imgui_set_theme

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

No annotations are provided, but this is a low-risk operation. The description lists aesthetic results per theme (gold/amber, cyan/teal, green terminal, white thin borders) which gives behavioral insight into what each choice applies. However, it doesn't disclose whether changes are cumulative, reversible, or persist across sessions, or whether applying a theme overrides prior manual style tweaks.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single sentence efficiently conveying the purpose and the 7 available options in a parenthetical list. It's compact and front-loaded with the core action first. Slightly verbose due to spelling out each theme's aesthetic, but this added detail earns its place by helping users understand theme differences.

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

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

For a simple tool with 1 enum parameter, 100% schema coverage, and no output schema, the description is adequately complete. The aesthetic hints per theme provide enough information to select correctly. Not much more is needed for a simple preset-applying tool, though reversible/persistence behavior could add value.

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

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

The schema already defines the enum with 100% coverage, listing all valid theme names. The description adds value by describing what each theme looks like aesthetically (gold/amber accents, cyan/teal accents, etc.), which goes beyond parameter names. But since schema coverage is 100% and there's only 1 parameter, baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states 'Apply a theme preset to the ImGui interface' with a specific verb (apply) and resource (theme preset/ImGui interface). It distinguishes itself from siblings like imgui_set_style (individual style config), imgui_push_style_color, and imgui_set_theme_color by operating at the preset level, and enumerates the 7 available theme options with descriptive accents.

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

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

The description doesn't explicitly state when to use this vs alternatives like imgui_set_style, imgui_push_style_color, or imgui_set_theme_color. However, the listing of 'available themes' implies this is the coarse-grained preset option versus finer-grained styling. No explicit exclusions or guidance for choosing between the theme tools is provided.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.