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hikerapi-mcp

get_v2_userstream_by_username

Retrieve comprehensive user stream data for any Instagram account by providing the username. This tool returns the user's profile information, posts, and activity stream.

Instructions

[GET /v2/userstream/by/username] If speed is crucial, it's more efficient to use the by/id endpoint for quicker responses.

Get userstream (info) 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 are provided, so the description must disclose behavioral traits. It only states 'Get userstream (info)' with no mention of side effects, permissions, rate limits, or data structure. This is minimal transparency.

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 short but includes a bracket notation for the API path which may be unnecessary. The first sentence is a conditional suggestion that is somewhat out of place. Overall concise but not optimally structured.

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?

With no output schema and no annotations, the description fails to explain what userstream contains or what to expect from the response. It lacks essential context for an agent to use the tool effectively.

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

Parameters1/5

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

Schema coverage is 0%, meaning the schema provides no parameter descriptions. The description adds no additional meaning for the username parameter beyond what is obvious from the schema type and title.

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 clearly states it gets userstream info by username, using a specific verb and resource. It also mentions an alternative endpoint for speed, helping differentiate from the by-id variant.

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

Usage Guidelines4/5

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

Explicitly advises using the by/id endpoint when speed is crucial, providing a clear when-not-to-use condition. However, it does not cover other scenarios or compare with other sibling tools.

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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