AI agents call server_info to retrieve information from Redis without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves server information such as version, memory usage, uptime, connected clients, and other operational statistics. These are read-only operations with no side effects. While the server description mentions read-only mode by default, this tool clearly falls into the Read category as it only fetches and displays information about the Redis server state.
From the tool's definition Tool name 'server_info' combined with description '获取Redis服务器信息' (Get Redis server information) indicates a retrieval operation that queries server metadata and statistics without modifying data.
Attacks that exploit this kind of access
获取Redis服务器信息. It is categorised as a Read tool in the Redis MCP Server, which means it retrieves data without modifying state.
Register the Redis MCP server in PolicyLayer and add a rule for server_info: 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 Redis. Nothing to install.
server_info 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 server_info 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 server_info. 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.
server_info is provided by the Redis MCP server (lm203688/redis-mcp-server). 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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