vivado_freeze_design_spec · Vivado Mcp Agent MCP

WHAT IT DOES

What vivado_freeze_design_spec does on Vivado Mcp Agent

AI agents use vivado_freeze_design_spec to create or update resources in Vivado Mcp Agent — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Vivado Mcp Agent environment.

WHY IT NEEDS A POLICY

Why vivado_freeze_design_spec needs a policy

This tool creates or modifies data reversibly—it freezes a design specification file, which is a write operation that can presumably be unfrozen or modified later. While it has validation checks (confirm=true, no unconfirmed assumptions), it still results in a persistent state change to a critical configuration artifact.

From the tool's definition The tool modifies design_spec.yaml by freezing it (a state change), contingent on confirmation and validation. The description uses action language 'Freeze' indicating modification of configuration state.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

vivado_freeze_design_spec Rate-limited

vivado_freeze_design_spec 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": {
    "vivado_freeze_design_spec": {
      "limits": [
        {
          "counter": "vivado_freeze_design_spec_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 Vivado Mcp Agent, so you can run agents against it safely.

FAQ

Questions about vivado_freeze_design_spec

What does the vivado_freeze_design_spec tool do? +

Freeze design_spec.yaml after confirm=true and no unconfirmed hardware-critical assumptions remain. It is categorised as a Write tool in the Vivado Mcp Agent MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on vivado_freeze_design_spec? +

Register the Vivado Mcp Agent MCP server in PolicyLayer and add a rule for vivado_freeze_design_spec: 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 Vivado Mcp Agent. Nothing to install.

What risk level is vivado_freeze_design_spec? +

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

Can I rate-limit vivado_freeze_design_spec? +

Yes. Add a rate_limit block to the vivado_freeze_design_spec 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 vivado_freeze_design_spec completely? +

Set action: deny in the PolicyLayer policy for vivado_freeze_design_spec. 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 vivado_freeze_design_spec? +

vivado_freeze_design_spec is provided by the Vivado Mcp Agent MCP server (wangyuxin0707/vivado-mcp-agent). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.