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MITRE ATT&CK MCP Server

by imouiche

get_all_tactics

Retrieve all MITRE ATT&CK tactics for enterprise, mobile, or ICS domains. Optionally include tactic descriptions to understand adversary goals.

Instructions

Get all ATT&CK tactics for a domain.

Tactics represent the adversary's tactical goals (e.g., Initial Access,
Defense Evasion, Persistence).

Args:
    domain: ATT&CK domain ('enterprise', 'mobile', 'ics')
    include_description: Whether to include tactic descriptions.

Returns:
    {
      "domain": "<domain>",
      "count": <number>,
      "tactics": [
         {
           "attack_id": "<TAxxxx>" | null,
           "name": "...",
           "stix_id": "x-mitre-tactic--UUID",
           "description": "...",
         }
      ],
      "formatted": "<optional human-readable text>",
      "message": "<summary>"
    }

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
domainNoenterprise
include_descriptionNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Since no annotations are provided, the description bears the full burden. It clearly indicates a read-only operation (getting data) and describes the return structure, but does not mention authentication, rate limits, or side effects.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is well-structured with sections for introduction, arguments, and returns. It is front-loaded and clear, though slightly verbose with the explanation of tactics.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the presence of an output schema, the description provides a detailed return format and explains all parameters. It is complete for the tool's complexity.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The description includes an 'Args' section that explains both parameters (domain with examples, include_description as boolean), adding significant meaning beyond the input schema which only has defaults. This fully compensates for the 0% schema description coverage.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool's purpose: 'Get all ATT&CK tactics for a domain.' It explains what tactics are and provides examples, distinguishing it from sibling tools that retrieve tactics by matrix or technique.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description does not explicitly state when to use this tool versus alternatives like get_tactics_by_matrix or get_tactics_by_technique. Usage is implied but lacks direct guidance or exclusions.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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