release_terminal

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

Annotations already declare idempotentHint=true and destructiveHint=false, so the safety profile is covered. The description adds the ownership framing ('a tab this session claimed') but never says what release actually does to the tab — whether it stays open, becomes claimable by others, or invalidates later read_terminal/send_text calls.

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 short sentences, front-loaded with the action and the ownership constraint. There is mild redundancy between 'Release a tab' and 'Release when…', but nothing that wastes real space.

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 no explanation, and annotations cover safety and idempotency. The remaining gap is lifecycle semantics — what state the tab ends up in after release and how that interacts with close_terminal — which matters for a tool sitting in a claim/release/close family.

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% for the single 'session' parameter, so the description has to carry it. The phrase 'this session claimed' does imply the parameter is the caller's session identifier rather than an arbitrary tab ID, which is a meaningful clarification, but no format or validation detail is given.

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?

States a specific verb ('Release') and resource ('a tab this session claimed'), and the ownership qualifier implicitly separates it from sibling 'claim_terminal'. It is not as crisp as naming the sibling outright, but an agent can tell what it does.

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?

'Release when your work on the tab is done' gives a when-to-use condition, but there is no when-not, no mention of claim_terminal as the counterpart, and no indication of whether release is mandatory before close_terminal or further claims by other sessions.

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