marrow_get_key

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

The description adds a key behavioral trait: the key value is masked after creation. However, with no annotations provided, it does not explicitly state the operation is read-only or describe other side effects, leaving some gaps in transparency.

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, direct sentences with no filler. The core purpose is front-loaded, and 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?

Given low complexity and one well-described parameter, the description covers the essential purpose and a notable behavioral trait. However, since there is no output schema, it could be more explicit about the return value or structure, though the masking note hints at it.

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 only parameter 'id' is fully described in the schema, and the description refers to it ('by ID'). The description adds no additional semantics beyond what the schema already provides, so the baseline of 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?

The description clearly states the action (Get), the resource (API key), and the specific scope (single by ID). This distinguishes it from sibling tools like list_keys (multiple) and create_key (creation).

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 the tool: when you need a specific API key by ID. It doesn't explicitly mention alternatives or exclusions, but for a simple getter the context is clear enough to guide selection.

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