herdr_controller_release

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

With no annotations, the description carries the behavioral disclosure burden. It discloses that the fence becomes invalid immediately and that worker/reviewer leases are preserved, which is valuable. However, it does not mention what happens to the controller state or any prerequisites beyond checkpointing.

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 with no filler. The purpose and key side effects are front-loaded, making it easy to read quickly. Every word adds value.

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?

Given the tool has 5 required parameters, no annotations, no output schema, and zero schema descriptions, this sparse description is inadequate. It fails to explain the parameters, success/failure behavior, or how checkpointing relates to the release. An agent would struggle to invoke this correctly without additional context.

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 0%, so the description must compensate, but it provides no explanation of the five required parameters. While names like controller_id and controller_lease_id are self-explanatory, the roles of checkpoint_ref and checkpoint_sha256 are not clarified, leaving the agent guessing about their format or purpose.

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 clearly states the tool releases a controller generation after durable checkpointing, with a specific verb and resource. It distinguishes itself from other controller tools (acquire, renew, etc.) by implying a final release operation, though it does not explicitly name siblings.

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?

The phrase 'after durable checkpointing' provides context for when to call, but it does not explicitly state when not to use it or mention alternative controller operations. The agent must infer that this is the terminal release step.

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