Configure a furniture item as an FDS thermocouple for temperature measurement.
AI agents use bulc_set_fds_thermocouple to create or update resources in BULC Building Designer — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your BULC Building Designer environment.
The tool configures (modifies) an existing furniture item's properties to function as a measurement device in the FDS fire simulation. This is a reversible write operation that changes object state rather than creating new objects. While it affects simulation setup, it does not execute external code, delete data, or trigger financial transactions. The undo/redo support confirms reversibility.
From the tool's definition Tool description states 'Configure a furniture item as an FDS thermocouple' — this modifies configuration of a simulation object.
Attacks that exploit this kind of access
Configure a furniture item as an FDS thermocouple for temperature measurement. It is categorised as a Write tool in the BULC Building Designer MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the BULC Building Designer MCP server in PolicyLayer and add a rule for bulc_set_fds_thermocouple: 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 BULC Building Designer. Nothing to install.
bulc_set_fds_thermocouple 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 bulc_set_fds_thermocouple 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 bulc_set_fds_thermocouple. 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.
bulc_set_fds_thermocouple is provided by the BULC Building Designer MCP server (using76/bulc_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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