AI agents call external_squads_list to retrieve information from Remnawave without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves or queries a list of external squads without creating, modifying, deleting, or executing any operations. It is a simple data retrieval action consistent with the Read category. The blast radius of misuse is minimal—an attacker gains only informational access to squad data. Severity is low because listing data poses no immediate risk to system integrity or user security.
From the tool's definition Tool name 'external_squads_list' and description 'List all external squads' indicate a retrieval operation with no side effects.
Documented attack patterns abuse exactly the kind of access external_squads_list gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Remnawave, and nothing reaches the server without passing your rules. This is the rule we recommend for external_squads_list:
{
"version": "1",
"default": "deny",
"tools": {
"external_squads_list": {}
}
}external_squads_list is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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List all external squads. It is categorised as a Read tool in the Remnawave MCP Server, which means it retrieves data without modifying state.
Register the Remnawave MCP server in PolicyLayer and add a rule for external_squads_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 Remnawave. Nothing to install.
external_squads_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 external_squads_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 external_squads_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.
external_squads_list is provided by the Remnawave MCP server (trackline/mcp-remnawave). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 153 Remnawave tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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153 Remnawave tools catalogued and risk-classified — across an index of 42,500+ MCP servers.