entity_batch_modify
A write tool on the AutoCAD MCP Pro MCP server.
This record as markdown: /tools/u-c4n-autocad-mcp/entity-batch-modify.md
What entity_batch_modify does on AutoCAD MCP Pro
AI agents use entity_batch_modify to create or update resources in AutoCAD MCP Pro, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your AutoCAD MCP Pro environment.
Why entity_batch_modify is rated Medium
Batch modification of CAD entities is a Write operation—it alters drawing content reversibly without deletion. Severity is high because batch operations have broad blast radius: a single misconfigured agent call could modify many entities across a production drawing, causing significant rework.
From the tool's definition Tool name 'entity_batch_modify' indicates batch modification of CAD entities. Context from sibling tools (block_create_from_entities, entity-level operations, layer management) and server description stating 'entity modification' and 'batch processing'…
Attacks that exploit this kind of access
The rule that runs entity_batch_modify 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 entity_batch_modify, this is the rule to start with:
entity_batch_modify 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.
The button opens the PolicyLayer dashboard: create your workspace, connect AutoCAD MCP Pro, apply this rule, and every entity_batch_modify call is checked against it from then on.
Questions about entity_batch_modify
entity_batch_modify is a write tool on the AutoCAD MCP Pro MCP server. It is categorised as a Write tool in the AutoCAD MCP Pro MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the AutoCAD MCP Pro MCP server in PolicyLayer and add a rule for entity_batch_modify: 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.
entity_batch_modify is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the entity_batch_modify 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.
Set action: deny in the PolicyLayer policy for entity_batch_modify. 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.
entity_batch_modify 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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