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christianclaudio

mcp-server-sigma

sigma_list_all_data_models

Read-only

Lists every data model in your Sigma organization by automatically following pagination, giving you a full inventory for auditing and management.

Instructions

List ALL data models in the organization, automatically following pagination.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior4/5

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

Annotations already declare readOnlyHint and destructiveHint, so the safety profile is covered. The description adds the key behavioral trait of automatically following pagination, which is valuable context beyond the annotations, though it stops short of mentioning potential performance impacts or result size.

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?

A single sentence that is front-loaded with the action and resource, and includes the crucial pagination behavior. No wasted words.

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?

For a zero-parameter, read-only list tool with an output schema present, the description fully covers purpose and behavior. It clearly defines the scope (organization-wide) and the automatic pagination, making it complete for an agent to select and invoke correctly.

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

Parameters4/5

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

The input schema has zero parameters, so there are no parameter semantics to explain. Baseline for 0 params is 4, and the description appropriately requires no additional parameter information.

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 lists all data models in the organization, with a specific verb ('List') and resource ('data models'). The emphasis on 'ALL' and 'automatically following pagination' distinguishes it from sibling sigma_list_data_models, which likely returns a single page.

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

Usage Guidelines4/5

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

The description implies usage when a complete set of data models is needed, but it does not explicitly name alternatives or exclusions. It clearly conveys that this tool handles pagination automatically, which is sufficient context for selecting it over a non-paginated list tool.

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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