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ahmedselimmansor-ctrl

IBM Cloud MCP Server

iam_list_users

Retrieve and filter all users in an IBM Cloud account by state or account ID.

Instructions

List all users in the IBM Cloud account

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
account_idNoAccount ID
stateNoFilter by user state (ACTIVE, INACTIVE, etc.)
Behavior2/5

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

With no annotations, the description must disclose behavioral traits but only states 'list all users'. There is no mention of read-only nature, pagination, performance implications, or limitations. The agent is left uninformed about the operation's behavior beyond the basic action.

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 a single sentence that directly conveys the purpose without extraneous information. It is efficiently structured and front-loaded with the key action and resource.

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

Completeness2/5

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

Given the absence of annotations and output schema, the description is insufficiently complete. It lacks information about return format, pagination, error handling, and any constraints. For a list operation that could return many results, this is a notable gap.

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

Parameters3/5

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

Input schema has 100% coverage on both parameters, so the baseline is 3. The description adds no extra meaning beyond the existing schema descriptions for account_id and state. It does not explain how parameters affect the listing or provide usage examples.

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 explicitly states 'List all users in the IBM Cloud account', clearly specifying the verb (list), resource (users), and scope (IBM Cloud account). It effectively differentiates from sibling IAM tools like iam_invite_user or iam_list_api_keys which target different resources.

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?

No guidance is provided on when to use this tool versus alternatives, such as when to apply filters or use other IAM list tools. The description lacks context on prerequisites or optimal scenarios.

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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