set_test_id

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

No annotations are present, so the description carries the burden; it reveals that setting is stateful, that values persist across subsequent calls, and that null clears the state. This is substantial behavioral disclosure for a setter, though it omits any mention of return behavior (covered by output schema) or session scope.

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 short sentences with zero filler; the core action and effect come first, and the reset alternative is front-loaded in the second sentence. Every clause 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?

For a one-parameter state setter with an output schema, the description fully covers the state change and reset path. The only slight ambiguity is which sibling tools are subject to the filter and what exactly the 'global queue' means, but the core contract is clear.

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 is just string|null with no property description, and the description adds the key meaning that null/None resets to the global queue. However, it gives no guidance on what values the test_id string should take or where to obtain it, so with 0% schema coverage the compensation is partial.

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?

States a specific verb and resource: 'Set the active test_id' with an immediate consequence. It clearly names the stateful effect, but doesn't explicitly contrast with sibling set_app or explain how selecting a test differs from selecting an app.

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?

Gives a clear usage context: subsequent calls are scoped to the active test_id, and passing null/None is the explicit reset path. It does not list alternative tools or non-use conditions, so it stops short of 5.

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