get_rich_menu_listRetrieve all rich menus linked to your LINE Official Account, so you can review or manage the menus available to users.
Get the list of rich menus associated with your LINE Official Account.
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Changes observed during successful MCP inspections.
v0.0.1-localDoes the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations provide readOnlyHint=true, but the description adds no further behavioral context beyond that. It does not mention output format, pagination, rate limits, or any other traits. For a tool with no parameters and no output schema, the description should at least hint at the nature of the returned data.
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, clear sentence with no unnecessary words. It efficiently conveys the tool's purpose without redundant 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 tool's simplicity (no parameters, no output schema), the description is minimally adequate but lacks details about the return value (e.g., whether it returns IDs or full rich menu objects), which would help the agent fully understand the tool's output.
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 tool has zero parameters and schema coverage is 100% (vacuously). According to the rubric, no parameters defaults to a baseline score of 4. The description does not need to add anything beyond 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 tool retrieves the list of rich menus for the user's LINE Official Account. It uses a specific verb (Get) and resource (rich menus), distinguishing it from sibling tools like create_rich_menu or delete_rich_menu.
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 the tool is for reading existing rich menus, but it does not explicitly guide the agent on when to use this tool versus alternatives. Since siblings include both read and write operations, some explicit usage guidance would be beneficial.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.