remove_favorite

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

No annotations are provided, so the description carries the full behavioral burden. It usefully discloses 'Requires authentication', but says nothing about idempotency, what happens if the restaurant is not currently a favorite, or error behavior.

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 operative sentence is front-loaded and short, with the auth prerequisite right behind it. The 'Args:' block is boilerplate that adds little, but overall the definition is tight.

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?

An output schema exists, so return values need not be described, and the single required parameter is named. However, with no annotations the description leaves the safety and failure profile of this mutation uncovered, so it is only minimally complete.

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 should compensate; instead it merely restates the parameter name ('The restaurant ID to unfavorite') with no added format, sourcing, or constraint detail. It adds almost no meaning beyond the schema's own title.

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 states a specific verb and resource ('Remove a restaurant from favorites'), which is unambiguous and distinct from sibling add_favorite. It is clear but does not explicitly name the sibling it complements, so it lands just short of 5.

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?

Usage is implied by the name and the inverse of add_favorite, and the auth prerequisite is stated, but there is no explicit when-to-use guidance or reference to alternatives like get_favorites or add_favorite. Adequate but with clear gaps.

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