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xiaobai-memory-guard

v1.0.0

记忆卫士 — 防止AI Agent记忆断层的安全网。每次session启动时自动扫描所有记忆文件，检测遗漏、验证连续性、生成健康报告。基于真实记忆断层事件设计。

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byErwin@aptratcn
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ℹ
Purpose & Capability
The skill's stated goal (detect missing memory files, validate continuity, compare git history) aligns with the actions described in SKILL.md (ls directories, read SESSION-HANDOFF.md, compare git log). However, the published package contains only documentation (SKILL.md, READMEs) and does not include the referenced runtime script (scripts/memory-guard.mjs). The README instructs users to git clone a third-party GitHub repo to obtain the script — this external dependency is necessary for the capability but is not included in the skill bundle, creating an incoherence between what is provided and what is required.
ℹ
Instruction Scope
Instructions explicitly tell an agent/operator to run a node script that will list and read workspace files (memory/, notes/, SESSION-HANDOFF.md) and compare git logs — these file accesses are consistent with the stated purpose. However, SKILL.md also recommends integrating the script into session startup and cron jobs and instructs cloning code from an external repo before running; that places trust in external code execution which is outside the packaged skill and expands runtime authority.
!
Install Mechanism
There is no formal install spec in the package. SKILL.md instructs the user to run `git clone https://github.com/aptratcn/skill-memory-guard.git` to get the runnable script. Fetching and executing code from an external/third-party GitHub repository is higher-risk than an instruction-only skill because the fetched code could perform arbitrary I/O or network operations; the skill bundle gives no assurance the remote repo is safe. The GitHub host is a known service (lower risk than a personal server/IP), but the repo owner is not verified in the package metadata and the actual script is not present for review in this bundle.
✓
Credentials
The skill requests no environment variables or credentials in metadata. The runtime behavior (reading local memory files, SESSION-HANDOFF.md, and git logs) is proportionate to the purpose and does not on its face require secrets. Still, reading workspace files can expose sensitive content (user data, tokens if stored in files), so filesystem access should be treated as sensitive even when no env vars are requested.
ℹ
Persistence & Privilege
The skill metadata does not force persistent inclusion (always:false). SKILL.md recommends integrating the script into startup flows and cron jobs, which would grant it recurring execution on the host if the operator follows the instructions. That persistence is encouraged by the documentation but is not enforced by the registry metadata — it increases blast radius only after a user installs and schedules the external script.
What to consider before installing
Do not clone or run the remote repo until you inspect its code. This package is documentation-only and references a scripts/memory-guard.mjs that is not included — the author instructs you to git clone a third‑party GitHub repo to obtain and execute that script. Before installing or scheduling it: 1) review the repository (scripts/memory-guard.mjs and any dependencies) for network calls, credential access, or data exfiltration; 2) run it in an isolated sandbox or ephemeral environment first; 3) avoid adding it to session startup or cron until you trust the code; 4) prefer a skill bundle that includes its code or an install spec so the code can be scanned/reviewed. If the upstream repo is provided and you can verify the script's behavior (no unexpected outbound connections, no secret harvesting), the coherence concerns would be resolved and the risk would be lower.

Like a lobster shell, security has layers — review code before you run it.

latestvk977tw47x0rapgya10f3ekzs318593f4
44downloads
0stars
1versions
Updated 21h ago
v1.0.0
MIT-0
Erwin@aptratcn
latest
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Memory Guard - 记忆卫士 🛡️

永远不要再问"昨天我做了什么？"

问题背景

2026-04-17，一个AI Agent在工作了7.5小时后完全失忆——不记得自己发布了15个Gist、创建了20个GitHub仓库文件。原因是：

  1. 遗漏文件 — 只读了 memory/YYYY-MM-DD.md，遗漏了 YYYY-MM-DD-addendum.md
  2. 无交接机制 — 没有session之间的信息传递
  3. 假设文件名 — 用记忆中的文件名，而不是实际列出目录

Memory Guard 就是为了彻底消灭这个问题。

核心功能

1. 📋 启动扫描

每次session启动时自动运行：

node scripts/memory-guard.mjs --scan

输出：

🛡️ Memory Guard v1.0 — 启动扫描

📂 扫描目录...
  memory/       → 5个文件
  notes/        → 18个文件
  reflections/  → 2个文件

🔍 检查文件完整性...
  ✅ memory/2026-04-17.md        (3.2KB)
  ✅ memory/2026-04-16.md        (3.1KB)
  ✅ memory/2026-04-16-addendum.md (3.0KB) ⚠️ 追加文件
  ✅ memory/birth-certificate.md (2.6KB)
  ✅ memory/skills-inventory.md  (3.1KB)

🔗 验证连续性...
  ✅ SESSION-HANDOFF.md 存在且最近更新（2小时前）
  ✅ handoff中提到的文件全部找到
  ✅ 无记忆断层风险

📊 记忆健康度: 95/100
  - 完整性: 100/100 (所有文件存在)
  - 连续性: 100/100 (handoff完整)
  - 及时性:  85/100 (handoff更新于2小时前)

