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

Annotations already declare destructiveHint=true, idempotentHint=false, and readOnlyHint=false, so the agent knows this is a destructive, non-idempotent write. The description adds only the prerequisite of intent/permission checks; it does not elaborate on side effects, required auth, or what gets destroyed, which would be valuable given the destructive annotation.

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 a single, front-loaded sentence with no filler. It is appropriately sized but very sparse, which is efficient though not richly informative.

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 destructive, non-idempotent charge workflow with no output schema and minimal schema detail, the description is barely adequate. It mentions prerequisites but omits behavioral details like error handling, required permissions, or expected outcomes, leaving the agent under-informed for a high-stakes operation.

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% for the single 'body' parameter, but the schema description itself is uninformative ('See the AffixIO OpenAPI schema resource'), so the description does not compensate for the lack of parameter detail. Baseline 3 applies because schema coverage is high, but the description adds no parameter meaning.

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 states a specific verb (run) and resource (Agentic Pay charge workflow), which is clear enough. It does not explicitly distinguish itself from siblings like agentic_pay_reverify or agentic_pay_catalogue, but the focus on running a charge flow is distinct.

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 intent and permission checks are present' implies a prerequisite, but it doesn't say when to use this tool versus alternatives (e.g., agentic_pay_catalogue or agentic_pay_reverify) or what happens if prerequisites are missing. Usage context is implied rather than explicit.

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