# CADProps

> Fast multi-format CAD previews, geometry checks and conversion; measure and share in the workspace.

- name: com.cadprops/cadprops
- version: 1.0.0
- connection class: R0 (autonomous)
- trust: 83/100 flags: no-repository
- quality: 88/100 (good)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/com.cadprops%2Fcadprops
- tools: https://api.protogrid.dev/v1/servers/com.cadprops%2Fcadprops/tools

**An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe.

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "cadprops": {
      "type": "http",
      "url": "https://www.cadprops.com/api/v1/mcp"
    }
  }
}
```


## Trust

- hygiene: 80
- liveness: 100
- freshness: 100
- provenance: 55
- drivers: +dns-namespace +website +reachable +uptime-100% +updated-7d-ago -no-repository
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 88/100 (good)

### protocol: 75 (weight 25)

- warn `protocol.modern`: newest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
- n/a `protocol.stateless`: only applies to 2026-07-28 servers
- pass `protocol.transport`: streamable HTTP
- n/a `protocol.list_ttl`: only applies to 2026-07-28 servers

### authorization: n/a (weight 15)

- n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth
- n/a `auth.secret_in_url`: no templated URL

### tool hygiene: 93 (weight 30)

- pass `tools.descriptions`: every tool has a description
- pass `tools.description_length`: descriptions are concise
- pass `tools.schemas`: every tool has an object input schema
- pass `tools.annotations`: 4 of 4 tools declare readOnlyHint or destructiveHint
- warn `tools.directory_hints`: 1 of 4 tools declare all four hints; missing: open_in_workspace (idempotentHint); inspect_cad (idempotentHint); refresh_view_token (idempotentHint)
- pass `tools.token_cost`: about 780 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump

### stability: 100 (weight 15)

- pass `stability.changes`: 4 tool changes in 30 days
- pass `stability.rug_pull`: no tool changed its meaning under the same name

### dependencies: n/a (weight 15)

- n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package

- tools: 4, about 780 tokens to load them all
- tool set hash: b20a884b59e3e2c2040d5830e4a0e75a
- tools last changed: 2026-10-19T13:46:25.825Z
- badge: [![protogrid quality](https://protogrid.dev/badge/com.cadprops/cadprops.svg)](https://protogrid.dev/servers/com.cadprops/cadprops)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

- 2026-10-19 `inspect_cad` changed (description)
  - before: Open a CAD file on CADProps servers and report its format, size, volume, area, units and accuracy, with an interactive 3D preview. Supported: 3DM, 3DXML, 3MF, AMF, ASM, CATDRAWING, CATPART, CATPRODUCT, DFT, DRW, DWF, DWFX, DWG, DXF, GLB, GLTF, IAM, IDW, IGES, IGS, IPT, JT, OBJ, PAR, PDF, PLY, PRT, PSM, RAR, SAB, SAT, SLDASM, SLDDRW, SLDPRT, STEP, STL, STP, SVG, VRML, WRL, WRZ, X_B, X_T, ZIP. Creo .prt files with supported saved triangle strips show a partial 3D preview with unverified units and no physical measurements. Other Creo .prt files, Creo .asm files and CATIA .CATProduct files show only the thumbnail saved in the file when available. Call with no file to get a one-time upload link. Files are deleted about one hour after upload.
  - after: Open a CAD file on CADProps servers and report its format, size, volume, area, units and accuracy, with an interactive 3D preview. Supported: 3DM, 3DXML, 3MF, 7Z, AMF, ASM, BMP, CATDRAWING, CATPART, CATPRODUCT, CGM, DFT, DRW, DWF, DWFX, DWG, DXF, EMF, GIF, GLB, GLTF, GZ, IAM, ICO, IDW, IGES, IGS, IPT, JPG, JT, OBJ, PAR, PCX, PDF, PLT, PLY, PNG, PRT, PSM, RAR, SAB, SAT, SLDASM, SLDDRW, SLDPRT, STEP, STL, STP, SVG, TGA, TGZ, TIFF, VRML, WEBP, WMF, WRL, WRZ, X_B, X_T, ZIP. Creo .prt files with supported saved triangle strips show a partial 3D preview with unverified units and no physical measurements. Other Creo .prt files, Creo .asm files and CATIA .CATProduct files show only the thumbnail saved in the file when available. Call with no file to get a one-time upload link. Files are deleted about one hour after upload.
- 2026-10-19 `inspect_cad` changed (outputSchema)
- 2026-10-14 `inspect_cad` changed (description)
