AI agents call get_output_preferences to retrieve information from VIN MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves stored user preferences without modifying data, executing commands, or affecting external systems. It has no side effects and poses minimal security risk. Classified as Read with high confidence based on naming convention and server context.
From the tool's definition Tool name 'get_output_preferences' indicates retrieval of user preference settings. The verb 'get' is a read operation.
Attacks that exploit this kind of access
Get the user\. It is categorised as a Read tool in the VIN MCP MCP Server, which means it retrieves data without modifying state.
Register the VIN MCP server in PolicyLayer and add a rule for get_output_preferences: 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 VIN MCP. Nothing to install.
get_output_preferences 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 get_output_preferences 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 get_output_preferences. 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.
get_output_preferences is provided by the VIN MCP server (keptlive/vin-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.
Teams ship this data inside their own products. See what a licence covers →