find_inheritance_hierarchy

THE RISK

Low Risk

Why find_inheritance_hierarchy needs a policy

The tool appears to traverse and retrieve inheritance relationship data from the codebase knowledge graph without modifying state. No side effects are indicated. Despite the empty description lowering confidence slightly, the tool name and server context strongly suggest read-only analysis functionality.

From the tool's definition Tool name 'find_inheritance_hierarchy' suggests querying code structure information from the Neo4J knowledge graph.

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

POLICY

How to control find_inheritance_hierarchy

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

policy.json

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

find_inheritance_hierarchy 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 CodeRAG — 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 →

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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 →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about find_inheritance_hierarchy

What does the find_inheritance_hierarchy tool do? +

find_inheritance_hierarchy. It is categorised as a Read tool in the CodeRAG MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on find_inheritance_hierarchy? +

Register the CodeRAG MCP server in PolicyLayer and add a rule for find_inheritance_hierarchy: 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 CodeRAG. Nothing to install.

What risk level is find_inheritance_hierarchy? +

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

Can I rate-limit find_inheritance_hierarchy? +

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

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

find_inheritance_hierarchy is provided by the CodeRAG MCP server (jonnoc/coderag). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every CodeRAG tool call.

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

CHECK YOUR STACK →