signupgenius_release_slot

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

Beyond the destructiveHint and readOnlyHint annotations, the description reveals a two-phase behavior: a no-confirm preview call and a confirm:true execution call. It also explicitly warns 'WRITES DATA — this removes a real sign-up,' which is exactly the kind of destructive detail an agent needs.

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 sentences deliver purpose, scope, call protocol, and a destructive warning with no wasted words. The critical warning is front-loaded before the how-to.

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 destructive mutation with no output schema, the description gives enough to call it safely: what it does, the preview-then-confirm workflow, and the irreversible effect. It does not mention return values, but that is not necessary for deciding whether and how to invoke this tool.

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?

The schema already documents all five parameters with 100% coverage, so the baseline is 3. The description earns an extra point by explaining that the confirm flag controls a preview/execute distinction and by framing the slot as one the user previously signed up for, which clarifies the roles of itemMemberId and slotitemid.

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 opens with a specific verb and resource: 'Withdraw (give up) a slot the user previously signed up for.' This makes the drop action unmistakable and clearly differentiates it from sign-up tools like signupgenius_claim_slot or signupgenius_rsvp.

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?

It gives a concrete call sequence: invoke without confirm to preview, then with confirm:true, and warns that this removes a real sign-up. It does not explicitly name a sibling alternative or state when not to use it, but the 'previously signed up for' scope provides the key context.

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