get_entry_by_id

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

No annotations provided, so description carries full burden. It mentions return shape and gives an example, but doesn't explicitly state read-only nature, error cases, or authorization. Adequate but could be more thorough.

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?

Four sentences, each serving a purpose: description, usage guidance, return shape, example. No redundant text. Efficient and well-structured.

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?

Given simplicity (one parameter, output schema exists), description covers purpose, usage, return shape, and example. Doesn't mention error handling or performance, but sufficient for the tool's scope.

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 'id' has no description in the input schema (0% coverage). The description compensates fully by explaining the format ('plugin/type/name') and providing an example, making it easy for an agent to construct valid input.

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 the tool retrieves a registry entry by its full ID, distinguishing it from get_entry by noting it's a shortcut when you already have the ID from list_entries. The verb 'get' and resource 'entry' are specific.

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 says 'Shortcut for get_entry when you already have the entry ID from list_entries,' providing clear context on when to use this tool over alternatives. Does not state when not to use, but implication is clear.

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