# 0CompactMem MCP server

Agent View of the PolicyLayer registry record for 0CompactMem: identity, probed posture, risk grade, and all 8 tools classified. HTML page: https://policylayer.com/tools/soolaugust-0compactmem

## Facts

- Server id: `soolaugust/0compactmem`
- Homepage: https://github.com/soolaugust/0CompactMem
- Registry record: grade B, identity unverified
- Lifecycle: active
- Rate-limited: no
- Tools: 8
- Tool categories present: Read, Write
- Tags: soolaugust 0compactmem
- Record last modified: 2026-08-19T12:50:32.303Z

## Tools (8)

| Tool | Category | Risk | Record |
| --- | --- | --- | --- |
| `list_pinned` | Read | Low | https://policylayer.com/tools/soolaugust-0compactmem/list-pinned.md |
| `memory_applied` | Read | Low | https://policylayer.com/tools/soolaugust-0compactmem/memory-applied.md |
| `memory_hook_health` | Read | Low | https://policylayer.com/tools/soolaugust-0compactmem/memory-hook-health.md |
| `memory_lookup` | Read | Low | https://policylayer.com/tools/soolaugust-0compactmem/memory-lookup.md |
| `memory_stats` | Read | Low | https://policylayer.com/tools/soolaugust-0compactmem/memory-stats.md |
| `memory_write` | Write | Medium | https://policylayer.com/tools/soolaugust-0compactmem/memory-write.md |
| `pin_memory` | Write | Medium | https://policylayer.com/tools/soolaugust-0compactmem/pin-memory.md |
| `unpin_memory` | Write | Medium | https://policylayer.com/tools/soolaugust-0compactmem/unpin-memory.md |

## Tool descriptions

- `list_pinned` — 列出当前项目中所有 pinned chunks。
- `memory_hook_health` — Hook 系统健康检查 — 查看最近 N 小时内哪些 hook 在触发、哪些静默失败。
- `memory_stats` — 查询 AIOS 知识库的统计信息（chunk 数量、类型分布、近期活跃度）。
- `unpin_memory` — 解除 chunk 在当前项目中的 pin，允许被自动淘汰。

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

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Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=soolaugust-0compactmem · API: https://policylayer.com/registry/api · Recommended policies for every tool: https://policylayer.com/policies/soolaugust-0compactmem