Vexa
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Descripción del creador (original en inglés)
CAD in ChatGPT and Claude: editable parts, STEP/STL/drawings, in-chat 3D, automatic checks.
Estos tres nunca se combinan en una sola puntuación: las opiniones, las mediciones y la popularidad son cosas distintas.
Todavía no escribimos un resumen sencillo para este. Abajo están los datos que leímos del registro.
Elige la app de IA que usas y copia la configuración.
Necesitas
¿Qué app usas?
Elige tu app arriba. La recordamos, así que la próxima vez el botón dirá “Instalar en …”.
Funciona en Claude para web, escritorio y móvil:
https://mcp.kernelcad.com/mcpEjecuta esto en tu terminal
claude mcp add --transport http kernelcad https://mcp.kernelcad.com/mcpPégalo en .cursor/mcp.json de tu proyecto, o en ~/.cursor/mcp.json
{
"mcpServers": {
"kernelcad": {
"url": "https://mcp.kernelcad.com/mcp"
}
}
}Tu navegador te pide permiso para abrir la app; luego la app muestra la configuración y te pide confirmar. Los valores de las claves quedan vacíos para que los completes tú.
Pégalo en .vscode/mcp.json de tu proyecto
{
"servers": {
"kernelcad": {
"type": "http",
"url": "https://mcp.kernelcad.com/mcp"
}
}
}Tu navegador te pide permiso para abrir la app; luego la app muestra la configuración y te pide confirmar. Los valores de las claves quedan vacíos para que los completes tú.
ChatGPT solo se conecta a servidores en internet:
https://mcp.kernelcad.com/mcpLos nombres de los menús pueden variar un poco según el plan y con el tiempo.
Tu elección se guarda en una cookie en este dispositivo; no necesitas cuenta.
Esta configuración se genera a partir de la ficha del creador en el registro. Si el README dice otra cosa, sigue el README.
Todavía no hemos leído la lista de herramientas de este servidor; revisamos los endpoints por turnos.
Revisamos información que cualquiera puede ver; no hemos leído el código. Las revisiones que no aplican no se cuentan. · Revisado el 6 nov 2026
El nombre en el registro se verificó con el dominio kernelcad.com (el registro comprueba quién es dueño del dominio)
Todavía no hemos leído este repo en GitHub
Todavía no hemos leído este repo en GitHub
Aún sin revisar; revisamos los endpoints por turnos
Aún sin revisar; revisamos los endpoints por turnos
Aún sin revisar; leemos la lista de herramientas cuando revisamos el endpoint
Comparado con todos los servidores activos de esta categoría en el registro. Las estrellas solo cuentan cuando quien lo publica es dueño del repo.
Superó 1 de 1 revisiones básicas aplicables. No hemos leído el código. Antes de agregar una clave o un token, revisa qué acceso pide el servidor y usa una clave que tenga solo los permisos que necesitas.
El registro no indica ninguna clave obligatoria, aunque algunos servidores te piden iniciar sesión la primera vez que los usas.
Se ejecuta en la nube del creador. Te conectas por internet sin instalar nada, pero lo que envías pasa por los servidores del creador.
El repo de GitHub cambió por última vez –, y la última versión (0.17.1) llegó al registro hace 10 días.
Las apps compatibles con MCP, como Claude Desktop, Claude Code, Cursor y VS Code. Se conecta por URL, así que también funcionan las apps que aceptan servidores MCP remotos, como ChatGPT en modo desarrollador.
En la misma categoría: Vexa, emailmd, MCP WhatsApp Cloud
Servidores de la misma categoría hechos por otros creadores, ordenados por estrellas.
Cómo leer una tarjeta:★ Estrellas de GitHubiTres pilares: reseñas · revisiones · usoiActualizado = fecha en que se publicó la última versión en el registroi
Meeting bot and transcripts for Google Meet, Teams and Zoom. Live or after, speakers labelled.
Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.
MCP server for WhatsApp Cloud API (Meta) — messages, media, and templates via Graph API
Copiado tal cual del repo del creador. PopNx MCP no lo ha revisado ni lo respalda. Se quitaron HTML, imágenes y scripts. Los enlaces llevan fuera de este sitio.
