block_explode

A destructive tool on the AutoCAD MCP Pro MCP server.

SERVERAutoCAD MCP Pro SOURCEu-c4n/autocad-mcp

Critical RISK CLASS

Category Destructive

Parameters 00 required

Recommended Hiddensee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/u-c4n-autocad-mcp/block-explode.md

WHAT IT DOES

What block_explode does on AutoCAD MCP Pro

AI agents call block_explode to permanently remove resources in AutoCAD MCP Pro, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

RISK

Why block_explode is rated Critical

In AutoCAD, 'explode' is a well-known destructive operation that irreversibly decomposes a block reference (or other compound entity) into its constituent primitives, destroying the original block instance and losing block-level attributes and associations. This operation cannot be undone in an automated/headless context. The name strongly implies this standard CAD behavior.

From the tool's definition Tool name 'block_explode' on an AutoCAD automation server; description is empty.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs block_explode safely

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

block_explode Hidden

block_explode is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "block_explode"
  ]
}

RESTRICT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect AutoCAD MCP Pro, apply this rule, and every block_explode call is checked against it from then on.

FAQ

Questions about block_explode

What does the block_explode tool do? +

block_explode is a destructive tool on the AutoCAD MCP Pro MCP server. It is categorised as a Destructive tool in the AutoCAD MCP Pro MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on block_explode? +

Register the AutoCAD MCP Pro MCP server in PolicyLayer and add a rule for block_explode: 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 block_explode? +

block_explode is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit block_explode? +

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

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

block_explode 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.

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