get_all_speakers

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

No annotations are provided, but the description takes on the burden by disclosing the caching lifecycle and refresh behavior. It explains what happens after expiration and what the refresh flag does, which is meaningful behavioral context beyond the schema. It doesn't mention output structure or potential pagination, but for a simple fetch-all read operation the key behaviors are covered.

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?

Three concise sentences with the core purpose front-loaded, followed by the two essential cache behaviors. Every sentence earns its place and there is no redundant or promotional language.

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 tool with a single optional parameter and no annotations, the description is largely complete: it says what is fetched, how caching behaves, and how to force a refresh. A returned-object shape would be nice given no output schema, but the resource name and 'all speakers' scope provide enough context for an agent to invoke it correctly.

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% and the refresh parameter is already documented in the schema as forcing a cache refresh while bypassing the 60-minute expiration. The description's 'Use refresh=true' sentence adds usage emphasis but no new parameter meaning, so baseline 3 is appropriate.

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 starts with a specific verb and resource: 'Fetch all Microsoft Ignite speakers.' The word 'all' differentiates it from sibling search_speakers, making the tool's scope explicit.

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 clear operational guidance for caching and the refresh parameter: cache expires in 60 minutes, refreshes on next request, and refresh=true forces immediate refresh. It doesn't explicitly name an alternative for filtered speaker queries, but the all-vs-search scope is evident from the description and sibling set.

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