Time Lock Timesheet

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

Annotations already declare not-read-only, non-destructive, idempotent, and open-world, so the safety profile is mostly covered. The description adds that the operation is bidirectional (lock or unlock via the same tool), which the annotations do not convey. However, it never explains what locking a timesheet actually prevents or whether a locked record can still be edited by privileged users.

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?

One sentence, front-loaded with the action and resource, with the date format inline. No filler, though the format hint could have been placed after the operation rather than mid-clause.

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?

An output schema exists, so return values need not be described. For a state-changing tool with real-world effect, however, the description omits permission requirements and the downstream consequence of locking, which is a meaningful gap even allowing for the annotation coverage.

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%, so the description must compensate. It supplies the lock_date format (YYYY-MM-DD) and implies the unlock flag's role through 'Lock or unlock', but user_id semantics (accepting integer or string per anyOf) and the default false on unlock are never explained in prose.

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 names a specific verb (lock/unlock), a specific resource (timesheet records), a scope (for a user), and a boundary (up to a specified lock date). It is clearly distinct from the read/write siblings like time_update_time_entry because it is a lock-state operation, though it does not explicitly name those siblings to route the agent.

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 statement of when to choose this over the alternative write tools (time_update_time_entry, time_update_time_approval_status, time_reconcile_and_submit_week), nor any prerequisite or caution about locking. The condition that selects it is left entirely to inference from the name.

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