cad-viewer

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Start or reuse CAD Viewer and return review links for explicit CAD, robot-description, and G-code files. Use when visually reviewing `.step`, `.stp`, `.glb`, `.stl`, `.3mf`, `.gcode`, `.dxf`, `.urdf`, `.srdf`, or `.sdf` files, especially when handed off from CAD, G-code, URDF, SRDF, or SDF generation skills.

7installs

Sourceearthtojake/text-to-cad

Added on2026-05-28

NPX Install

npx skill4agent add earthtojake/text-to-cad cad-viewer

SKILL.md Content

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CAD Viewer

Use this skill to open existing or newly generated CAD, robot-description, DXF, or plain FDM G-code files in CAD Viewer and hand back live review links. The expected input is one or more explicit file paths.

Start Viewer

Run from this skill directory:

bash

npm --prefix scripts/viewer run serve:ensure -- --file path/to/model.step

When the workspace is known, pass it explicitly:

bash

npm --prefix scripts/viewer run serve:ensure -- \
  --workspace-root /path/to/workspace \
  --file path/to/model.step

Use only the URL printed by

serve:ensure

; do not assume a fixed port.

serve:ensure

probes registered local Viewer servers, reuses a matching scan root when possible, and otherwise starts the packaged production server. In sandboxed agent environments, local binding/probing failures such as

EPERM

or

EACCES

can be expected; rerun the same command with the needed permission/escalation instead of choosing an arbitrary port.

Pass exactly one

--file

per

serve:ensure

invocation. For multiple requested files, run the command once per file and return each printed URL.

Links

Return the printed Viewer link for each requested file.
If a single server is already running for the same scan root, reuse it and vary the
```
?file=
```
query only when that points at the requested file.
Do not stop an existing Viewer server unless the user asks.
If Viewer startup fails, report the failure and continue with the owning skill's non-GUI validation or artifacts.

References

Read
```
references/development.md
```
when the user asks to modify, debug, or iterate on CAD Viewer source.
Read
```
references/viewer-features.md
```
when you need supported file types, Viewer controls, or file-specific feature details.
Read
```
references/moveit2-server.md
```
only when the user specifically needs optional SRDF MoveIt2 IK or path-planning controls.