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list_themes

Read-onlyIdempotent

Browse the complete catalog of available slide themes without starting a new project. Returns all primary and secondary themes for use in presentations and carousels.

Instructions

Idempotent read-only listing of all available themes (8+). Unlike discover_themes, this does NOT start a slide-creation workflow — call it any time the user asks "what themes are there?" mid-conversation. Returns the same tiered theme catalog (primary/secondary). Models MUST present every theme returned, never truncate.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior4/5

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

Annotations already declare readOnlyHint and idempotentHint. Description adds that it returns tiered catalog (primary/secondary) and instructs models not to truncate. This adds value beyond annotations, though annotations cover core behavioral traits.

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?

Three sentences, each essential: purpose, usage guidance with sibling differentiation, and a behavioral constraint. Front-loaded with key info. 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 listing tool with good annotations and no output schema, the description provides enough context: what it lists, when to use, output structure (tiered catalog), and behavior (no truncation). Complete enough for effective agent invocation.

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?

No parameters in schema; baseline is 4. Description does not need to add param information. No additional details about parameters are necessary and none are missing.

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?

Clearly states it lists themes (8+), is idempotent and read-only, and distinguishes from sibling discover_themes which starts a workflow. Uses specific verb and resource.

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

Usage Guidelines5/5

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

Explicitly says when to call ('any time user asks what themes are there? mid-conversation') and that unlike discover_themes it does not start a slide-creation workflow, naming the alternative.

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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