Generate Verilog/SystemVerilog testbench skeleton text.
AI agents use vivado_generate_tb_skeleton to create or update resources in Vivado Mcp Agent — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Vivado Mcp Agent environment.
This tool generates code artifacts (testbenches) as output but does not execute them, modify existing designs, delete data, or trigger external hardware operations. It is a content creation tool whose effects are reversible (generated text can be discarded or overwritten). This fits Write category with low severity since a malformed testbench skeleton has minimal blast radius in an FPGA development workflow.
From the tool's definition Tool name indicates 'generate' operation; description states it produces 'testbench skeleton text' which is code generation—creating new content reversibly.
Attacks that exploit this kind of access
Generate Verilog/SystemVerilog testbench skeleton text. It is categorised as a Write tool in the Vivado Mcp Agent MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Vivado Mcp Agent MCP server in PolicyLayer and add a rule for vivado_generate_tb_skeleton: 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 Vivado Mcp Agent. Nothing to install.
vivado_generate_tb_skeleton 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 vivado_generate_tb_skeleton 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 vivado_generate_tb_skeleton. 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.
vivado_generate_tb_skeleton is provided by the Vivado Mcp Agent MCP server (wangyuxin0707/vivado-mcp-agent). 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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