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aws_dynamic_inventory

Generate real-time AWS resource inventories for Ansible automation by querying AWS regions with customizable filters, hostnames, and grouping options.

Instructions

Create AWS dynamic inventory

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
regionYes
filtersNo
hostnamesNo
keyed_groupsNo
composeNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

C2.3/5.0
Behavior1/5

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

With no annotations provided, the description carries the full burden of behavioral disclosure. 'Create' implies a write/mutation operation, but the description provides no information about authentication requirements, rate limits, side effects, what happens if inventory already exists, or what the tool actually produces. No behavioral traits beyond the basic 'create' action are disclosed.

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

Conciseness5/5

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

The description is extremely concise at just three words. While this represents under-specification rather than ideal conciseness, within the scoring framework for this dimension, it's front-loaded with the core action and wastes no words. Every word earns its place, even if more content is needed.

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

Completeness1/5

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

Given the complexity (5 parameters with nested objects, no annotations, no output schema), the description is completely inadequate. A 'create' operation with multiple complex parameters requires explanation of what's being created, how parameters interact, what authentication is needed, and what the result looks like. The three-word description provides none of this necessary context.

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

Parameters2/5

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

With 0% schema description coverage for 5 parameters (region, compose, filters, hostnames, keyed_groups), the description provides no parameter information whatsoever. The schema shows complex nested objects and arrays, but the description doesn't explain what these parameters mean, how they interact, or what values are expected. The description fails to compensate for the complete lack of schema documentation.

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

Purpose3/5

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

The description states the tool 'Create AWS dynamic inventory' which provides a basic verb+resource combination. However, it's vague about what 'dynamic inventory' specifically means in this context and doesn't differentiate from sibling tools like 'list_inventory' or 'aws_ec2' which might have related functionality. The purpose is understandable but lacks specificity about what type of inventory or what makes it 'dynamic'.

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

Usage Guidelines2/5

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

The description provides no guidance on when to use this tool versus alternatives. With multiple AWS-related sibling tools (aws_ec2, aws_cloudformation, etc.) and inventory-related tools (list_inventory), there's no indication of when this specific dynamic inventory creation tool is appropriate versus other inventory or AWS management tools. No context, prerequisites, or exclusions are mentioned.

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