add_charging_schedule

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

With no annotations, the description carries the behavioral burden. It clearly communicates the action and adds a helpful behavior detail about crossing midnight, though it does not mention side effects like overwrites, conflicts, or persistence.

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?

The description is two concise sentences with no filler. It front-loads the core purpose and follows with a practical format clarification.

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 five parameters, no output schema, and no annotations, the description is fairly complete for a simple add operation. It explains the main behavior and format edge case; while it omits error/conflict behavior, that is not critical for basic invocation.

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%, but the description adds meaningful parameter-related context by explaining that a window crossing midnight (e.g. 23:00-06:00) is handled automatically, which clarifies the start/end relationship beyond individual field descriptions.

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 a specific action and resource: 'Schedules a charging time window.' It distinguishes this from sibling operations like get_charging_schedule, remove_charging_schedule, and set_charging_allowed.

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?

Usage is implied by the tool name and verb, but the description does not explicitly say when to use this tool versus alternatives, nor does it mention exclusions or relationships with sibling schedule-related tools.

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