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

Annotations only say readOnlyHint=false and destructiveHint=false; the description adds genuinely non-obvious behavior — one token consumed per call, an XBOSS job created, processing results stored, and an explicit warning that this "validate" call is not purely read-only. The final sentence about institution data changes following per-tool procedures is vague, but the core side-effect disclosure is valuable and consistent with the annotations.

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 purpose statement is buried behind an auth precondition and a long idempotency boilerplate block, and English and Korean are interleaved. Sentences like "This optional key is not available to anonymous taste calls" (likely a typo for test) and the provider idempotency_key caveat add noise for a tool with zero required parameters.

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 two-optional-parameter validation tool with additionalProperties and no output schema, the description plus the schema-level note ("send what you have; response lists missing_required_fields and field_errors; nothing saved or submitted") covers auth, side effects, idempotency, and return semantics. Only the routing relative to acqs_precheck/acqs_save is missing.

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?

With 100% schema coverage the baseline is 3, but the description goes beyond the schema for request_idempotency_key: generate before the first request, reuse only for recovery of the same request with identical arguments, use a new key for a new execution, and no key means a repeat call is a new request. The caveat about provider-specific idempotency_key being a different field is also useful, though it references a field this tool does not expose.

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?

"Validate employee qualification acquisition draft without submission" gives a specific verb (validate) and resource (qualification acquisition draft), and "without submission" preempts the obvious confusion with the save/submit path. It does not explicitly name the sibling validators (chg_draft_validate, dependent_draft_validate, los_draft_validate), but the "acquisition" qualifier does the discrimination indirectly.

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 prerequisite ("REQUIRES prior fourinsure__session__login call with same account_link_id") is stated clearly, and idempotency-key reuse rules are spelled out. However, there is no guidance on when to pick this over acqs_precheck, or that this validation should precede acqs_save — the ordering that matters most for a draft-validate tool is left to inference.

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