Describe a mechanical part in ChatGPT, Claude, Codex, Cursor, or the browser. kernelCAD turns the brief into editable parametric CAD, lets you inspect and revise the geometry, and exports STEP, STL, and drawings.
Start here: Open Studio · Connect your agent · Watch real tool workflows · Read the prompt-to-STEP guide
Why not just generate an image? Your design remains .kcad.ts source: named features, editable dimensions and assembly structure. Agents can evaluate it, check constraints and clearances, revise the source, and export files for an engineer to inspect. Reproducible example source and documented checks are public. Geometry checks are not material-strength or manufacturing certification.
Connect a hosted MCP client: https://mcp.kernelcad.com/mcp (no local CAD install). Run locally: npx -y kernelcad mcp (Node.js 22.12+).
Source scope: this repository contains the reusable CAD runtime, CLI, MCP
tools and headless renderer. Hosted UI and commercial services are maintained
separately. Build the reusable tools with
npm run build; usenpm run dev
for the standalone renderer.
The workflow is: brief → editable .kcad.ts → evaluated B-rep → validation → guided revision → STEP/STL/drawing. OpenCASCADE is the geometry kernel; kernelCAD supplies the agent-first modeling and review workflow.
Describe a part, refine its editable CAD source, and export the geometry or drawing needed for the next step. These examples are starting points for designing parts for different processes:
| Process | Example | Reusable CAD reference |
|---|---|---|
| 3D printing | An electronics enclosure with locating lid and PCB posts | Enclosure |
| CNC milling | A bearing block with mounting holes and a stepped seat | Bearing block |
| Sheet metal | A four-hole bent bracket with a flat pattern | Bent bracket |
| Laser or waterjet cutting | A motor mounting plate with pilot and hole patterns | Motor plate |
| Turning | A shouldered spacer with an axial bore | Shoulder spacer |
| Assemblies | A bearing, housing, shaft and retainer | Bearing assembly |
| Injection molding | A drafted housing with board-screw bosses and structural ribs | Moulded housing |
The output is CAD for review, not a manufacturing certification. Check dimensions, fit, material and process requirements, and prototype or obtain engineering review as appropriate for the part. The case notes describe what has been checked and what remains open for each model.
kernelCAD runs as a connected app in ChatGPT (Apps SDK, with the Studio viewer and paint review inside the chat) and in Claude / claude.ai (custom connector). Add it from the chat settings and sign in:
https://mcp.kernelcad.com/mcpOne account everywhere. The coding-agent plugins below use the same hosted server (https://mcp.kernelcad.com/mcp) and the same kernelCAD sign-in. A model saved from Claude Code, Codex, Cursor, Gemini or Grok opens at the same Studio share link (/p/ ) you see in ChatGPT or Claude. Sign in with the same account in each client.
Ask your agent: “look at kernelcad.com and install the mcp”. Agent-readable installation instructions cover hosted setup, local CLI setup, and connection verification.
Run the MCP server over stdio with no install (Node.js 22.12 or newer):
npx -y kernelcad mcp
Claude Code: claude mcp add kernelcad -- npx -y kernelcad mcp
To keep the kernelcad command on your PATH:
npm install --global kernelcad
For a self-contained install that includes Node.js, Linux and macOS users can run:
curl -fsSL https://kernelcad.com/install.sh | sh
On Windows PowerShell, run:
irm https://kernelcad.com/install.ps1 | iex
The direct installers download a platform archive, verify its SHA-256 checksum, and install it under the user's home directory. Pin a release with KERNELCAD_VERSION=vX.Y.Z on Linux/macOS or $env:KERNELCAD_VERSION='vX.Y.Z' in PowerShell. Builds are available for Linux x64/ARM64, macOS Intel/Apple Silicon, and Windows x64. Direct installs do not require a separately installed Node.js.
For regulated or air-gapped machines, kernelcad --sandbox … and kernelcad mcp --sandbox --workspace (or KERNELCAD_SANDBOX=1) keep all file access inside one workspace directory and refuse outbound network at runtime, including telemetry. See docs/sandbox.md.
