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

Adds real detail beyond the annotations: strict ordering and blocking ('wait for the results'), plus the 32-item cap. However, it does not disclose what happens on partial failure or what the per-action results look like, and the on_error='stop' default is left entirely to the schema property description.

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, the size cap and ordering guarantee front-loaded, then the item structure. Nothing is repeated from the schema and nothing is wasted.

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 32-action batch dispatcher with no output schema and no annotations covering execution semantics, the definition is complete enough to construct a call but thin on outcomes: it never says the tool returns one result per action, how failures surface, or how a stopped batch is reported.

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 67%, and the description covers the gap that matters: it explains the nested action object shape (a 'type' discriminator plus that action's own fields) and enumerates the ten valid types, which the schema's additionalProperties:true does not convey. The api_key and on_error parameters are documented in the schema, so no loss there.

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, resource and scope: 'Run up to 32 actions in order and wait for the results.' It distinguishes itself from the single-action siblings by pointing at them ('as in the single tools'), so an agent knows this is the sequential multi-action aggregator.

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 only implied by 'up to 32 actions in order' — the agent must infer that this is preferable to calling move/mine/place individually. There is no explicit when-to-use, no note on when to prefer single tools, and no reference to the cancel_actions sibling for aborting a batch.

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