deepseekplugins

DeepSeek Harness plugin

dsh-cad-roymina

DeepSeek Harness tools for inspecting, extracting and previewing CAD files.

Tools & Capabilities
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Source facts

Repository
roymina/dsh-cad
Latest update
Aug 22, 2026
Category
Tools & Capabilities
GitHub stars
0
Format
plugin
Catalog evidence
Upstream dsh.bundle evidence
Evidence path
package.json#dsh.bundle
Checked against
0.1.0-rc.8
Upstream check date
2026-08-21

This evidence comes from the upstream catalog. This site has not installed, run, or security-reviewed the plugin.

Install

Start with a prompt that asks an agent to review the GitHub repository and source. Switch to the command if you want to install it yourself.

Copy this prompt into DSH, Codex, or another agent and ask it to review the GitHub repository and source first.

Do not install or run any commands yet. Read this plugin's GitHub repository, README, and relevant source code. Then answer the questions below clearly and directly so I can decide whether it fits my needs:

1. What is this plugin, and what problem does it solve?
2. Who is it for, and what are its typical use cases?
3. How is it used after installation? Include one minimal example.
4. What known limitations or privacy, security, compatibility, or maintenance risks does it have?
5. Give a clear recommendation: recommend, conditionally recommend, or do not recommend, with reasons.

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GitHub: https://github.com/roymina/dsh-cad
Plugin: dsh-cad-roymina
Author: roymina

Check the source files

Read the README and other files from this plugin directory before installing.

File explorer3 files
README.mdSource · read only

dsh-cad-plugin

DeepSeek Harness tools for read-only DWG/DXF inspection, information extraction, image export, and DWG-to-DXF conversion.

The first implementation targets DWG and DXF files through @node-projects/acad-ts. It never edits the input drawing.

From this package directory, install into a Harness profile with:

dsh plugin --profile dshcadtest add .
dsh --profile dshcadtest --dump-config

Outputs are written below the configured outputDir (default ./cad-output).

Configuration and limits

outputDir is isolated from input files and existing outputs are never overwritten. Resource defaults are: maxFileSizeMB=50, maxEntities=200000, maxExtractItems=10000, maxImageDimension=8192, maxImagePixels=64000000, maxBlockDepth=16, maxBlockInstances=10000, maxConcurrent=2, maxSvgBytes=20000000, and maxCsvBytes=20000000. Set allowedInputRoots to restrict canonical input paths; paths outside it return INPUT_OUTSIDE_ALLOWED_ROOTS.

The plugin registers three native tools:

  • cad_inspect — drawing metadata, bounds, layers, blocks, and entity counts.
  • cad_extract — texts, layers, blocks, or entities; optional JSON/CSV report.
  • cad_export — simple SVG/PNG preview or DXF conversion.

All tools return JSON with either a successful result or { ok:false, error:{ code, message, details } }. Common recovery codes include FILE_NOT_FOUND, PERMISSION_DENIED, INPUT_OUTSIDE_ALLOWED_ROOTS, UNSUPPORTED_FORMAT, PARSE_FAILED, ENTITY_LIMIT_EXCEEDED, GEOMETRY_LIMIT_EXCEEDED, RENDER_LIMIT_EXCEEDED, OUTPUT_EXISTS, OUTPUT_LIMIT_EXCEEDED, and CONVERSION_VALIDATION_FAILED.

Examples

{"path":"./plan.dwg"}

cad_inspect returns version/unit objects, header and actual bounds, layer flags, model/Paper Space and block statistics, resource counts, and a bounded warning summary.

{"path":"./plan.dwg","section":"texts","limit":200,"saveAs":"csv","bom":true}

cad_extract supports texts, layers, blocks, and entities; filters and limits are applied before returning records. CSV cells beginning with =, +, -, or @ are protected against formula injection.

{"path":"./plan.dwg","format":"svg","layout":"Model","background":"#ffffff"}

cad_export supports SVG, PNG, and validated Unicode binary DXF. SVG/PNG results include output bytes, SHA-256, bounds, source/expanded/rendered/skipped counts, unsupported type counts, and preview completeness. DXF conversion reopens the output and compares text, entity types, and layers; severe mismatches return CONVERSION_VALIDATION_FAILED.

The preview supports lines, circles, arcs, ellipses, splines, hatches, polylines (including closed/bulge paths), text/MText/attributes, inserts with nested transforms and arrays, points, solids, and leaders. Raster images, wipeouts, meshes, and unsupported proxy entities remain explicit in unsupportedEntityTypes. Paper Space is selected with layout; Model is the default.

DWG input is read-only. DXF output uses the library byte writer with a UTF-8 code page and semantic round-trip validation. Parser and writer warnings are deduplicated and capped to a configurable sample count.

The preview renderer focuses on common 2D lines, polylines, circles, and text. It preserves the source drawing and reports parser warnings for unsupported or malformed CAD objects.

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