vault_repay

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

Without annotations, the description must disclose behavioral traits. The description solely states 'Repay vault loan' with no details on effects, required conditions, or side effects. Key behaviors like whether debt is reduced, if funds are taken from an account, or any fees involved are omitted.

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 at one sentence, but it sacrifices substance. While there is no wasted text, the brevity leaves out critical context that would make the description more useful. A longer description with more details would be warranted.

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 presence of many sibling loan-related tools (e.g., 'vault_borrow', 'repay_loan', 'take_loan'), the description is incomplete. It does not explain what a vault loan is, how it differs, or the effect of repayment. The lack of output schema further compounds the need for a richer description.

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 no parameters, so the description adds no parameter information. With 100% schema coverage (no params), the baseline of 4 is appropriate as there is nothing to add beyond the schema.

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 'Repay vault loan' clearly states the action (repay) and the resource (vault loan). However, it does not distinguish between this tool and sibling tools like 'repay_loan' or 'repay_loan_on_vesting', leaving ambiguity about the specific context of a vault loan.

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?

No guidance is provided on when to use this tool versus alternatives such as 'repay_loan' or 'take_loan'. The description lacks any situational context or prerequisites, making it difficult for an AI agent to select appropriately.

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