lint_oop_policy
Lint nearest .twincat-validator.json policy keys/types and return normalized policy.
This record as markdown: /tools/agenticcontrolio-twincat-validator-mcp/lint-oop-policy.md
What lint_oop_policy does on TwinCAT Validator MCP Server
AI agents call lint_oop_policy to retrieve information from TwinCAT Validator MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why lint_oop_policy is rated Low
This is a read-only validation/analysis tool. It inspects configuration files and returns normalized output for inspection purposes. There are no side effects, data modifications, code execution, or destructive operations. The blast radius of misuse is minimal—at worst, the tool returns incorrect policy analysis, which would be caught by subsequent validation steps.
From the tool's definition The tool 'lint_oop_policy' reads and validates a policy configuration file (.twincat-validator.json), returning normalized policy data. Keywords: 'lint', 'return normalized policy' indicate analysis without modification.
Attacks that exploit this kind of access
The rule that runs lint_oop_policy safely
PolicyLayer is an MCP gateway: it sits between your AI agents and TwinCAT Validator MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For lint_oop_policy, this is the rule to start with:
lint_oop_policy is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect TwinCAT Validator MCP Server, apply this rule, and every lint_oop_policy call is checked against it from then on.
Questions about lint_oop_policy
Lint nearest .twincat-validator.json policy keys/types and return normalized policy. It is categorised as a Read tool in the TwinCAT Validator MCP Server MCP Server, which means it retrieves data without modifying state.
Register the TwinCAT Validator MCP Server MCP server in PolicyLayer and add a rule for lint_oop_policy: 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 TwinCAT Validator MCP Server. Nothing to install.
lint_oop_policy 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 lint_oop_policy 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 lint_oop_policy. 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.
lint_oop_policy is provided by the TwinCAT Validator MCP Server MCP server (agenticcontrolio/twincat-validator-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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