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 the full burden. It mentions the URL creation and no login requirement but omits details like error behavior, URL expiration, or side effects of creation.
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?
Two sentences with no wasted words. The main action is front-loaded and each sentence provides essential 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?
Given the simple structure (1 param, no output schema), the description covers the core functionality well. However, it lacks specification of the return value (the URL itself) which would aid 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?
Schema coverage is 100% (only one parameter, items). The description adds context (URL, no login) but does not significantly enrich the meaning of the items parameter beyond what the schema already describes.
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 it creates a direct checkout URL for Wix Stores products, using specific verbs ('Create') and resource ('direct checkout URL'). It distinguishes the tool from siblings like list_products by focusing on payment completion.
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 implies usage for completing payment via a URL and notes that no login is required, but it does not explicitly state when to use versus alternatives or provide exclusions.
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.
Each tool targets a distinct operation: bookings, restaurants, events, forms, etc. Even similar actions like create_booking and request_reservation are clearly differentiated by domain and description.
Tools follow a consistent verb_noun pattern (e.g., create_booking, get_availability, list_blog_posts). Collection retrieval uses list_ while single item uses get_, which is a standard and clear convention.
28 tools is on the upper end, but each serves a distinct function for a comprehensive neighborhood directory (places, events, booking, forms, etc.). No obvious bloat given the scope.
The tool surface covers all major user intents for a local directory: searching places, getting menus, booking services, viewing events, submitting forms, etc. No critical gaps are apparent.