Reads the python file where the cadquery code is stored
AI agents call read_cadquery_file to retrieve information from Hardware MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries the contents of a CAD design file (Python/CadQuery code) without creating, modifying, deleting, executing arbitrary commands, or causing financial impact. It is a pure read operation with minimal risk; the worst misuse would be unauthorized information disclosure of design files.
From the tool's definition Tool name is 'read_cadquery_file' and description states it 'Reads the python file where the cadquery code is stored' — a straightforward read operation with no modifications or side effects.
Attacks that exploit this kind of access
Reads the python file where the cadquery code is stored. It is categorised as a Read tool in the Hardware MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Hardware MCP Server MCP server in PolicyLayer and add a rule for read_cadquery_file: 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 Hardware MCP Server. Nothing to install.
read_cadquery_file is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the read_cadquery_file 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 read_cadquery_file. 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.
read_cadquery_file is provided by the Hardware MCP Server MCP server (thefloatingstring/mcp-for-hardware). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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