hccccc01333/dsh-excel-chat
C3dsh-excel-chat — talk to Excel in DeepSeek Harness: create, edit, repair, and verify spreadsheets by conversation (cells, formulas, styles, filters, tables, charts); every edit is auto-validated.
★ 5+ · hccccc01333/dsh-excel-chat source on GitHub · this plugin in the registry
hccccc01333/dsh-excel-chat 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, reads credential-class env vars.
Installable plugin — declares a dsh.bundle manifest
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 | ×2 in authored code, e.g. src/chart-visual.ts:1, src/chart-visual.ts:195 |
| reads credential-class env vars | token_env | BAI_MAX_TOKENS, DEEPSEEK_API_KEY |
Services it injects
slots systemPrompt tools
Outbound domains
schemas.openxmlformats.org schemas.microsoft.com api.deepseek.com api.b.ai
Environment variables it reads
SystemRoot LLM_PROVIDER DEEPSEEK_MODEL DEEPSEEK_API_KEY BAI_API DEEPSEEK_BASE_URL BAI_BASE_URL BAI_MODEL BAI_MAX_TOKENS
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.