agentek-eth

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

With no annotations provided, the description carries the full burden of behavioral disclosure. It effectively communicates key traits: it's a non-destructive operation ('will not... change the database'), it doesn't fetch external data ('not obtain new information'), and it has a side effect ('append the thought to the log'). This covers the essential safety and behavioral profile for a logging/thinking tool.

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 efficiently structured in two sentences: the first explains what the tool does and its limitations, the second provides usage guidance. Every phrase adds value with no redundant or unnecessary information, making it appropriately concise and front-loaded.

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 simple nature (single parameter, no output schema, no annotations), the description provides sufficient context: it explains the tool's purpose, behavioral constraints, and usage guidelines. The main gap is the lack of detail about the log format or where thoughts are appended, but for a basic thinking/logging tool, this is reasonably 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?

The input schema has 100% description coverage (the 'thought' parameter is clearly documented in the schema), so the baseline is 3. The description doesn't add any parameter-specific details beyond what the schema already provides about the 'thought' parameter, maintaining the baseline score.

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 states the tool 'think about something' and 'append the thought to the log', which clarifies its function as an internal reasoning/logging mechanism. However, it's somewhat vague about what 'think about something' entails operationally, and it doesn't explicitly differentiate from potential sibling tools (though none appear directly related).

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 provides clear context for when to use it: 'when complex reasoning or some cache memory is needed.' It also explicitly states what it does NOT do ('will not obtain new information or change the database'), which helps distinguish it from data-fetching or mutation tools. However, it doesn't name specific alternative tools or provide explicit 'when-not-to-use' scenarios.

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