email_test_account

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

No annotations are provided, so the description carries the full burden of behavioral disclosure. 'Test an email account connection' is vague about what the tool actually does—whether it mutates state, what happens on failure, whether it blocks while testing, or what side effects (if any) occur. For a tool whose behavior is inherently unclear (what does 'testing' actually do?), this is a significant transparency gap.

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 a single short sentence with no wasted words, which is efficient. However, it's underspecified rather than appropriately concise—one sentence that provides nearly no actionable detail. It earns a pass for brevity but not for delivering useful content.

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 low-complexity single-parameter tool with no output schema, the description is minimal. But this tool sits in a large email tool family where 'test connection' has ambiguous semantics (credential validation? SMTP/IMAP reachability? authentication?). While the complexity is low, the ambiguity problem means the description should provide more context about what testing entails and what outcome signals success, which it does not.

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?

Schema description coverage is 0% and there's only one parameter (accountId), yet the description provides no information about it beyond what the schema's type/title already give. The description doesn't clarify what accountId refers to in context (e.g., a recipient's account vs. the user's own configured account), which is meaningful given the email domain. With 0% coverage, the description should compensate but does not.

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 'Test an email account connection' uses a specific verb (test) and resource (email account connection), making the basic purpose clear. However, it doesn't clarify what 'test' means practically—whether it validates credentials, checks server reachability, or runs an authentication handshake. Among siblings like email_list_accounts, email_add_account, and email_remove_account, the purpose is reasonably distinct, but it lacks behavioral specifics that would fully differentiate it.

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 guidance on when to use this tool versus alternatives. It doesn't state when testing is appropriate (e.g., after adding an account, before sending mail), nor does it mention prerequisites like requiring the account to already exist. Among many email tools in the sibling list, there's no differentiation or usage context provided.

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