alexa_add_list_itemAdd an item to an Alexa list (shopping, to-do, etc.) by providing the list ID and item text.
Add an item to an Alexa list (shopping, to-do, etc).
| Name | Required | Description | Default |
|---|---|---|---|
| value | Yes | The item text to add | |
| listId | Yes | The list ID |
Changes observed during successful MCP inspections.
v1.2.0Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are present, so the description must fully disclose behavior; however, it only states 'add an item' without detailing side effects, error conditions, or limitations such as list existence checks or item limits.
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 concise with no wasted words, but it sacrifices necessary detail; it is one sentence, which is efficient but incomplete.
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 low complexity (2 parameters, no output schema, no annotations), the description is insufficient; it fails to explain success behavior, prerequisites (e.g., list must exist), or how to obtain the listId from sibling tools.
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%, and the description adds no extra meaning beyond the parameter descriptions already present in the schema.
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 (add), resource (item to an Alexa list), and provides examples (shopping, to-do, etc.), distinguishing it from sibling tools like alexa_get_list_items.
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?
No usage guidance is provided; it does not specify when to use this tool versus alternatives, nor any prerequisites or exclusions.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.