AI agents call version to retrieve information from Proxypin without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a purely informational read operation that queries system metadata. It has no side effects and returns only version and status information. The blast radius of misuse is negligible—an AI agent cannot cause harm with this tool beyond learning the server version.
From the tool's definition Tool retrieves version information and status metadata ('Get the current version of proxypin-mcp server, including package name, version number, and WebSocket connection status'). No modification, deletion, execution, or financial impact occurs.
Attacks that exploit this kind of access
Get the current version of proxypin-mcp server, including package name, version number, and WebSocket connection status. It is categorised as a Read tool in the Proxypin MCP Server, which means it retrieves data without modifying state.
Register the Proxypin MCP server in PolicyLayer and add a rule for version: 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 Proxypin. Nothing to install.
version 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 version 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 version. 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.
version is provided by the Proxypin MCP server (k186/proxypin-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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