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subzeroid

lamatok-mcp

get_v1_user_by_username

Retrieve TikTok user profile details by username. Access public data like bio, follower count, and video stats for any valid TikTok account.

Instructions

[GET /v1/user/by/username] Userinfo By Username

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
usernameYes
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations were provided. The description only mentions GET method, implying a read operation, but does not explicitly state it is non-destructive or clarify authentication, rate limits, or response format.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is very concise (one sentence), but it sacrifices necessary detail. It is front-loaded with the HTTP path, but lacks informative content.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's simplicity (one parameter, no output schema), the description is incomplete. It does not explain what userinfo includes or any edge cases, leaving the agent with insufficient context.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema provides a 'username' parameter with constraints, but the description adds no additional meaning or context about the parameter beyond what is in the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description uses 'Userinfo By Username' which clearly indicates retrieving user profile information by username. It distinguishes from sibling tools like followers, following, and playlists by focusing on general user info.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance on when to use this tool versus alternatives. The description does not specify that it is for basic profile info and not for followers or other data.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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