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

No annotations exist, so the description carries the full burden. It usefully decodes the waiting_otp_ready/waiting_otp states and tells the agent the OTP must be entered in the TestOptim app, which is genuine behavioral context. However, it never states that the call is read-only/idempotent, and says nothing about rate limits or whether the operation is cheap to poll.

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 tight sentences with zero waste; the primary purpose leads and the OTP caveat is appended as a secondary note.

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?

With no output schema, the description does the work of explaining return content (status, progress, page/flow counts on completion) and even the meaning of special statuses. It is nearly complete for a simple read tool; only the guarantee of read-only behavior and polling guidance are 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?

Schema description coverage is 100% and the single explorationId parameter is documented there as the _id returned by start_exploration. The description adds no further meaning about the identifier, so baseline 3 applies.

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+resource ('Check an exploration') with an enumeration of what is returned: status, progress, and page/flow counts once ended. It is clearly the read counterpart to start_exploration, though it never names that sibling explicitly.

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?

Usage is implied rather than stated: 'check' plus the status semantics suggest polling an exploration after start_exploration, but there is no explicit when/when-not, no mention of polling cadence, and no reference to stop_test_run or other alternatives.

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