CADProps MCP server

Endpoint: https://www.cadprops.com/api/v1/mcp · Authentication: No auth

Inspect supported CAD files, report dimensions and geometry properties, preview models, convert supported formats and hand off to the CADProps workspace. Guest MCP processing uses no account or API key; uploaded files and results expire after about one hour.

Test it live Run the release-readiness report

How do I authenticate?

Add the endpoint directly in your client. The catalog records no authentication requirement; no OAuth sign-in or API key is configured in this setup. The live server may change.

Authentication and connection guide

Connection specification

Remote endpoint: https://www.cadprops.com/api/v1/mcp
Browser access: Authenticated proxy required
Declared MCP transport: Streamable HTTP
Live-validated MCP transport: Streamable HTTP — Observed by the latest catalog validation
Declared authentication: No authentication
Detected authentication: No authentication detected or retained from publisher evidence
Protocol lifecycle: Stateful MCP · 2025-11-25
Category: Design

Product documentation

More Design MCP servers · Browse all MCP servers · Test this endpoint in the MCP Playground

Authorization setup

No app registration needed

This catalog entry does not require authorization or provider app registration.

Connect it

Live-validated endpoint: https://www.cadprops.com/api/v1/mcp · Streamable HTTP. No authentication is required by the catalog listing.

Agent prompt for Claude Code or Codex

Add the CADProps MCP server to my MCP client configuration and verify that it works.

What it is: Inspect supported CAD files, report dimensions and geometry properties, preview models, convert supported formats and hand off to the CADProps workspace. Guest MCP processing uses no account or API key; uploaded files and results expire after about one hour.
Server URL: https://www.cadprops.com/api/v1/mcp
Transport: Streamable HTTP (remote MCP server, no local install).
Authentication: none. The server accepts connections without credentials.
Tools (4, as last observed by mcptest): convert_cad, inspect_cad, open_in_workspace, refresh_view_token.
Reference: https://mcptest.io/servers/cadprops/

Steps:
1. Work out which MCP client I use (Claude Code, Codex, Cursor, VS Code or another) and add the server under the name "cadprops" in that client's MCP configuration, user scope unless I ask otherwise.
   Claude Code: claude mcp add --transport http --scope user 'cadprops' 'https://www.cadprops.com/api/v1/mcp'
   Codex: codex mcp add 'cadprops' --url 'https://www.cadprops.com/api/v1/mcp'
   Other clients: use the setup for that client on the reference page.
2. Never write a credential value into a file that could be committed; reference an environment variable or the client's secret store, and ask me for any value you need.
3. Verify: connect to the server and call tools/list. Confirm the tools above are listed, and report any sign-in step I still have to complete.

Claude Code setup

Run in a terminal. This user-scoped entry is available across projects.

claude mcp add --transport http --scope user 'cadprops' 'https://www.cadprops.com/api/v1/mcp'

Codex CLI setup

Run in a terminal; Codex stores the entry in ~/.codex/config.toml.

codex mcp add 'cadprops' --url 'https://www.cadprops.com/api/v1/mcp'

Cursor setup

Add to .cursor/mcp.json for this project, or ~/.cursor/mcp.json for all projects.

{
  "mcpServers": {
    "cadprops": {
      "url": "https://www.cadprops.com/api/v1/mcp"
    }
  }
}

VS Code setup

Add to .vscode/mcp.json, or run “MCP: Open User Configuration” for a private user-level entry.

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

Claude setup

Add the endpoint above in Claude:

Customize > Connectors > Add custom connector
Team/Enterprise: Organization settings > Connectors > Add > Custom > Web

Claude Desktop setup

Add the endpoint above in Claude Desktop:

Remote: Customize > Connectors (same as claude.ai)
Local: Settings > Developer > Edit Config, or Settings > Extensions for .mcpb files
~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows), local servers only

ChatGPT setup

Add the endpoint above in ChatGPT:

ChatGPT web: Plugins > Add custom MCP server, then configure authentication and accept the risk warning

Windsurf setup

Add the endpoint above in Windsurf:

~/.config/devin/mcp_config.json (%APPDATA%\devin\mcp_config.json on Windows), serverUrl or url
Cascade panel > ... > MCPs > Open MCP config file

Gemini CLI setup

Add the endpoint above in Gemini CLI:

gemini mcp add --transport http <name> <url>
~/.gemini/settings.json (user) or .gemini/settings.json (project), mcpServers

