Virtuoso Schematic MCP

This is a focused MCP server for interacting with Cadence Virtuoso schematics. It provides tools to inspect hierarchies, nets, instances, and verify schematic integrity.

Installation

1. Install the package:

   pip install -r requirements.txt

2. Start the SkillBridge Server in Virtuoso: In your Virtuoso CIW window:

   load("/path/to/your/python/site-packages/skillbridge/resources/server.il")
   pyStartServer(?port 5000)

Tools Available

• connect(host, port): Connects to the Virtuoso session.

• get_instances(lib, cell): Lists all instances (components) in the schematic.

• get_nets(lib, cell): Lists all nets and their connections (pins and instance terminals).

• inspect_instance(lib, cell, instance_name): Get properties and parameters of a specific component.

• check_and_save(lib, cell): Runs schCheck and dbSave to validate the schematic.

Configuration

Add to your claude_desktop_config.json:

"virtuoso-schematic": {
  "command": "python",
  "args": ["/path/to/virtuoso-schematic-mcp/src/server.py"]
}