proxy_get_prompt · MCP Redirect Server MCP: Risk & Policy

WHAT IT DOES

What proxy_get_prompt does on MCP Redirect Server

AI agents call proxy_get_prompt to retrieve information from MCP Redirect Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

WHY IT NEEDS A POLICY

Why proxy_get_prompt needs a policy

This tool retrieves (reads) a prompt from an external MCP server. It performs a query operation with no capability to modify, delete, or execute arbitrary code. The 'proxy_' prefix indicates it mediates access to remote resources, but the core function remains data retrieval.

From the tool's definition Tool name 'proxy_get_prompt' and description 'Obtém um prompt do servidor MCP externo' (Gets a prompt from the external MCP server) indicate retrieval of a prompt object without modification or side effects.

Attacks that exploit this kind of access

Questions about proxy_get_prompt

What does the proxy_get_prompt tool do? +

Obtém um prompt do servidor MCP externo. It is categorised as a Read tool in the MCP Redirect Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on proxy_get_prompt? +

Register the MCP Redirect Server MCP server in PolicyLayer and add a rule for proxy_get_prompt: 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 MCP Redirect Server. Nothing to install.

What risk level is proxy_get_prompt? +

proxy_get_prompt is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit proxy_get_prompt? +

Yes. Add a rate_limit block to the proxy_get_prompt 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.

How do I block proxy_get_prompt completely? +

Set action: deny in the PolicyLayer policy for proxy_get_prompt. 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.

What MCP server provides proxy_get_prompt? +

proxy_get_prompt is provided by the MCP Redirect Server MCP server (marcos2872/mcp-redirect-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.