// MCP TOOL REFERENCE
Low Risk

get_groups_by_alias

Get MITRE ATT&CK group ID and description by their alias

How to control get_groups_by_alias ↓

WHAT GET_GROUPS_BY_ALIAS ON MITRE ATT&CK MCP SERVER DOES

AI agents call get_groups_by_alias to retrieve information from MITRE ATT&CK MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

THE RISK

Low Risk

This tool retrieves publicly available threat intelligence data (group identifiers and descriptions) from the MITRE ATT&CK knowledge base. It performs a lookup operation without modifying, executing, deleting, or committing any financial actions.

From the tool's definition Tool name 'get_groups_by_alias' and description 'Get MITRE ATT&CK group ID and description by their alias' indicate a query/retrieval operation with no side effects.

Documented attack patterns abuse exactly the kind of access get_groups_by_alias gives an agent:

HOW TO CONTROL GET_GROUPS_BY_ALIAS

PolicyLayer is an MCP gateway — it sits between your AI agents and MITRE ATT&CK MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_groups_by_alias:

policy.json 
{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_groups_by_alias": {}
  }
}

get_groups_by_alias is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

  1. Create a free account and register MITRE ATT&CK MCP Server — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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EXPLORE

More MITRE ATT&CK MCP Server tools

Write generate_layer generate_layer Read get_all_assets Get all assets in the MITRE ATT&CK framework (ICS domain only) Read get_all_campaigns Get all campaigns in the MITRE ATT&CK framework Read get_all_datacomponents Get all data components in the MITRE ATT&CK framework Read get_all_datasources Get all data sources in the MITRE ATT&CK framework Read get_all_groups Get all threat actor groups in the MITRE ATT&CK framework Read get_all_matrices Get all matrices in the MITRE ATT&CK framework Read get_all_mitigations Get all mitigations in the MITRE ATT&CK framework

All 55 MITRE ATT&CK MCP Server tools →

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Go deeper

FAQ

What does the get_groups_by_alias tool do? +

Get MITRE ATT&CK group ID and description by their alias. It is categorised as a Read tool in the MITRE ATT&CK MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_groups_by_alias? +

Register the MITRE ATT&CK MCP Server MCP server in PolicyLayer and add a rule for get_groups_by_alias: 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 MITRE ATT&CK MCP Server. Nothing to install.

What risk level is get_groups_by_alias? +

get_groups_by_alias is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_groups_by_alias? +

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

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

get_groups_by_alias is provided by the MITRE ATT&CK MCP Server MCP server (stoyky/mitre-attack-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every MITRE ATT&CK MCP Server tool call.

Deterministic rules across all 55 MITRE ATT&CK MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

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55 MITRE ATT&CK MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

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