list_clients
AI agents call list_clients to retrieve information from Overlord MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves a list of clients from the Overlord C2 framework. Although the description is empty, the naming convention and context among read-only sibling tools indicate it performs a non-destructive query. Even though a C2 framework context could be sensitive, the read-only nature limits immediate risk to information disclosure.
From the tool's definition Tool name 'list_clients' indicates a query/listing operation with no side effects. Grouped with sibling tools like 'db_list_tables', 'get_audit_logs', and 'db_get_stats' which are clearly read operations.
Attacks that exploit this kind of access
list_clients. It is categorised as a Read tool in the Overlord MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Overlord MCP Server MCP server in PolicyLayer and add a rule for list_clients: 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 Overlord MCP Server. Nothing to install.
list_clients 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 list_clients 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 list_clients. 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.
list_clients is provided by the Overlord MCP Server MCP server (skeeminator/overlord-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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