get_all_transfer_rumours

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

With no annotations provided, the description carries full burden for behavioral disclosure. It mentions the subscription scope but omits critical traits such as whether the tool is read-only, possible rate limits, authentication requirements, or pagination behavior. This vagueness hampers the agent's understanding of side effects and constraints.

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, front-loaded sentence with no fluff. It efficiently communicates the core purpose without excess verbiage, earning top marks for conciseness.

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 complexity (6 parameters, no output schema, sibling variety), the description is insufficient. It omits details like pagination support, filtering semantics, and the difference between 'transfer rumours' and 'transfers'. This leaves agents without a full picture of the tool's capabilities.

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% with descriptions for all 6 parameters. The tool description adds no additional meaning beyond what the schema already provides. Baseline 3 is appropriate because the schema does the heavy lifting, but the description fails to enhance parameter understanding.

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', the resource 'all transfer rumours', and the scope 'available within your subscription'. It effectively distinguishes from sibling tools that retrieve specific subsets (by ID, date range, player, or team) and from the similar but different 'transfer' tools.

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?

No guidance is provided on when to use this tool vs alternatives like get_transfer_rumour_by_id, get_transfer_rumours_by_date_range, etc. The description does not mention when not to use it or how it relates to its siblings, leaving the agent without decision support.

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