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

With no annotations provided, the description carries the full burden. It discloses the key behavioral trait – starting a 7-day auto-release clock – which is useful and non-obvious. However, it omits what happens after delivery (e.g., poster approval/rejection path), whether re-delivery is allowed, or any auth details beyond what the schema already states.

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, no waste, and the most important consequence (auto-release clock) is front-loaded. Very efficient.

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 mutation tool with no annotations and no output schema, the description covers the core action and its main side-effect. But it lacks detail on what the deliverable return or subsequent state looks like, failure modes, and permission requirements, leaving some gaps for an agent to fill.

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%, so the schema already documents all four parameters fully. The description adds only that milestone delivery is an option ('or one milestone of it'), which is already implied by the milestone_id param description. Baseline 3 is appropriate.

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 (deliver) and resource (job/milestone) clearly. It implies the contractor role relationship but doesn't explicitly name which sibling it differs from (e.g., jobs_bid or jobs_my_work), leaving sibling differentiation somewhat implicit.

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?

Mentions you deliver a job you were awarded, which gives some context ('awarded' implies contractor role after bidding). However, there are no explicit when-to-use vs alternatives, no exclusions, and no mention of prerequisites beyond the schema's api_key scope requirement.

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