get_knowledge_base_stats

THE RISK

Low Risk

Why get_knowledge_base_stats needs a policy

This tool retrieves aggregate statistics about a knowledge base. It performs a read-only query operation without modifying, executing external operations, deleting data, or moving money. The blast radius of misuse is minimal—an AI could at most retrieve harmless summary statistics. Low severity is appropriate for informational queries.

From the tool's definition Tool name 'get_knowledge_base_stats' and description 'Get statistics about the smart suggestions knowledge base' indicate a query/retrieval operation with no side effects.

Documented attack patterns abuse exactly the kind of access get_knowledge_base_stats gives an agent:

POLICY

How to control get_knowledge_base_stats

PolicyLayer is an MCP gateway — it sits between your AI agents and MCP DevTools Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_knowledge_base_stats:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_knowledge_base_stats": {}
  }
}

get_knowledge_base_stats is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register MCP DevTools Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
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FAQ

Questions about get_knowledge_base_stats

What does the get_knowledge_base_stats tool do? +

Get statistics about the smart suggestions knowledge base, including total patterns and categorization. It is categorised as a Read tool in the MCP DevTools Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_knowledge_base_stats? +

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

What risk level is get_knowledge_base_stats? +

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

Can I rate-limit get_knowledge_base_stats? +

Yes. Add a rate_limit block to the get_knowledge_base_stats 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 get_knowledge_base_stats completely? +

Set action: deny in the PolicyLayer policy for get_knowledge_base_stats. 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 get_knowledge_base_stats? +

get_knowledge_base_stats is provided by the MCP DevTools Server MCP server (rshade/mcp-devtools-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every MCP DevTools Server tool call.

Start from MCP DevTools Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →