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

With no annotations, the description carries the full burden and gives almost nothing. 'Discard' implies data loss, but the description doesn't confirm whether the buffered input is unrecoverable, whether the capture job is terminated or merely stopped recording, or what the caller receives afterward.

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?

A single short sentence with no filler, but its terseness is under-specification rather than economy. There is no front-loaded scope or consequence that would let an agent act confidently.

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 mutating, unannotated tool with no output schema, the description should explain irreversibility, effect on the capture job, and failure behavior. None of that is present, leaving the agent to infer the consequences of a destructive-sounding call.

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 coverage is 100%, so both parameters (captureJobId and notification_message) are already documented in the schema, which sets the baseline at 3. The description adds nothing about how captureJobId scopes the discard or how the notification message surfaces.

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 verb ('Discard') and an object ('manual input recording buffer'), so the general intent is graspable. But it doesn't reconcile the tool name (which suggests stopping a recording) with the description (which suggests deleting buffered input), and it never mentions the required captureJobId that ties the action to a specific capture job.

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 use this instead of the obvious siblings pause_capture, resume_manual, retry_capture, or delete_capture_job. An agent has to guess whether stopping recording is distinct from pausing, or whether the capture job survives after the buffer is discarded.

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