skill_disable · LocalAnt MCP: Risk & Policy

WHAT IT DOES

What skill_disable does on LocalAnt

AI agents use skill_disable to create or update resources in LocalAnt — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your LocalAnt environment.

WHY IT NEEDS A POLICY

Why skill_disable needs a policy

Disabling a skill modifies system configuration by turning off a capability, but this is likely reversible (the skill can be re-enabled). This falls under Write rather than Destructive. The blast radius is medium since disabling a skill could remove important functionality from the gateway, potentially disrupting automated workflows.

From the tool's definition 'Disable a skill' — reversibly disables a skill (can presumably be re-enabled)

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

skill_disable Rate-limited

skill_disable stays usable, but capped — an agent stuck in a loop can't make hundreds of changes 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_disable": {
      "limits": [
        {
          "counter": "skill_disable_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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_disable

What does the skill_disable tool do? +

Disable a skill. It is categorised as a Write tool in the LocalAnt MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on skill_disable? +

Register the LocalAnt MCP server in PolicyLayer and add a rule for skill_disable: 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_disable? +

skill_disable is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit skill_disable? +

Yes. Add a rate_limit block to the skill_disable 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_disable completely? +

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

skill_disable 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.