Retrieve a Lemon Squeezy checkout by ID, returning its URL, expiry, and custom data.
Get a specific checkout by ID, including URL, expiry, and custom data.
| Name | Required | Description | Default |
|---|---|---|---|
| include | No | Comma-separated related resources to include (e.g. 'store,variant') | |
| checkoutId | Yes | The checkout ID |
Changes observed during successful MCP inspections.
v0.10.10Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already indicate readOnlyHint, idempotentHint, and non-destructive nature. The description adds that the response includes URL, expiry, and custom data, providing useful context beyond the annotations. No contradictions.
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 sentence that is front-loaded and contains no extraneous words. Every word adds value.
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 simple get operation with 2 parameters, the description is reasonably complete. It states the core functionality and returned fields. Could mention the 'include' parameter for expanding related resources, but that is covered in the schema.
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?
The input schema covers both parameters (checkoutId, include) with descriptions. The description does not add new information beyond what the schema provides. With 100% schema description coverage, baseline 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 clearly states the action ('Get'), the resource ('checkout by ID'), and includes what is returned ('URL, expiry, and custom data'). This distinguishes it from sibling tools like ls_list_checkouts (list all) and ls_create_checkout (create).
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 when a specific checkout ID is known, but does not explicitly state when to use this tool versus alternatives like ls_list_checkouts. No guidance on when not to use or prerequisites is provided.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.