Execute Batch Actions

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

The description adds valuable behavioral context beyond annotations: it explicitly states the atomic 'all succeed or all fail' property, which isn't covered by the existing annotations (readOnlyHint=false, openWorldHint=true, idempotentHint=false, destructiveHint=false). This is critical information for understanding transaction behavior. However, it doesn't mention rate limits, authentication requirements, or error handling specifics.

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 perfectly concise with just two sentences that each earn their place: the first states the core functionality and atomic guarantee, the second provides usage context with concrete examples. There's zero wasted language, and the most important information (atomic execution) is front-loaded.

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 complex mutation tool with no output schema, the description does well by explaining the critical atomic behavior. However, it doesn't describe what happens on success/failure (return values, error formats) or address potential side effects beyond the atomic guarantee. Given the tool's complexity and lack of output schema, some additional context about expected responses would improve completeness.

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?

With 100% schema description coverage, the schema already documents the 'actions' parameter thoroughly including its structure, constraints (1-50 items), and component fields. The description doesn't add any parameter-specific semantics beyond what's in the schema, so it meets the baseline expectation without providing extra value.

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's purpose with specific verbs ('execute multiple actions atomically') and resource ('in a single batch'), and distinguishes it from siblings by emphasizing atomic batch execution. It provides concrete examples ('mint + transfer + configure in one transaction') that illustrate its unique value proposition compared to individual action tools like dual_execute_action.

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 description provides clear context for when to use this tool ('useful for complex operations'), implying it should be used for multi-step workflows requiring atomicity. However, it doesn't explicitly state when NOT to use it or name specific alternatives (like dual_execute_action for single actions), which prevents a perfect score.

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