esphome_lvgl_validate

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

No annotations are provided, so the description carries the full burden. It discloses the tool validates client-side but does not describe behavioral details such as what happens on validation failure, whether it is purely read-only, or any side effects. Basic behavioral traits are implied but not explicitly stated.

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 two sentences long, front-loaded with the main purpose, and includes a helpful usage hint. Every sentence adds value without redundancy.

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 validation tool with one parameter and an output schema, the description covers the core functionality and usage context. However, it omits documentation for the parameter and could briefly mention the nature of the output (e.g., error list). Still largely complete given the tool's simplicity.

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 only parameter, device_name, is not described. Schema description coverage is 0%, and the description fails to add meaning to this parameter (e.g., what device_name refers to, expected format). This is a significant gap for a single-parameter tool.

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 it validates LVGL config client-side, specifically checking unique widget/page IDs and valid page references. It distinguishes itself from the sibling tool esphome_validate_config, which does full component/property validation.

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?

Explicitly states when to use this tool (as a pre-check before compiling, runs without ESPHome Dashboard) and when not to (for full validation, use esphome_validate_config). This provides clear alternatives and context.

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