Simulate, generate and draw analog circuits in Micro-Cap 12: SPICE analyses, sweeps and schematics
Connect Runs on your machine
claude mcp add microcap-mcp -e MICROCAP_HOME=<MICROCAP_HOME> -- uvx microcap-mcp==0.1.1
{
"mcpServers": {
"microcap-mcp": {
"command": "uvx",
"args": [
"microcap-mcp==0.1.1"
],
"env": {
"MICROCAP_HOME": "<MICROCAP_HOME>"
}
}
}
}
{
"mcpServers": {
"microcap-mcp": {
"command": "uvx",
"args": [
"microcap-mcp==0.1.1"
],
"env": {
"MICROCAP_HOME": "<MICROCAP_HOME>"
}
}
}
}
{
"servers": {
"microcap-mcp": {
"type": "stdio",
"command": "uvx",
"args": [
"microcap-mcp==0.1.1"
],
"env": {
"MICROCAP_HOME": "<MICROCAP_HOME>"
}
}
}
}
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
MICROCAP_HOMEOptional | Folder holding mc12_64.exe, if Micro-Cap 12 is installed somewhere the automatic scan does not find |
Details
| Package | [email protected] (PYPI, stdio) |
| First published | 26 Jul 2026 |
| Last updated | 26 Jul 2026 |
| Registry name | io.github.monoxide-xen/microcap-mcp |
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