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delete_calculation_item

Remove a calculation item from a calculation group in Power BI.

Instructions

Delete a calculation item from a calculation group.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameYesthe calculation item to delete
tableYesthe calculation group table
sessionIdYes
Behavior2/5

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

With no annotations, the description must disclose behavioral traits. It only restates the basic delete action without clarifying whether deletion is permanent, what happens to dependent objects, or any permission requirements.

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, direct sentence with no redundant content, appropriately sized for the tool's simplicity.

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?

Although the tool is simple, the description omits important context such as the purpose of sessionId, any side effects, and whether the deletion is cascading or reversible. No output schema or annotations help fill the gaps.

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?

The schema documents 2 of 3 parameters (table and name), but the tool description adds no new information about them. sessionId remains entirely unexplained, and the description merely repeats the concept of deleting a calculation item.

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 the action (Delete), the resource (calculation item), and the container (calculation group), clearly distinguishing it from sibling tools like add_calculation_item and update_calculation_item.

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 usage guidance is provided. The description does not state when to use this tool over alternatives like delete_measure or update_calculation_item, nor any prerequisites or conditions.

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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