One command connects your agent to the hosted kernelCAD MCP server (https://mcp.kernelcad.com/mcp) and adds the kernelCAD skills. Nothing runs locally and no OpenCASCADE install is needed. Anonymous use works; sign in through your client's OAuth prompt for account features.
| Agent | One-liner |
|---|---|
| Claude Code | claude plugin install kernelcad --marketplace w1ne/kernelCAD-web |
| Codex | codex plugin marketplace add w1ne/kernelCAD-web && codex plugin add kernelcad@kernelcad |
| Cursor | Add kernelCAD MCP to Cursor (MCP only) |
| Gemini CLI | gemini extensions install https://github.com/w1ne/kernelCAD-web --consent --auto-update |
| Grok Build | grok plugin marketplace add w1ne/kernelCAD-web && grok plugin install kernelcad --trust |
| VS Code / Copilot | code --add-mcp '{"name":"kernelcad","type":"http","url":"https://mcp.kernelcad.com/mcp"}' |
| Skills only (any agent) | npx skills add w1ne/kernelCAD-web |
Inside Claude Code you can also type /plugin marketplace add w1ne/kernelCAD-web then /plugin install kernelcad@kernelcad. Restart the app after installing. Claude Desktop, ChatGPT, Windsurf, Cline, Zed, Continue, update, uninstall and the Cursor skills install are in docs/usage/agent-plugin-install.md.
Each model below started from the plain-language prompt shown. An AI agent wrote it through kernelCAD's own authoring loop (CLI / MCP): it wrote .kcad.ts source, ran evaluate, rendered the seven-view inspection sheet, read the renders, fixed what was wrong, and repeated. None of these is a one-shot generation. Each folder in showcase/ holds the parametric source, the turntable GIF (kernelcad animate --turntable, publish look), and a short note on what to look at and which checks were run.
| Model | Prompt | Params | Preview |
|---|---|---|---|
| Twisted hex vase | Hollow shell ~150 mm tall, tapers 70 → 50 mm, hex section twisting 120°, 2 mm wall, closed bottom | height baseDia mouthDia twistDeg wall | |
| Knurled control knob | Ø40 × 22 mm, diamond-knurled grip, raised pointer, 6 mm D-shaft bore, M3 set-screw hole | diameter height knurlDepth knurlTwistDeg knurlTeeth shaftDia dFlatDepth boreDepth skirtHeight | |
| Honeycomb bracket | Filleted L-bracket with a generative hex lattice | thickness innerFillet cellSize web | |
| NACA 2412 wing | True airfoil from the NACA equations, tapered loft | semiSpan rootChord tipChord leSweep dihedralRise washoutDeg | |
| Bevel gear drive | Meshing bevel gear pair at 90° | gearDeg pinionTeeth gearTeeth | |
| Centrifugal impeller | 7 swept backward-curved blades | bladeCount wrapDeg backplateThickness boreDia keyWidth | |
| Planetary gear stage | Sun, planets, ring, carrier | carrierDeg sunTeeth planetTeeth planetCount | |
| 9-cylinder radial engine | Round crankcase, nine finned cylinders in a star, domed heads, prop hub | cylinderCount barrelLength |
Some checks go past the picture:
evaluate_script → mechanism: "real") turns each mechanism through its limits with the couplings applied and looks for overlapping teeth. kernelcad validate --include-interference reports both assemblies clean.kernelcad dfm passes it (thinnest wall 2.0 mm, no unsupported overhang), and kernelcad export step writes a B-rep whose holes read back with kernelcad inspect step..kcad.ts, CLI, and MCP. The UI reviews and steers generated designs.The headless OCCT gate checks 27 native .kcad.ts reference parts against analytic or recorded OCCT volume, surface-area, and bounding-box values. The current headline is 27/27 reference parts match; the expected-pass gate is 27/27, with the analytic inputs and tolerances listed in the scorecard. See the reference-parts scorecard and its local validation demo.
The SolidCraft oracle ledger vendors that project's public reference cases (Apache-2.0) and checks the kernelCAD parts that have been mod
Solo se muestra el principio; lee el resto en el repo