nexu-io/open-design
C3🎨 Best DeepSeek Harness Design Plugin. The open-source Claude Design alternative. 🖥️ Local-first desktop app. 🖼️ Your coding agent becomes the design engine: prototypes, landing pages, dashboards, sli
★ 99k+ · nexu-io/open-design source on GitHub · this plugin in the registry
nexu-io/open-design is a DeepSeek Harness plugin rated C3 — powerful capability combined with sensitive behavior. It patches the dsh runtime, runs code at install time, executes system commands, decodes base64 payloads.
Installable plugin — declares a dsh.bundle manifest
What it can do
| Capability | Flag | Evidence |
|---|---|---|
| patches the dsh runtime | runtime_patch | ./cordis.patch.yml |
| runs code at install time | install_script | postinstall: node ./scripts/postinstall.mjs |
| executes system commands | exec | ×53 in authored code, e.g. apps/daemon/src/agent-companion-setup.ts:2, apps/daemon/src/browser-sessions.ts:1 |
| decodes base64 payloads | base64_decode | ×18 in authored code, e.g. apps/daemon/src/api-token-auth.ts:37, apps/daemon/src/byok-tools.ts:1079 |
| starts a network server | net_server | ×1 in authored code, e.g. apps/daemon/src/integrations/xai-oauth-server.ts:180 |
| reads credential-class env vars | token_env | AIHUBMIX_API_KEY, ANTHROPIC_API_KEY, AZURE_API_KEY, AZURE_OPENAI_API_KEY, GEMINI_API_KEY, GOOGLE_API_KEY |
| reads credential-class env vars in development tooling the package does not ship | token_env_tooling | in development tooling the package does not ship: VELA_RUNTIME_KEY |
Outbound domains
generativelanguage.googleapis.com open-design.ai api.openai.com unpkg.com api.senseaudio.cn amr-api.open-design.ai ollama.com aihubmix.com opendesign.dev api.x.ai
Environment variables it reads
OD_TOOL_TOKEN OD_PROJECT_ID OPEN_DESIGN_OBJECT_OUTBOX_MODE APPDATA ANTHROPIC_API_KEY OPENAI_API_KEY OD_PORT OD_REQUIRE_DESKTOP_AUTH OD_MEMORY_MODEL ANTHROPIC_BASE_URL
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.