User asks about Claude Code features or best practices - You need to reference official documentation - Answering questions about hooks, commands, or Claude Code architecture - Looking for examples from the engineering blog ## Available Knowledge Sources Default sources (synced automatically): 1. **anthropic-engineering** - Claude Code Engineering Blog 2. **claude-code-docs-overview** - Claude Code Documentation Overview 3. **claude-code-docs-hooks** - Claude Code Hooks Reference ## Lookup Process ### Step 1: List Available Knowledge Use the **Read tool** to check what knowledge is available: ``` Read: ~/.claude/config/knowledge/sources.json ``` ### Step 2: Check Cache Freshness Use bash for SQLite queries (no native equivalent): ```bash sqlite3
- Overview
- When to Use
- Available Knowledge Sources
- Lookup Process
- Step 1: List Available Knowledge
- Step 2: Check Cache Freshness
- Step 3: Read Specific Content
- Step 4: Search Across Sources
- Step 5: Semantic Search (If Available)
- Response Format
- Example Queries
- Query: "How do hooks work in Claude Code?"
- Query: "What are best practices for Claude Code?"
- Query: "Is there something about X in the docs?"
sqlite3 ~/.claude/config/knowledge/cache.db \ python hooks/utils/embedding_init.py --force
What does the pop-knowledge-lookup skill do?
Queries cached external documentation and blog content for authoritative, up-to-date information. Sources include Claude Code docs, engineering blog, and configured knowledge bases with 24-hour TTL caching. Use when you need current information about Claude Code features, hooks, or best practices. Do NOT use for general coding questions - rely on training knowledge or web search instead.
How do I install it?
Run `npx skills add majiayu000/claude-skill-registry --skill pop-knowledge-lookup --agent claude-code` — it drops the skill into your project so the agent can pick it up. Swap the --agent value for codex, cursor or copilot if you use one of those.
Where does this skill come from?
From majiayu000/claude-skill-registry, a repository with 534 stars. We read it straight from the repository tree rather than a submitted listing, so what you see here is what is actually published.
Is a popular skill a good skill?
Not necessarily. Stars measure attention, not adoption — a repository can trend for a week and be abandoned. That is why we show the weekly change from our own snapshots next to the total, instead of a single flattering number.