Galaxy Brain

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 mentions being a 'convenience wrapper' but doesn't explain what that entails operationally—such as whether it's read-only, has side effects, requires specific permissions, or handles errors. This leaves significant gaps in understanding the tool's 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 extremely concise—a single sentence that efficiently states the tool's purpose and its relationship to execute_batch. It's front-loaded with the core action and wastes no words, making it easy to parse quickly.

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 (3 parameters, no output schema, and no annotations), the description is incomplete. It doesn't cover what the tool returns, how errors are handled, or the operational implications of being a wrapper. For a tool that likely performs executions, more context on behavior and outcomes is needed.

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 schema description coverage is 100%, so the schema already documents all three parameters (service, method, params) with descriptions and enums. The description adds no additional semantic information about the parameters beyond what the schema provides, meeting the baseline for high coverage.

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 tool's purpose as 'Execute a single operation' and identifies it as a 'convenience wrapper for execute_batch', which provides specific verb+resource context. However, it doesn't explicitly differentiate from all sibling tools like 'execute_plan' or 'think_and_do', keeping it from a perfect score.

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 context by mentioning it's a convenience wrapper for execute_batch, suggesting it should be used for single operations rather than batches. However, it lacks explicit guidance on when to use this versus alternatives like execute_plan or think_and_do, and doesn't specify exclusions or prerequisites.

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