MCP server for Onshape CAD — 87 tools for modelling, assemblies and export, with zero-config browser sign-in
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add onshape --env ONSHAPE_ACCESS_KEY='<ONSHAPE_ACCESS_KEY>' --env ONSHAPE_SECRET_KEY='<ONSHAPE_SECRET_KEY>' -- npx -y @gpambrozio/onshape-mcp~/.codex/config.toml
[mcp_servers.onshape]
command = "npx"
args = ["-y", "@gpambrozio/onshape-mcp"]
env = { ONSHAPE_ACCESS_KEY = "<ONSHAPE_ACCESS_KEY>", ONSHAPE_SECRET_KEY = "<ONSHAPE_SECRET_KEY>" }
# codex mcp add onshape --env ONSHAPE_ACCESS_KEY='<ONSHAPE_ACCESS_KEY>' --env ONSHAPE_SECRET_KEY='<ONSHAPE_SECRET_KEY>' -- npx -y @gpambrozio/onshape-mcp~/.cursor/mcp.json
{
"mcpServers": {
"onshape": {
"command": "npx",
"args": [
"-y",
"@gpambrozio/onshape-mcp"
],
"env": {
"ONSHAPE_ACCESS_KEY": "<ONSHAPE_ACCESS_KEY>",
"ONSHAPE_SECRET_KEY": "<ONSHAPE_SECRET_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"onshape": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@gpambrozio/onshape-mcp"
],
"env": {
"ONSHAPE_ACCESS_KEY": "<ONSHAPE_ACCESS_KEY>",
"ONSHAPE_SECRET_KEY": "<ONSHAPE_SECRET_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"onshape": {
"command": "npx",
"args": [
"-y",
"@gpambrozio/onshape-mcp"
],
"env": {
"ONSHAPE_ACCESS_KEY": "<ONSHAPE_ACCESS_KEY>",
"ONSHAPE_SECRET_KEY": "<ONSHAPE_SECRET_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"onshape": {
"command": "npx",
"args": [
"-y",
"@gpambrozio/onshape-mcp"
],
"env": {
"ONSHAPE_ACCESS_KEY": "<ONSHAPE_ACCESS_KEY>",
"ONSHAPE_SECRET_KEY": "<ONSHAPE_SECRET_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"onshape": {
"command": "npx",
"args": [
"-y",
"@gpambrozio/onshape-mcp"
],
"env": {
"ONSHAPE_ACCESS_KEY": "<ONSHAPE_ACCESS_KEY>",
"ONSHAPE_SECRET_KEY": "<ONSHAPE_SECRET_KEY>"
}
}
}
}Environment variables
ONSHAPE_ACCESS_KEYONSHAPE_SECRET_KEY
Replace the placeholders with your own credentials and keep them out of version control.