algernon_upgrade

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

With no annotations, the description must disclose behavioral traits. It mentions 'Opt-in only', which hints that the tool does nothing unless you act, but it does not specify what actually happens when you call it: does it just return info, or does it generate/send a key? Is it read-only or does it trigger an email? It does not state any side effects or prerequisites beyond email, leaving the agent to infer behavior.

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, somewhat run-on sentence that lists features, then trial key, then opt-in. It is not overly long, but could be restructured for clarity and front-loading. The key action (trial key via email) comes in the middle, and the 'Opt-in only' at the end is a bit ambiguous. Adequate but not crisp.

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?

The tool is simple with one optional parameter and no output schema, so the description need not be extensive. However, it does not explain what the tool returns, whether providing an email causes a side effect, or what happens if no email is given. The description covers the main purpose but leaves some behavioral gaps, making it marginally complete for an agent to call 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?

The single parameter 'email' is optional, and the schema gives no description. The description says 'if you give your email', implying the email is used for receiving a trial key. This adds meaning beyond the raw schema, but it does not specify format or what happens if omitted. With 0% schema coverage, the description partially compensates but could be more explicit.

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 what the tool does: it describes the features of the paid Algernon v2 and offers a trial key if an email is provided. The verb 'upgrade' and the content are specific, and it clearly distinguishes from sibling tools like dispatch, orchestrate, doctor, and plan, which are operational 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?

The description implies when to use it: when you want to know about v2 features or obtain a trial key. It does not explicitly mention when not to use it or compare to alternatives, but the context of siblings makes the use case apparent. No exclusions are given, but the purpose is clear enough.

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