MCP SDK setup

Add the endpoint above in MCP SDK:

Programmatic: new Client(...).connect(new StreamableHTTPClientTransport(url))

Client compatibility

Client	Status	Why
Claude Code	Supported	Claude Code supports Streamable HTTP servers and servers without authentication.
Codex	Partial	Codex's documentation does not state support for servers without authentication. Codex CLI ignores resources: The server can still connect, but Codex CLI does not consume the advertised resources capability.
Cursor	Supported	Cursor supports Streamable HTTP servers and servers without authentication.
VS Code	Supported	VS Code supports Streamable HTTP servers and servers without authentication.
Claude	Supported	Claude supports Streamable HTTP servers and servers without authentication.
Claude Desktop	Supported	Claude Desktop supports Streamable HTTP servers and servers without authentication.
ChatGPT	Partial	ChatGPT ignores resources: The server can still connect, but ChatGPT does not consume the advertised resources capability. Stateful routing needs operational care: ChatGPT can preserve MCP sessions, but the deployment must route a session consistently and retain its state.
Windsurf	Partial	Windsurf's documentation does not state support for servers without authentication.
Gemini CLI	Supported	Gemini CLI supports Streamable HTTP servers and servers without authentication.
MCP SDK	Supported	MCP SDK supports Streamable HTTP servers and servers without authentication.

Computed from this server's validated transport, protocol and authentication against documented client support. Checks the catalog has not observed are not counted.

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Guides for this server

Watch this server for breaking changes

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Latest validation evidence

Validation status: Online when last tested
Validation checked at: Nov 1, 2026 at 8:34 AM
Validation detail: Negotiated stateful MCP 2025-11-25 at https://www.cadprops.com/api/v1/mcp; detected transport streamable-http; authentication none

Tool inventory

What the catalog validator observed on Nov 1, 2026 at https://www.cadprops.com/api/v1/mcp without credentials. The live server may have changed since; connect in the Playground for the current list.

Tools provided by CADProps 4

Some details were sanitized for public display.

convert_cadNo outputSchema
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.
Input ref: string, step_kind?: string, target: string, wait_seconds?: integer
- ref: stringrequired
  The ref from an inspect_cad result. An upload_ticket is not a ref.
- step_kind?: stringoptional
  Only for target=step: auto picks solid B-Rep when the source was exact else mesh STEP; solid forces B-Rep; mesh forces triangulated STEP.
- target: stringrequired
  Output format: step (CAD B-Rep or mesh STEP), stl (triangle mesh), or glb (glTF binary mesh).
- wait_seconds?: integeroptional
  Seconds to wait for conversion to finish before returning status=running, 0–20, default 15.
inspect_cadoutputSchema declared
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, F3D, GCODE, GIF, GLB, GLTF, GZ, IAM, ICO, IDW, IFC, IFCZIP, IGES, IGS, IPT, JPG, JT, NEU, OBJ, PAR, PCX, PDF, PLT, PLY, PNG, PRC, PRT, PSM, RAR, SAB, SAT, SLDASM, SLDDRW, SLDPRT, STEP, STL, STP, SVG, TGA, TGZ, TIFF, U3D, UNV, VDA, VDAFS, VRML, WEBP, WMF, WRL, WRZ, X3D, X3DV, X_B, X_T, ZIP. Creo .prt files with supported saved triangle strips show
Input file?: object, ref?: string, upload_ticket?: string, wait_seconds?: integer
- file?: objectoptional
  Hosted CAD file from the chat platform. Prefer this when the host already uploaded the attachment; otherwise omit and use the upload link flow.
- ref?: stringoptional
  Reference returned by an earlier inspect_cad call.
- upload_ticket?: stringoptional
  Ticket from a previous upload link, after the user says the upload is done.
- wait_seconds?: integeroptional
  Seconds to wait for inspect to finish before returning status=running, 0–20, default 15.
open_in_workspaceNo outputSchema
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.
Input ref: string
- ref: stringrequired
  The ref from an inspect_cad result. An upload_ticket is not a ref.
refresh_view_tokenNo outputSchema
Used by the CADProps preview to renew its read-only token.
Input ref: string
- ref: stringrequired
  The ref from an inspect_cad result whose preview token should be renewed.

Resources 1

Some details were sanitized for public display.

CADProps 3D preview