forked from Selig/openclaw-skill
Initial commit: OpenClaw Skill Collection
6 custom skills (assign-task, dispatch-webhook, daily-briefing, task-capture, qmd-brain, tts-voice) with technical documentation. Compatible with Claude Code, OpenClaw, Codex CLI, and OpenCode.
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skills/qmd-brain/SKILL.md
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skills/qmd-brain/SKILL.md
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---
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name: qmd-brain
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description: 第二大腦知識庫搜尋與索引。用 qmd(BM25+向量混合)搜尋本地 markdown 文件,並透過 PostgreSQL pgvector 進行深度語意搜尋。
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triggers:
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- "搜尋"
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- "查找"
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- "找資料"
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- "recall"
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- "記憶"
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- "之前說過"
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- "知識庫"
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- "找到"
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- "我之前"
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- "幫我找"
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- "查一下"
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- "有沒有"
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- "搜一下"
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- "brain search"
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- "qmd"
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tools:
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- exec
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- memory
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---
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# qmd-brain Skill
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## 功能說明
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第二大腦(Second Brain)知識庫搜尋工具,整合兩層搜尋:
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| 層次 | 工具 | 特色 |
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|------|------|------|
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| Layer 1 | qmd (BM25 全文搜尋) | 快速關鍵字比對,本地 SQLite |
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| Layer 2 | embed_to_pg (語意搜尋) | 向量相似度,PostgreSQL pgvector |
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## 觸發範例
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```
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使用者:「幫我找關於 nginx 設定的資料」
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→ qmd search "nginx 設定" → 返回相關文件段落
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使用者:「之前有記過 Telegram bot 的設定嗎?」
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→ embed_to_pg search "Telegram bot token 設定" → 語意搜尋
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使用者:「更新知識庫索引」
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→ qmd embed + embed_to_pg embed
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使用者:「查知識庫統計」
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→ qmd collection list + embed_to_pg stats
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```
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## 搜尋策略
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1. **關鍵字搜尋**(qmd search):適合確定的詞彙、指令、設定名稱
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2. **語意搜尋**(embed_to_pg search):適合概念性問題、模糊記憶
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3. **混合搜尋**:先用 qmd 快速篩選,再用 pgvector 重排
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## 輸出格式
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搜尋結果包含:
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- 文件來源(檔案路徑)
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- 相關段落(前 200 字)
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- 相似度分數
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## 重要路徑
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```
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qmd 索引: ~/.cache/qmd/index.sqlite
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pgvector DB: postgresql://qmd_user@localhost/qmd_brain
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embed 腳本: /home/selig/apps/qmd-pg/embed_to_pg.py
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qmd collections:selig-home (/home/selig)
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```
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## 每日排程
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凌晨 02:00 自動執行:
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1. `qmd embed`(更新 BM25 + 本地向量索引)
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2. `embed_to_pg embed`(更新 PostgreSQL 向量庫)
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