aap_add_host_to_group · AAP MCP Server MCP: Risk & Policy

WHAT IT DOES

What aap_add_host_to_group does on AAP MCP Server

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

WHY IT NEEDS A POLICY

Why aap_add_host_to_group needs a policy

This tool modifies existing Ansible infrastructure by adding hosts to groups, which is a write operation that changes inventory state. The modification is reversible (host can be removed from group), so it does not qualify as Destructive.

From the tool's definition Tool description states 'Add an existing host to a group' — this modifies inventory membership, a reversible write operation. The action creates/updates a relationship between host and group resources.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

aap_add_host_to_group Rate-limited

aap_add_host_to_group 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": {
    "aap_add_host_to_group": {
      "limits": [
        {
          "counter": "aap_add_host_to_group_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 AAP MCP Server, so you can run agents against it safely.

FAQ

Questions about aap_add_host_to_group

What does the aap_add_host_to_group tool do? +

Add an existing host to a group within an inventory. It is categorised as a Write tool in the AAP MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on aap_add_host_to_group? +

Register the AAP MCP Server MCP server in PolicyLayer and add a rule for aap_add_host_to_group: 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 AAP MCP Server. Nothing to install.

What risk level is aap_add_host_to_group? +

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

Can I rate-limit aap_add_host_to_group? +

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

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

aap_add_host_to_group is provided by the AAP MCP Server MCP server (srinivassrinu842/aap-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.