This record as markdown: /tools/ahmeth4n-renef-mcp/renef-hooks-list.md
What renef_hooks_list does on Renef
AI agents call renef_hooks_list to retrieve information from Renef without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why renef_hooks_list is rated Low
This tool retrieves information about currently active hooks without modifying, executing, or deleting anything. It is purely informational, similar to listing or querying state. While the broader server provides dynamic instrumentation and reverse engineering capabilities that could be misused, this specific tool only reads hook status.
From the tool's definition Tool name 'renef_hooks_list' and description 'Lists all active hooks' indicate a query/retrieval operation with no side effects.
Attacks that exploit this kind of access
The rule that runs renef_hooks_list safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Renef, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For renef_hooks_list, this is the rule to start with:
renef_hooks_list 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 Renef, apply this rule, and every renef_hooks_list call is checked against it from then on.
Questions about renef_hooks_list
Lists all active hooks. It is categorised as a Read tool in the Renef MCP Server, which means it retrieves data without modifying state.
Register the Renef MCP server in PolicyLayer and add a rule for renef_hooks_list: 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 Renef. Nothing to install.
renef_hooks_list 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 renef_hooks_list 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 renef_hooks_list. 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.
renef_hooks_list is provided by the Renef MCP server (ahmeth4n/renef-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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