sixtysevenlf/dsh-blender-plugin
Lets a DSH agent drive a local Blender over a direct TCP channel with 15 tools: viewport frames, custom-angle renders, Python execution, headless and job offload, transaction rollback, and a planning layer of 228 ops across 34 families.
Install
via GitHub · GitHub source
Installing from GitHub runs the project's build script, which pnpm blocks until you allowlist it — run the command once and pnpm prints the exact key to add under `allowBuilds` in ~/.dsh/profiles/web/pnpm-workspace.yaml.
The desktop app keeps its own profile, desktop, and only the dsh command it ships may change it — the npm-installed dsh refuses that profile. Install the command from the app menu (Manage dsh Command…), open Desktop once, quit it fully, run the line below, then reopen Desktop.
via GitHub · GitHub source
Installing from GitHub runs the project's build script, which pnpm blocks until you allowlist it — run the command once and pnpm prints the exact key to add under `allowBuilds` in ~/.dsh/profiles/desktop/pnpm-workspace.yaml.
Our install check ran in a web profile on npm's dsh, not in the desktop app.
What happened when we ran it
Installed cleanly when we ran it
Every command here is run in a throwaway container against a clean profile, and the result is whatever the harness recorded — not a guess from the source. Last run 6d agoon DeepSeek Harness 0.2.1-rc.5.
Show it in your README
For maintainers: the badge serves this listing's latest sandbox verdict, so a re-run updates it on its own — and it links readers to the full result here.
Due diligence
Security
No build script was blocked in our run.
Source: our sandbox install on DeepSeek Harness 0.2.1-rc.5, 6d ago.
package.json declares no preinstall, install or postinstall script.
Source: package.json on GitHub, read at our last sync. prepare is not recorded; it runs only on a GitHub install, and shows up under build scripts when pnpm blocks it.
shell commands (bash, exec, spawn …)
Source: a keyword match on the README — a hint about what the plugin touches, not an analysis of its code.
Not an audit. These are the record of one install and two text scans; nobody has read this plugin's code on your behalf. Plugins run with your agent's permissions.
What it is — Gives a DSH agent a live handle on the Blender instance on this machine: look, edit, run Python, render, or hand work to a background session.
Who it is for — You are using a DSH agent to check an assembly or build a parametric surface in a Blender window on the same computer, and you need the agent to read the viewport and a reference image, then re-render after each edit. Skip the plugin when the agent process cannot reach Blender on this machine; the channel listens on loopback.
Watch out — A clean profile accepted the install and the harness registered the plugin. GUI work still needs the bundled bridge addon enabled on Blender 4.x or 5.x first (or the persistent worker if there is no GUI), plus Node.js 20 or newer. The install runs shell commands, and no other Blender bridge is supported.
The verdict — Leave it off for a handful of one-off object edits; only keep the channel if that same .blend is already open all day under DSH.
Generated by grok-4.6, and a starting point rather than a verdict. Where it says a plugin installs or does not, that is from a real run in a clean profile — everything else is read off the repository. Trust the source over this.
dsh-blender-plugin is a DeepSeek Harness plugin that connects an agent to a local Blender session through a direct TCP channel. It is designed for building, inspecting, validating and exporting 3D scenes while the agent works against the Blender instance in front of it.
DeepSeek Harness uses the bundled addon/dsh_blender_bridge.py Blender addon for the GUI route. The addon listens on 127.0.0.1:9876; the plugin can inspect scenes, execute Python in a persistent Blender kernel, capture viewport or custom-angle frames, and send selected objects or collections into the current draft. A persistent headless worker provides code execution and Workbench frames when no GUI is available. The tool set also covers reference-image measurement, parametric surface construction, assembly checks and repairs, exports, background jobs, batch validation, rollback and delivery gates.
This is intended for agents operating on local Blender projects, including modelling, scene validation and export workflows. It is a poor fit when Blender is unavailable, when a remote Blender connection is required, or when the bundled addon cannot be installed for GUI use; headless operation still needs the Blender executable. The plugin exposes a terminal surface through Python execution, one-shot headless scripts and background jobs, so it can modify the local Blender scene and write exported assets with the agent’s permissions. Use the bundled addon only; the README explicitly instructs users not to install MCP for Blender or another Blender addon.
DeepSeek Harness loads dsh-blender-plugin as a profile bundle. The profile’s package.json uses the dependency key @dsh-external/dsh-blender-plugin and adds the same package to dsh.profile.bundles. The repository includes the built lib directory, so a normal checkout is ready to use. Rebuilding after changes to src/ uses DSH_CHECKOUT with scripts/build.sh.
The Blender-side connection is provided by addon/dsh_blender_bridge.py. Install and enable that file in Blender, open the 3D View’s N panel, and click Connect. The addon listens on 127.0.0.1:9876.
DeepSeek Harness exposes Blender operations including blender_viewport and blender_rt_worker.
blender_viewport with op="launch" starts Blender, enables the addon and connects automatically.blender_rt_worker with op="start" starts a persistent headless worker, taking a worker name.blender_rt_worker with op="see" requests a frame for that named worker.curl http://127.0.0.1:9877/health checks the service.curl http://127.0.0.1:9877/doctor checks the GUI route; acceptance requires kind equal to ok.A headless worker returning a frame confirms the fallback route. The GUI doctor’s bpy round-trip is expected to be unreachable in headless-only mode.
DeepSeek Harness must be installed and working. The backend requires Node.js 20 or newer. Blender 4.x or 5.x is supported; GUI mode requires the bundled addon, while headless mode requires only the Blender executable. An optional DeepSeek Harness source checkout is needed only to rebuild the plugin.
The normal path is GUI-first and interactive. Headless mode is a fallback that supplies Workbench frames rather than a GUI. Reference measurements return pixel units when no scale is known instead of inventing millimetres. The plugin can export GLB, FBX or OBJ in documented workflows, and can produce a turntable MP4. It is local-only as documented: the addon uses 127.0.0.1, and the README does not document a remote Blender transport.
Written from the project's own documentation and kept in sync with it. Where the two disagree, the source is authoritative — read the README on GitHub
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