  - before: Open a CAD file on CADProps servers and report its format, size, volume, area, units and accuracy, with an interactive 3D preview. Supported: 3DM, 3MF, ASM, CATPART, CATPRODUCT, DWF, DWFX, DWG, DXF, GLB, GLTF, IAM, IGES, IGS, IPT, JT, OBJ, PAR, PDF, PRT, PSM, SAB, SAT, SLDASM, SLDPRT, STEP, STL, STP, SVG, X_B, X_T, ZIP. Creo .prt files with supported saved triangle strips show a partial 3D preview with unverified units and no physical measurements. Other Creo .prt files, Creo .asm files and CATIA .CATProduct files show only the thumbnail saved in the file when available. Call with no file to get a one-time upload link. Files are deleted about one hour after upload.
  - after: Open a CAD file on CADProps servers and report its format, size, volume, area, units and accuracy, with an interactive 3D preview. Supported: 3DM, 3DXML, 3MF, AMF, ASM, CATDRAWING, CATPART, CATPRODUCT, DFT, DRW, DWF, DWFX, DWG, DXF, GLB, GLTF, IAM, IDW, IGES, IGS, IPT, JT, OBJ, PAR, PDF, PLY, PRT, PSM, RAR, SAB, SAT, SLDASM, SLDDRW, SLDPRT, STEP, STL, STP, SVG, VRML, WRL, WRZ, X_B, X_T, ZIP. Creo .prt files with supported saved triangle strips show a partial 3D preview with unverified units and no physical measurements. Other Creo .prt files, Creo .asm files and CATIA .CATProduct files show only the thumbnail saved in the file when available. Call with no file to get a one-time upload link. Files are deleted about one hour after upload.
- 2026-10-14 `inspect_cad` changed (description)
  - before: Open a CAD file on CADProps servers and report its format, size, volume, area, units and accuracy, with an interactive 3D preview. Supported: 3DM, 3MF, ASM, CATPART, CATPRODUCT, DWF, DWFX, DWG, DXF, GLB, GLTF, IAM, IGES, IGS, IPT, JT, OBJ, PAR, PDF, PRT, PSM, SAB, SAT, SLDASM, SLDPRT, STEP, STL, STP, SVG, X_B, X_T, ZIP. Creo .prt/.asm files and CATIA .CATProduct files show only the thumbnail saved in the file (no 3D, no measurements). Call with no file to get a one-time upload link. Files are deleted about one hour after upload.
  - after: Open a CAD file on CADProps servers and report its format, size, volume, area, units and accuracy, with an interactive 3D preview. Supported: 3DM, 3MF, ASM, CATPART, CATPRODUCT, DWF, DWFX, DWG, DXF, GLB, GLTF, IAM, IGES, IGS, IPT, JT, OBJ, PAR, PDF, PRT, PSM, SAB, SAT, SLDASM, SLDPRT, STEP, STL, STP, SVG, X_B, X_T, ZIP. Creo .prt files with supported saved triangle strips show a partial 3D preview with unverified units and no physical measurements. Other Creo .prt files, Creo .asm files and CATIA .CATProduct files show only the thumbnail saved in the file when available. Call with no file to get a one-time upload link. Files are deleted about one hour after upload.

Full history: https://api.protogrid.dev/v1/servers/com.cadprops%2Fcadprops/changes

## Remotes

- https://www.cadprops.com/api/v1/mcp (streamable-http, auth none, reachable true, uptime30d 1)

## Packages

_none_

## Tools (4)

- `convert_cad`: Convert a file opened with inspect_cad to STEP, STL or GLB and return a download link that expires in 30 minutes. STEP is a solid B-Rep when the source was read exactly; otherwise it is a triangulated STEP that CAD software cannot edit as a solid. STL and GLB are always triangulated meshes.
- `inspect_cad`: Open a CAD file on CADProps servers and report its format, size, volume, area, units and accuracy, with an interactive 3D preview. Supported: 3DM, 3DXML, 3MF, 7Z, AMF, ASM, BMP, CATDRAWING, CATPART, CATPRODUCT, CGM, DFT, DRW, DWF, DWFX, DWG, DXF, EMF, GIF, GLB, GLTF, GZ, IAM, ICO, IDW, IGES, IGS, IPT, JPG, JT, OBJ, PAR, PCX, PDF, PLT, PLY, PNG, PRT, PSM, RAR, SAB, SAT, SLDASM, SLDDRW, SLDPRT, STEP, STL, STP, SVG, TGA, TGZ, TIFF, VRML, WEBP, WMF, WRL, WRZ, X_B, X_T, ZIP. Creo .prt files with supported saved triangle strips show a partial 3D preview with unverified units and no physical measurements. Other Creo .prt files, Creo .asm files and CATIA .CATProduct files show only the thumbnail saved in the file when available. Call with no file to get a one-time upload link. Files are deleted about one hour after upload.
- `open_in_workspace`: Return a one-time link (valid 15 minutes) that opens this file in the CADProps web workspace for measuring, sectioning and sharing. After it is opened, the chat preview and links for this file stop working.
- `refresh_view_token`: Used by the CADProps preview to renew its read-only token.