list_embed_presets

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

Annotations already declare readOnlyHint, openWorldHint, idempotentHint, and destructiveHint=false, so the safety profile is covered. The description adds useful domain context about what presets control, but it does not disclose additional operational behavior such as whether results are paginated or what fields the preset list contains.

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?

A single, well-structured sentence that front-loads the action and resource, then adds a clarifying clause about what the presets do. Every word earns its place; there is no redundancy or filler.

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 read-only list operation with zero required parameters, the description plus annotations cover most of what an agent needs. However, with no output schema and no mention that per_page controls pagination, the agent cannot fully anticipate the response shape without relying on convention.

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?

Schema description coverage is 0%, so the description needed to compensate by explaining the per_page parameter, but it does not mention pagination at all. The parameter name and numeric constraints in the schema hint at its meaning, but the description itself adds no value beyond what the schema already exposes.

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 names a specific verb ('List'), a concrete resource ('your saved embed presets'), and explains what those presets affect ('player colors, controls and branding'). It is immediately distinguishable from the sibling apply_embed_preset because it describes listing rather than applying.

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 gives no explicit guidance about when to use this tool versus alternatives. Since the sibling list includes apply_embed_preset, the agent would benefit from a note like 'use this to browse presets before applying one,' but no such routing or exclusion is provided.

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