kicad.save_project · Eda MCP: Risk & Policy

WHAT IT DOES

What kicad.save_project does on Eda

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

WHY IT NEEDS A POLICY

Why kicad.save_project needs a policy

The tool saves a KiCad project, which creates or modifies project files reversibly. This is a Write operation rather than Destructive because saving is non-destructive and reversible (previous versions can be recovered). High severity is appropriate because an AI agent that unexpectedly saves a project could overwrite user work or corrupt design state if called at the wrong time or with incorrect project context.

From the tool's definition Tool name is 'kicad.save_project' which indicates persisting/writing project state to storage. Description is empty, but the verb 'save' in the context of KiCad design files clearly indicates a write operation that modifies project data on disk.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

kicad.save_project Rate-limited

kicad.save_project 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": {
    "kicad.save_project": {
      "limits": [
        {
          "counter": "kicad.save_project_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 Eda, so you can run agents against it safely.

FAQ

Questions about kicad.save_project

What does the kicad.save_project tool do? +

kicad.save_project. It is categorised as a Write tool in the Eda MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on kicad.save_project? +

Register the Eda MCP server in PolicyLayer and add a rule for kicad.save_project: 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 Eda. Nothing to install.

What risk level is kicad.save_project? +

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

Can I rate-limit kicad.save_project? +

Yes. Add a rate_limit block to the kicad.save_project 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 kicad.save_project completely? +

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

kicad.save_project is provided by the Eda MCP server (saeronlab/eda-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.