virtuoso_create_cellview · Virtuoso Schematic MCP

WHAT IT DOES

What virtuoso_create_cellview does on Virtuoso Schematic MCP

AI agents use virtuoso_create_cellview to create or update resources in Virtuoso Schematic MCP — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Virtuoso Schematic MCP environment.

WHY IT NEEDS A POLICY

Why virtuoso_create_cellview needs a policy

This tool creates new design artifacts in the EDA environment, which is a reversible modification. While creation of new cellviews modifies the design database, it does not execute arbitrary code, delete data, or trigger financial operations.

From the tool's definition Tool name 'virtuoso_create_cellview' and description 'Create a new empty cellview' indicate creation of new design data structures (schematic, layout, or symbol) in Cadence Virtuoso.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

virtuoso_create_cellview Rate-limited

virtuoso_create_cellview stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "virtuoso_create_cellview": {
      "limits": [
        {
          "counter": "virtuoso_create_cellview_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Virtuoso Schematic MCP, so you can run agents against it safely.

FAQ

Questions about virtuoso_create_cellview

What does the virtuoso_create_cellview tool do? +

Create a new empty cellview (schematic, layout, or symbol). It is categorised as a Write tool in the Virtuoso Schematic MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on virtuoso_create_cellview? +

Register the Virtuoso Schematic MCP server in PolicyLayer and add a rule for virtuoso_create_cellview: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Virtuoso Schematic MCP. Nothing to install.

What risk level is virtuoso_create_cellview? +

virtuoso_create_cellview is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit virtuoso_create_cellview? +

Yes. Add a rate_limit block to the virtuoso_create_cellview rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block virtuoso_create_cellview completely? +

Set action: deny in the PolicyLayer policy for virtuoso_create_cellview. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides virtuoso_create_cellview? +

virtuoso_create_cellview is provided by the Virtuoso Schematic MCP server (michelebergo/virtuoso-schematic-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.