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sheets_add_sheet

Add a new sheet tab to a Google Spreadsheet by providing the spreadsheet ID and desired title.

Instructions

Add a new tab/sheet to a spreadsheet.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
titleYesNew sheet/tab title
spreadsheetIdYes
Behavior2/5

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

No annotations provided. The description only states the action but omits behavioral details like what happens if the sheet already exists, required permissions, or response format. As a mutation tool, more context is needed.

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?

Single sentence, front-loaded, no wasted words. However, it may be too brief given the need for more behavioral context.

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?

No output schema, no annotations. The description does not cover return values, error conditions, prerequisites, or what happens on conflict. It is insufficient for an agent to reliably use this tool.

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?

Schema description coverage is 50%. The description for 'title' repeats what's in the schema. The 'spreadsheetId' parameter has no description in schema or description. The tool description adds no new semantic information beyond the schema.

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?

Description clearly states it adds a new tab/sheet to a spreadsheet. The verb 'add' and resource 'tab/sheet' are specific. It distinguishes from siblings that deal with values, creation of whole spreadsheets, etc.

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 on when to use this tool vs alternatives. Does not mention prerequisites, when not to use, or compare to creating a new spreadsheet (sheets_create_spreadsheet).

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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