This record as markdown: /tools/u-c4n-autocad-mcp/transaction-commit.md
What transaction_commit does on AutoCAD MCP Pro
AI agents use transaction_commit 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 transaction_commit is rated Medium
Committing a transaction finalizes and persists all pending changes made during a transaction to the CAD drawing. This is a Write operation as it makes changes permanent/reversible (the drawing can still be edited again). Severity is medium because misuse could prematurely commit unintended changes to the drawing, though the drawing itself isn't destroyed and changes could potentially be undone.
From the tool's definition Commit the current transaction
Attacks that exploit this kind of access
The rule that runs transaction_commit 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 transaction_commit, this is the rule to start with:
transaction_commit 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 transaction_commit call is checked against it from then on.
Questions about transaction_commit
Commit the current transaction. 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 transaction_commit: 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.
transaction_commit 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 transaction_commit 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 transaction_commit. 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.
transaction_commit 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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