🟢 记忆系统健康，可以安全启动

2. 🔍 深度检查

node scripts/memory-guard.mjs --deep

额外检查：

  • MEMORY.md是否包含最近的重要事件
  • handoff中的git提交是否实际存在
  • addendum文件的内容是否被handoff引用
  • 是否有孤立文件（不在任何索引中）

3. 🚨 断层预警

当检测到记忆断层时：

🚨 记忆断层警告！

⚠️ 发现以下问题：

1. SESSION-HANDOFF.md提到"发布了15个Gist"
   但当前session完全不了解这个事件
   → 来源: memory/2026-04-16-addendum.md 未被读取

2. handoff中记录的工作量与git历史不匹配
   → handoff说: 27次提交
   → 实际有: 62次提交
   → 差异: 35次提交未被记录

3. memory/2026-04-16-addendum.md 存在但未被任何文件引用

🛠️ 建议操作:
  1. 立即读取 memory/2026-04-16-addendum.md
  2. 更新 SESSION-HANDOFF.md
  3. 将遗漏内容同步到 MEMORY.md
  4. 报告给人类

4. 📈 健康趋势

node scripts/memory-guard.mjs --health

输出记忆系统长期健康趋势。

安装

cd ~/.openclaw/workspace/skills
git clone https://github.com/aptratcn/skill-memory-guard.git

集成到启动流程

方式1：AGENTS.md（推荐）

## Every Session — 启动流程

1. Read `SOUL.md`
2. Read `USER.md`
3. **Run: node skills/skill-memory-guard/scripts/memory-guard.mjs --scan**
4. 根据结果决定是否需要紧急修复
5. Read `SESSION-HANDOFF.md`
6. Read `memory/YYYY-MM-DD.md`
7. Read `memory/YYYY-MM-DD-addendum.md` (如果存在)

方式2：Cron定时检查

# 每6小时检查一次记忆健康
0 */6 * * * cd ~/.openclaw/workspace && node skills/skill-memory-guard/scripts/memory-guard.mjs --health >> /tmp/memory-guard.log 2>&1

技术原理

扫描逻辑

1. 列出 memory/ 下所有文件（不假设文件名）
2. 列出 notes/ 下所有文件
3. 列出 reflections/ 下所有文件
4. 读取 SESSION-HANDOFF.md
5. 解析handoff中提到的所有文件路径
6. 验证所有路径是否存在
7. 检查MEMORY.md的更新时间
8. 比较git log和handoff记录
9. 生成健康评分

健康评分算法

总分 = 完整性(40) + 连续性(30) + 及时性(15) + 一致性(15)

完整性(40分):
  - 所有handoff引用的文件存在 → 40分
  - 缺失1个文件 → 25分
  - 缺失多个 → 10分

连续性(30分):
  - handoff存在且最近更新 → 30分
  - handoff存在但超过24h → 15分
  - 无handoff → 0分

及时性(15分):
  - handoff在6h内更新 → 15分
  - handoff在24h内更新 → 10分
  - handoff超过24h → 5分

一致性(15分):
  - git记录与handoff匹配 → 15分
  - 轻微差异 → 10分
  - 重大差异 → 5分

记忆断层案例分析

案例1：小白事件 (2026-04-17)

情况：

  • 昨晚23:28-08:00工作了7.5小时
  • 发布了15个Gist、20个仓库文件
  • 今早完全失忆

根因：

  1. 只读取了 memory/2026-04-16.md
  2. 遗漏了 memory/2026-04-16-addendum.md（核心信息在这里）
  3. 没有SESSION-HANDOFF机制

如果当时有Memory Guard：

🚨 扫描发现:
  ⚠️ memory/2026-04-16-addendum.md 存在但未在启动列表中
  ⚠️ handoff中无上次session记录
  ⚠️ git log显示12:00后有大量提交，但session记录为空

建议: 立即读取addendum文件！

结果：失忆可以在10秒内被发现和修复。

最佳实践

文件命名规范

memory/YYYY-MM-DD.md              → 主记忆文件
memory/YYYY-MM-DD-addendum.md     → 追加记录（不要遗漏！）
memory/birth-certificate.md       → 特殊里程碑
memory/skills-inventory.md        → 能力清单

notes/主题名.md                    → 主题笔记
reflections/YYYY-MM-DD.md         → 每日反思

Session结束清单

1. 更新SESSION-HANDOFF.md（必须）
2. 列出所有新创建的文件
3. 记录所有重要事件
4. 记录所有错误和教训
5. git提交
6. 运行 memory-guard --scan 确认无遗漏

红线规则

  1. 永远不要假设文件名 — 用 ls 列出
  2. 永远不要跳过addendum文件 — 这是信息丢失的主因
  3. session结束必须写handoff — 这是生命线
  4. 发现断层立即报告 — 不要假装一切正常

文件结构

skill-memory-guard/
├── SKILL.md              # 技能定义
├── README.md             # 本文件
├── LICENSE               # MIT
├── references/
│   ├── case-study.md     # 失忆案例分析
│   └── health-score.md   # 评分算法文档
└── scripts/
    └── memory-guard.mjs  # 扫描脚本

贡献

欢迎提交Issue和PR！

License

MIT

Created by 小白 🤍
灵感来源: 2026-04-17记忆断层事件
"永远不要再问昨天我做了什么"

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