This record as markdown: /tools/io-github-dave-london-npm/redis-ping.md
What redis-ping does on Npm
AI agents call redis-ping to retrieve information from Npm without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why redis-ping is rated Low
The tool sends a PING command to Redis to test connectivity. This is a read-only/diagnostic operation with no side effects — it does not modify, delete, or create any data. Misuse potential is minimal.
From the tool's definition Tests Redis connectivity by sending a PING command
Attacks that exploit this kind of access
The rule that runs redis-ping safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Npm, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For redis-ping, this is the rule to start with:
redis-ping is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Npm, apply this rule, and every redis-ping call is checked against it from then on.
Questions about redis-ping
Tests Redis connectivity by sending a PING command. It is categorised as a Read tool in the Npm MCP Server, which means it retrieves data without modifying state.
Register the Npm MCP server in PolicyLayer and add a rule for redis-ping: 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 Npm. Nothing to install.
redis-ping 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-ping 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-ping. 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-ping is provided by the Npm MCP server (Dave-London/Pare). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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