faf_about

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

Annotations already declare readOnlyHint=true and destructiveHint=false, so the description only needs to add context. It adds that the tool is for learning, which aligns with read-only behavior, but does not disclose any additional behavioral traits (e.g., format of returned info).

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 one short sentence that immediately conveys the tool's purpose. Every word is meaningful, and the phrase 'project DNA for AI' adds clarity without verbosity. No wasted content.

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 has no parameters, no output schema, and annotations cover safety, the description sufficiently explains the purpose. It could optionally mention that it returns informational text, but the verb 'Learn' implies that, making it adequately complete.

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 no parameters (schema coverage 100% by default), so the description carries no burden for parameter explanation. According to guidelines, 0 parameters warrants a baseline of 4, and the description adds no necessary parameter info.

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 uses a specific verb 'Learn' and clearly states the resource '.faf format', with a helpful metaphor 'project DNA for AI'. It distinguishes itself from sibling tools that perform actions, making its informational purpose obvious.

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 for learning about the format, but does not explicitly state when to use it versus alternatives, nor does it mention any exclusions or prerequisites. The context of sibling tools indirectly suggests it's the sole informational tool, but explicit guidance is missing.

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