commerce.pro_requirementsBuild x402 payment requirements to purchase the Pro quota tier. Next: pay those terms, then commerce.activate_pro with the signature.
| Name | Required | Description | Default |
|---|---|---|---|
| agent_id | No | Optional agent identity the Pro grant will attach to. |
| Name | Required | Description | Default |
|---|---|---|---|
| result | Yes |
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
The description discloses the non-final nature of the operation by noting that payment and activation must follow. This complements the readOnlyHint and idempotentHint annotations without contradicting them, and it makes the tool's role in the larger workflow clear.
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 short sentences with no filler. The core purpose is front-loaded, and the workflow next steps are conveyed efficiently. Every sentence contributes useful information.
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?
With one optional parameter, a full output schema, and read-only/idempotent annotations, the description is complete enough for the low complexity. It covers the intended workflow and names the next tool to invoke, so an agent has the necessary context to call it correctly.
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 optional agent_id parameter is already fully documented. The description does not need to repeat parameter details and adds no extra parameter-specific meaning, so the baseline score of 3 is appropriate.
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 explicitly states the action ('Build x402 payment requirements') and the specific target ('purchase the Pro quota tier'). It also differentiates itself from the sibling activation tool by describing this as a precursor step, so an agent can clearly tell what it does.
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 clear sequential usage context: build the requirements, pay the terms, then call commerce.activate_pro. It does not explicitly list alternatives like commerce.credits_requirements, so it is strong on when to use but weaker on when not to use.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Add one secure layer between your agents and this server.
The namespaces help, but there is real overlap in purpose: city.check with x402.pay_and_fetch, city.sample with x402.probe, and multiple tools that verify a payment and then activate, credit, or settle something. The descriptions clarify which resource is being paid for, but tool names alone leave room for misselection.
Nearly every tool uses a lower-case dotted namespace.action pattern, making the set easy to scan. Some command parts are inconsistent, though: x402.networks, pulse.base, and commerce.credits_requirements read as nouns rather than actions, so the style is mostly but not fully uniform.
Nineteen tools is in the heavy range, and they span many subsystems: x402, city, commerce/quotas, swarm, ops, and Base network metrics. The number is not extreme, but the server feels like multiple product surfaces bundled under one MCP rather than a tightly scoped toolset.
The x402 lifecycle is well covered: discover, probe, pay, fetch, verify, sell, and settle, plus supportive commerce and city workflows. Notable gaps are refunds/quota-balance checks, seller resource update/removal, and invoice-like management for Stripe/card purchases, but none blocks the object workflows.