Jonah-Wu23/oh-my-dsh
C3Minimal-stable DeepSeek Harness preset with Linux-shaped persistent Bash, native Windows support, on-demand capability routing, and a low-cost V4 Flash router for DeepSeek V4 Pro coding workflows.
★ 1+ · Jonah-Wu23/oh-my-dsh source on GitHub · this plugin in the registry
Jonah-Wu23/oh-my-dsh is a DeepSeek Harness plugin rated C3 — powerful capability combined with sensitive behavior. It can rewrite the system prompt, gates tool execution, executes system commands, ships no manifest.
What it can do
| Capability | Flag | Evidence |
|---|---|---|
| can rewrite the system prompt | prompt_surface | systemPrompt, system-prompt/assemble, tools/pre-execute |
| gates tool execution | tool_gate | hook: tools/pre-execute |
| executes system commands | exec | ×6 src, e.g. bin/dshx.mjs:4, bin/dshx.mjs:10 |
| ships no manifest | no_manifest | uses 2 services, 0 tool regs, no manifest |
Services it injects
systemPrompt terminals
Hooks it attaches
agent/inbox/claimed agent/inbox/inserted agent/pre-step agent/session-start system-prompt/assemble tools/pre-execute
Environment variables it reads
DSH_CAPABILITY_PROVIDER_ARGS DSH_CWD DSH_SESSION_EVENT_LOG DSH_CAPABILITY_PROVIDER DSH_MSYS2_BASH
How to read this
Levels measure capability surface and transparency, not maliciousness. A C3 plugin can be entirely legitimate — a desktop shell genuinely needs subprocesses. The point is that you can see this before installing. See the levels explained and how dsh plugins work.
Findings come from static analysis of shipped code; nothing is executed. Think a flag is wrong? Open an issue — every flag cites the file and line it came from.