Add a CPW straight path and open-to-ground termination.
AI agents use add_tlines_and_termination to create or update resources in Funky Junction — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Funky Junction environment.
This tool creates or modifies the quantum circuit design by adding transmission line structures and terminations to the model. These changes are reversible (components can be removed or modified in subsequent operations), and the tool has no destructive, financial, or code-execution characteristics.
From the tool's definition Tool description states it 'adds' a CPW (coplanar waveguide) straight path and termination—creating new design elements within a circuit model.
Attacks that exploit this kind of access
Add a CPW straight path and open-to-ground termination. It is categorised as a Write tool in the Funky Junction MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Funky Junction MCP server in PolicyLayer and add a rule for add_tlines_and_termination: 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 Funky Junction. Nothing to install.
add_tlines_and_termination 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 add_tlines_and_termination 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 add_tlines_and_termination. 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.
add_tlines_and_termination is provided by the Funky Junction MCP server (paulgoldschmidt/qsim-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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