Create a direct checkout URL for one or more store products (Wix Stores). The user clicks the URL to complete payment on the site — no login required on the AI agent side.
| Name | Required | Description | Default |
|---|---|---|---|
| items | Yes | Products to add to cart. |
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations provided, the description carries full disclosure burden. It describes the core behavior (creating a URL, user completes payment, no login needed) but does not mention potential side effects, error cases, or rate limits. This is adequate for a simple creation tool.
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 composed of two sentences with no wasted words. It front-loads the purpose and adds relevant context, making it easy for an AI agent to parse quickly.
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 tool with one parameter and no output schema, the description is sufficiently detailed. It explains what the tool creates and how it is used, though it omits details about the returned URL format or error handling.
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 baseline is 3. The description adds no extra parameter details beyond what the schema already provides (items with productId and quantity). Thus, it meets but does not exceed 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 states the verb 'Create', resource 'direct checkout URL', and context 'for one or more store products (Wix Stores)'. It uniquely identifies the tool's function among siblings, as no other tool creates checkout URLs.
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 explains that the tool is used when a payment URL is needed and clarifies that no agent-side login is required. It lacks explicit when-not-to-use instructions, but given no alternative checkout tool exists among siblings, the guidance is sufficient.
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.
Every tool has a clearly distinct purpose, with detailed descriptions that prevent ambiguity. Overlaps like create_booking vs request_reservation are clarified by domain (appointments vs restaurant) and mechanics.
All tool names follow a consistent verb_noun pattern (e.g., create_booking, list_events, search_places). The same conjugation style (snake_case) is used throughout, with no mixing of conventions.
At 28 tools, the set is slightly larger than the typical well-scoped range (3-15), but each tool corresponds to a distinct feature of the neighborhood directory, making the count reasonable for the breadth of functionality.
The tool surface covers all major user-facing actions: searching, browsing, booking, purchasing, and retrieving information. No obvious gaps exist for the stated purpose of a neighborhood directory.
