上下文膨胀、工具结果撑爆窗口、Agent 决策质量随轮次下降时使用——上下文压缩的三个动机（长度成本、思考质量、上下文焦虑）、压缩即检索的机制、六种压缩策略实测数据、生产级五层分层压缩、四条设计原则，以及用子 Agent 隔离代替压缩。
Install
npx skills add bojieli/ai-agent-book --skill context-compressionnpx skills add bojieli/ai-agent-book --skill context-compression -a claude-code -gnpx skills add bojieli/ai-agent-book --skill context-compression -a codex -ggemini skills install https://github.com/bojieli/ai-agent-book.git --path skills/context-compressiongh skill install bojieli/ai-agent-book context-compressiongit clone --depth 1 https://github.com/bojieli/ai-agent-book /tmp/bojieli__ai-agent-book
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/bojieli__ai-agent-book/skills/context-compression ~/.claude/skills/context-compression # Claude Code
cp -R /tmp/bojieli__ai-agent-book/skills/context-compression ~/.agents/skills/context-compression # Codex, Cursor, Gemini CLI, Copilot, OpenCode