pocket_sketch

A write tool on the FreeCAD Robust MCP server.

SERVERFreeCAD Robust MCP Server SOURCEspkane/freecad-addon-robust-mcp-server

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/spkane-freecad-addon-robust-mcp-server/pocket-sketch.md

WHAT IT DOES

What pocket_sketch does on FreeCAD Robust MCP Server

AI agents use pocket_sketch to create or update resources in FreeCAD Robust MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your FreeCAD Robust MCP Server environment.

RISK

Why pocket_sketch is rated Medium

The 'pocket_sketch' tool modifies 3D model geometry by creating or altering features in FreeCAD. This is reversible (can be edited or deleted within FreeCAD), so it classifies as Write rather than Destructive. However, it affects the design model state persistently.

From the tool's definition Tool name 'pocket_sketch' combined with sibling tools like 'add_sketch_arc', 'add_sketch_line', 'add_sketch_constraint' indicates manipulation of FreeCAD sketch/model geometry.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs pocket_sketch safely

PolicyLayer is an MCP gateway: it sits between your AI agents and FreeCAD Robust MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For pocket_sketch, this is the rule to start with:

pocket_sketch Rate-limited

pocket_sketch 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": {
    "pocket_sketch": {
      "limits": [
        {
          "counter": "pocket_sketch_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect FreeCAD Robust MCP Server, apply this rule, and every pocket_sketch call is checked against it from then on.

FAQ

Questions about pocket_sketch

What does the pocket_sketch tool do? +

pocket_sketch is a write tool on the FreeCAD Robust MCP Server MCP server. It is categorised as a Write tool in the FreeCAD Robust MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on pocket_sketch? +

Register the FreeCAD Robust MCP Server MCP server in PolicyLayer and add a rule for pocket_sketch: 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 FreeCAD Robust MCP Server. Nothing to install.

What risk level is pocket_sketch? +

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

Can I rate-limit pocket_sketch? +

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

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

pocket_sketch is provided by the FreeCAD Robust MCP Server MCP server (spkane/freecad-addon-robust-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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