skill_enable · LocalAnt MCP: Risk & Policy

WHAT IT DOES

What skill_enable does on LocalAnt

AI agents invoke skill_enable to trigger actions in LocalAnt. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why skill_enable needs a policy

Enabling a skill activates new capabilities/permissions on the system, which is an external operation with side effects. Since LocalAnt controls PC operations including shell commands, browser automation, and file management, enabling a skill grants an agent new operational permissions — this is not a simple write or read, but an activation of execution capabilities.

From the tool's definition Enable a skill after reviewing its permissions. Validates first.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

skill_enable Rate-limited

skill_enable stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "skill_enable": {
      "limits": [
        {
          "counter": "skill_enable_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches LocalAnt, so you can run agents against it safely.

FAQ

Questions about skill_enable

What does the skill_enable tool do? +

Enable a skill after reviewing its permissions. Validates first. It is categorised as a Execute tool in the LocalAnt MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on skill_enable? +

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

What risk level is skill_enable? +

skill_enable is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit skill_enable? +

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

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

skill_enable is provided by the LocalAnt MCP server (yuga-hashimoto/localant). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.