add_beta_tester

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

Discloses the key behavior of auto-creating the tester if they don't exist. However, no annotations provided, and the description does not cover other important aspects like permissions, idempotency, or error cases.

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?

Two succinct sentences that are front-loaded and contain no extraneous information. Every word earns its place.

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?

Covers core functionality and a behavioral nuance, but lacks information on idempotency, error conditions, and return values (no output schema). Adequate but with gaps.

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 description adds no additional meaning beyond what the schema already provides for parameters. 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?

Description clearly states the action: adding a beta tester to a beta group. It also mentions the 'create if not exist' behavior, which adds specificity and distinguishes from siblings like 'remove_beta_tester'.

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?

Implied usage from name and description, but no explicit when-to-use or when-not-to-use. No mention of prerequisites (e.g., beta group existence) or alternatives among siblings.

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