get_watchlist

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

Annotations already declare readOnlyHint=true, idempotentHint=true, destructiveHint=false, so the description's mention of 'Get' and 'Retrieves' is consistent but adds minimal value. The return type ('Dictionary') is disclosed, but no further behavioral traits (e.g., empty list behavior, performance) are mentioned.

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 only three sentences, but the first and second are repetitive ('Get all items' vs 'Retrieves list of all watchlisted symbols'). It could be more concise by merging them. However, it remains relatively short.

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 tool's simplicity (no parameters, read-only, output schema exists), the description adequately covers what the tool does and returns. No major gaps are present, though more detail on the dictionary structure could be beneficial.

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?

There are zero parameters and 100% schema coverage. The description adds no parameter-level detail because none is needed. Baseline for 0 params is 4, and no additional value is provided beyond the schema.

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 verb ('Get') and resource ('items in the user's watchlist' / 'watchlisted symbols'). It distinguishes itself from sibling tools like add_to_watchlist and remove_from_watchlist, making the purpose unambiguous.

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 implies usage (when you need the watchlist), but provides no explicit guidance on when not to use it or alternatives. Given sibling tools exist for adding/removing, this is a missed opportunity to clarify comparison.

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