detect_libraries

THE RISK

Low Risk

Why detect_libraries needs a policy

This tool performs reconnaissance-style analysis (identifying and cataloging libraries and their imports) which is fundamentally a read-only operation. There are no side effects, no code execution, no data modification, and no destructive capabilities. Misuse would be limited to information gathering about a binary's composition, which poses minimal risk in the context of an AI agent's potential misuse.

From the tool's definition detect_libraries identifies standard libraries, frameworks, and third-party code by analyzing imports and function names—a query operation that performs static analysis without modifying the binary or invoking execution of code.

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

POLICY

How to control detect_libraries

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

policy.json

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

detect_libraries 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 Kawaiidra MCP — 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

Related tools and policies

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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 detect_libraries

What does the detect_libraries tool do? +

Identify standard libraries, frameworks, and third-party code by analyzing imports and function names. It is categorised as a Read tool in the Kawaiidra MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on detect_libraries? +

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

What risk level is detect_libraries? +

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

Can I rate-limit detect_libraries? +

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

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

detect_libraries is provided by the Kawaiidra MCP server (wagonbomb/kawaiidra-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Kawaiidra MCP tool call.

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

CHECK YOUR STACK →