dongsheng123132/dsh-cache-stabilizer

针对DeepSeek Harness的缓存前缀稳定性与基于证据的缓存指标

Project Overview项目介绍

dsh-cache-stabilizer is an MIT-licensed DSH plugin that improves provider prompt-cache reuse by moving the working directory out of the default persona sentence into the runtime-context snapshot and canonicalizing object-key order in tool schemas. It also adds the human-only /cache command to report cache-read, uncached-input, and cache-write tokens. Use it when working across projects and wanting stable cache prefixes. It does not fabricate hits; provider caching still depends on exact prefix matching.

dsh-cache-stabilizer 是 MIT 许可的 DSH 插件,通过把默认 persona 中的工作目录移到运行时上下文快照,并规范化工具 schema 的对象键顺序,提升 DeepSeek 提示缓存前缀复用概率;另提供仅人工可用的 /cache 查看缓存读取、未缓存输入和缓存写入 token。适合多项目会话想稳定缓存命中时使用;它不伪造命中,也不处理自定义 persona 中的 cwd 表述,缓存仍由服务商按精确前缀控制。

Pre-install check安装前体检Compatibility · Security兼容性 · 安全性 1 warning1 项注意
  • Only 2 stars - very few users, little community feedback星标只有 2,几乎没人在用,遇到问题缺少社区反馈
DSH walks through these 9 checksDSH 会逐条核对这 9 项

Compatibility兼容性

  • DSH, Node, OS and profile requirementsDSH 版本 / Node 版本 / 操作系统 / profile 是否满足要求
  • External dependencies and runtimes (Electron / Python / Docker, ...)外部依赖与运行时(Electron / Python / Docker 等)是否齐备
  • Conflicts with installed plugins: command names, skill / tool names, ports, duplicate MCP registration与已装插件是否冲突:命令名、skill / tool 重名、端口占用、重复 MCP 注册

Security安全性

  • Repo matches the facts registered here; archived or abandoned?仓库是否与页面登记一致,是否归档或长期停更
  • Safety of preinstall / install / postinstall and install.sh / setup.ps1preinstall / install / postinstall 与 install.sh、setup.ps1 是否安全
  • curl|bash, download-then-execute, obfuscation, unrelated domains → stop immediatelycurl|bash、下载即执行、混淆代码、无关域名 → 立刻停止
  • Typosquatting or unmaintained packages among the new dependencies新增依赖里有没有 typosquatting 或无人维护的包
  • Requested permissions vs. what the feature actually needs申请了哪些权限、是否超出功能所需(filesystem / network / shell / clipboard)
  • Any sudo / admin requirement, plus uninstall and rollback是否要求 sudo / 管理员权限,以及卸载与回滚方式

Anything uncertain must be marked unknown with a note on how to confirm it. This site's signal screen is a static snapshot, not a security audit.拿不准的必须标「未知」并说明要我怎么确认。本站的信号筛查是静态快照,不能替代安全审计。

Or use CLI install (for developers)或使用命令行安装(适合开发者)

CLI Install命令行安装

dsh plugin --profile web add dsh-cache-stabilizer

把 dongsheng123132/dsh-cache-stabilizer 加入你的 DSH 配置(web profile)即可启用。

READMEREADME

dsh-cache-stabilizer

CI MIT license Node.js 22+ Awesome DSH Plugins

An MIT-licensed DeepSeek Harness plugin that improves the chance of provider prompt-cache reuse without hiding stale state.

It makes two semantics-preserving changes:

  • Moves the working directory out of DSH's known default persona sentence and into the runtime-context snapshot. Different projects can then share the same system-prompt prefix while each request still receives the correct cwd.
  • Canonicalizes object-key order inside tool schemas. Tool order itself is already deterministic in DSH.

It also adds /cache, a human-only command that reports the provider's durable cacheReadTokens, uncached inputTokens, and cache-write tokens. It never invents a cache hit.

Install

dsh plugin --profile web add dsh-cache-stabilizer

Restart DSH, send a few messages, then enter /cache in a command-capable client.

For a custom profile, replace web with its profile name. To disable either optimization in a profile patch:

- id: dsh-cache-stabilizer
  config:
    relocateCwd: false
    canonicalizeTools: false

Safety boundary

Only the exact sentence used by DSH's standard/headless coding persona is relocated. A custom persona that mentions {{cwd}} in another form is left unchanged because blindly moving arbitrary prose can change meaning. The plugin does not freeze tool catalogs, reuse stale context, proxy model responses, or implement a second cache.

DeepSeek's provider cache is automatic and depends on an exact prefix match from token zero. Storage and eviction remain provider-controlled.

Development

npm test
npm run check
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