brick_set_build_mode
Set the build mode and/or snap flag.
This record as markdown: /tools/dend-brick-mcp-app/brick-set-build-mode.md
What brick_set_build_mode does on Brick Builder MCP App
AI agents use brick_set_build_mode to create or update resources in Brick Builder MCP App, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Brick Builder MCP App environment.
Why brick_set_build_mode is rated Medium
This is a Write operation because it creates or modifies data reversibly. Setting build mode and snap flags adjusts how the application behaves during construction, but these settings can be changed again without permanent loss of data or destructive effects. It does not execute arbitrary code, delete content, or cause financial impact.
From the tool's definition The tool name and description indicate it modifies state: 'Set the build mode and/or snap flag.' It changes configuration settings in the 3D scene, which is a reversible modification of the application's operational mode.
Attacks that exploit this kind of access
The rule that runs brick_set_build_mode safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Brick Builder MCP App, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For brick_set_build_mode, this is the rule to start with:
brick_set_build_mode 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 Brick Builder MCP App, apply this rule, and every brick_set_build_mode call is checked against it from then on.
Questions about brick_set_build_mode
Set the build mode and/or snap flag. It is categorised as a Write tool in the Brick Builder MCP App MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Brick Builder MCP App MCP server in PolicyLayer and add a rule for brick_set_build_mode: 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 Brick Builder MCP App. Nothing to install.
brick_set_build_mode 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 brick_set_build_mode 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 brick_set_build_mode. 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.
brick_set_build_mode is provided by the Brick Builder MCP App MCP server (dend/brick-mcp-app). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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