Hồ sơ tài khoản MONA Pay

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

Annotations already declare readOnlyHint=true, idempotentHint=true, and destructiveHint=false, so the safety profile is covered. The description contributes only a light addition by naming the returned fields; there is no note on auth assumptions or behavior when unauthenticated, which would have earned more.

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 the resource stated first; nothing extraneous. The Vietnamese and English lines convey the same content rather than adding new information, but for a bilingual API this is efficient 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?

For a zero-argument read tool with no output schema, naming the returned fields is genuinely useful and the annotations carry the safety profile. The only missing piece is differentiation from 'monapay_whoami', which keeps it short of full completeness.

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 tool takes zero parameters, which is the baseline-4 case. The description's field list ('id, name, status') describes outputs rather than inputs, but with no parameters there are no input semantics left to explain.

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?

Specific verb and resource: it fetches the currently authenticated MONA Pay account and even enumerates returned fields (id, name, status). However, it does nothing to distinguish itself from the very similar sibling 'monapay_whoami', which appears to serve the same 'get my account' purpose.

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?

There is no explicit when-to-use statement, no prerequisites, and no mention of alternatives. Given that 'monapay_whoami' sits in the same toolset with a nearly identical apparent purpose, the absence of any routing guidance is a real gap rather than a harmless omission.

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