analysis_select_by_type

THE RISK

Low Risk

Why analysis_select_by_type needs a policy

This tool queries the drawing for entities matching a specified type and returns their handles. It performs a read-only selection/filter operation with no side effects, modifications, or deletions.

From the tool's definition 'Get all entities of a specific type. Returns entity list with handles.' — retrieves and returns data with no modification

Documented attack patterns abuse exactly the kind of access analysis_select_by_type gives an agent:

POLICY

How to control analysis_select_by_type

PolicyLayer is an MCP gateway — it sits between your AI agents and AutoCAD MCP Pro, and nothing reaches the server without passing your rules. This is the rule we recommend for analysis_select_by_type:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "analysis_select_by_type": {}
  }
}

analysis_select_by_type is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register AutoCAD MCP Pro — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

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EXPLORE

Related tools and policies

More AutoCAD MCP Pro tools

Destructive construction_clear Delete every entity on the CONSTRUCTION layer. Idempotent. Destructive drawing_purge Purge all unused objects (layers, blocks, linetypes, styles) from the drawing. Destructive entity_delete Permanently delete an entity by its handle. Destructive entity_delete_many Delete multiple entities in one call. Returns count of deleted entities. Destructive layer_delete layer_delete Destructive block_explode block_explode Execute drawing_audit Run an integrity audit on the drawing to detect and fix errors. Execute system_run_command system_run_command

All 108 AutoCAD MCP Pro tools →

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about analysis_select_by_type

What does the analysis_select_by_type tool do? +

Get all entities of a specific type. Returns entity list with handles. It is categorised as a Read tool in the AutoCAD MCP Pro MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on analysis_select_by_type? +

Register the AutoCAD MCP Pro MCP server in PolicyLayer and add a rule for analysis_select_by_type: 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 AutoCAD MCP Pro. Nothing to install.

What risk level is analysis_select_by_type? +

analysis_select_by_type is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit analysis_select_by_type? +

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

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

analysis_select_by_type is provided by the AutoCAD MCP Pro MCP server (u-c4n/autocad-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every AutoCAD MCP Pro tool call.

Start from AutoCAD MCP Pro, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →