linkingoscar/dsh-attachment-formats
C3Codex-style attachment formats for the DeepSeek Harness Web GUI: PDF text-layer extraction, Office text extraction, scanned-PDF OCR, long-document spill + index cards, image-to-PNG.
★ 1+ · linkingoscar/dsh-attachment-formats source on GitHub · this plugin in the registry
linkingoscar/dsh-attachment-formats is a DeepSeek Harness plugin rated C3 — powerful capability combined with sensitive behavior. It patches the dsh runtime, executes system commands, decodes base64 payloads, reads credential-class env vars.
What it can do
| Capability | Flag | Evidence |
|---|---|---|
| patches the dsh runtime | runtime_patch | ./cordis.patch.yml |
| executes system commands | exec | ×16 src, e.g. scripts/smoke-p0.mjs:14, scripts/smoke-p0.mjs:14 |
| decodes base64 payloads | base64_decode | ×3 src, e.g. lib/client.js:137, scripts/smoke-client.mjs:94 |
| reads credential-class env vars | token_env | BAIDU_OCR_API_KEY, BAIDU_OCR_SECRET, DSH_ATTACH_VLM_KEY |
Services it injects
commands sessions slots webServer
Outbound domains
schemas.openxmlformats.org aip.baidubce.com cdn.jsdelivr.net www.libreoffice.org tessdata.projectnaptha.com pandoc.org
Environment variables it reads
DSH_ATTACH_ENGINE DSH_ATTACH_OCR DSH_ATTACH_VLM_BASE DSH_ATTACH_VLM_MODEL DSH_ATTACH_DOC_SERVER DSH_ATTACH_VLM_KEY DSH_HOME BAIDU_OCR_API_KEY BAIDU_OCR_SECRET DSH_ATTACH_OCR_ACCURATE
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.