Get values of multiple keys
AI agents call redis_mget to retrieve information from Multi-Database MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The redis_mget command retrieves values associated with multiple keys from a Redis cache/database. This is a read-only operation that queries existing data without side effects. No data is created, modified, deleted, or destroyed. The blast radius of misuse is minimal—an agent could read sensitive cached data if keys are known, but cannot alter system state.
From the tool's definition Tool name 'redis_mget' and description 'Get values of multiple keys' indicate a retrieval operation with no modification or deletion of data.
Attacks that exploit this kind of access
Get values of multiple keys. It is categorised as a Read tool in the Multi-Database MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Multi-Database MCP Server MCP server in PolicyLayer and add a rule for redis_mget: 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 Multi-Database MCP Server. Nothing to install.
redis_mget 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 redis_mget 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 redis_mget. 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.
redis_mget is provided by the Multi-Database MCP Server MCP server (nam088/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
redis_mget is one line of Multi-Database MCP Server's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
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