eudr_agent_micro_pay

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

With no annotations provided, the description carries the full burden of behavioral disclosure. It states it 'executes' settlement, but the input schema includes a tx_hash proving USDC transfer, creating ambiguity about whether the tool initiates the transfer or verifies/records an existing one. It does not disclose side effects (e.g., fund movement, irreversible actions), authorization requirements, or what happens on failure. The lack of clarity on the role of tx_hash is a significant gap for an on-chain operation.

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 sentences, front-loaded with the core action, and contains no redundant words. 'Human checkout is excluded' is a succinct differentiator. It is appropriately sized for the tool's complexity.

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 an on-chain payment tool, the description is incomplete. It does not explain the expected outcome (e.g., settlement recorded, funds moved), prerequisites (e.g., budget availability, prior transaction), or how the tx_hash is used. The ambiguity between executing versus verifying a transfer leaves agents uncertain about preconditions and postconditions. No output schema exists, so the description should compensate, but it does not.

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 baseline is 3. The description mentions 'per plot or batch', which loosely maps to num_plots, but adds no extra semantic detail beyond what the schema already provides. Since all parameters are well-described in the schema, the description does not need to compensate, but it also does not enhance understanding beyond the baseline.

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 identifies the action: 'Executes autonomous real-time on-chain USDC micro-settlement per plot or batch.' It also differentiates itself by explicitly excluding human checkout, which distinguishes it from human-initiated payment tools like eudr_create_payment_order. The verb 'executes' and specific resource 'USDC micro-settlement' make the purpose unambiguous.

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 gives contextual guidance by stating it is for autonomous real-time settlement and excluding human checkout, implying this tool is for agent-driven micro-payments. However, it does not explicitly name alternative tools or provide conditions for when to choose this over e.g., eudr_create_payment_order. The exclusion of human checkout provides a clear boundary, but more explicit routing would be ideal.

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