update_list_entry

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

With no annotations provided, the description carries the full burden of behavioral disclosure. It mentions the login requirement but doesn't describe what 'Update' entails—whether it overwrites all fields, merges changes, or has side effects. It also doesn't mention error conditions, response format, or any rate limits or permissions beyond login.

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, efficient sentence that front-loads the key information ('[Requires Login]' and 'Update an entry'). There's no wasted text, though it could be slightly more structured by separating the prerequisite from the action.

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 the complexity of the input schema (with nested objects and many fields) and the absence of both annotations and an output schema, the description is insufficient. It doesn't explain what the tool returns, how updates are applied, or provide any context for the numerous options in the schema, leaving significant gaps for an AI agent.

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 100%, so the schema fully documents the two parameters ('id' and 'options') and their nested properties. The description adds no additional parameter semantics beyond what's in the schema, such as explaining the relationship between 'id' and 'options.id' or clarifying usage of the 'options' object.

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 action ('Update') and target ('an entry on the authorized user's list'), making the purpose understandable. It doesn't explicitly differentiate from sibling tools like 'add_list_entry' or 'remove_list_entry', but the verb 'Update' implies modification of existing entries rather than creation or deletion.

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 includes '[Requires Login]' which indicates a prerequisite, but provides no guidance on when to use this tool versus alternatives like 'add_list_entry' or 'remove_list_entry'. There's no mention of what constitutes a valid entry to update or any context for choosing between update and other list operations.

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