Walvez/dsh-codex-sync
C3One-stop bidirectional sync between OpenAI Codex and DeepSeek Harness (dsh): first-class skills, session import, workspace attach, MCP auto-mirror + Codex-side reverse MCP installer.
★ 1+ · Walvez/dsh-codex-sync source on GitHub · this plugin in the registry
Walvez/dsh-codex-sync is a DeepSeek Harness plugin rated C3 — powerful capability combined with sensitive behavior. It patches the dsh runtime, can rewrite the system prompt, executes system commands.
What it can do
| Capability | Flag | Evidence |
|---|---|---|
| patches the dsh runtime | runtime_patch | ./cordis.patch.yml |
| can rewrite the system prompt | prompt_surface | systemPrompt |
| executes system commands | exec | ×5 src, e.g. bin/dsh-codex-sync.js:25, bin/dsh-codex-sync.js:25 |
Services it injects
commands remote slots systemPrompt
Hooks it attaches
agent/session-start
Outbound domains
mcp.cloudflare.com
Environment variables it reads
DSH_HOME
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.