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Get Threads Carousel Items

threads_get_media_children
Read-onlyIdempotent

Retrieve individual media items from a Threads carousel post using its media ID.

Instructions

Gets individual items in a Threads carousel post.

Args:

  • media_id (string): Carousel media ID

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
media_idYes
response_formatNoOutput format: 'markdown' for human-readable or 'json' for machine-readablemarkdown
Behavior3/5

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

Annotations already declare readOnlyHint=true, destructiveHint=false, idempotentHint=true. The description adds that it is for carousel items but does not elaborate on behavior like rate limits or response details. Does not contradict annotations.

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

Conciseness4/5

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

Short and front-loaded with purpose. Could list both parameters explicitly, but is efficient overall.

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?

Lacks description of return value or fields. No output schema, so description should explain what each item contains. Does not mention pagination or additional context.

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

Parameters3/5

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

Schema coverage is 50% (response_format has description, media_id does not). The description adds meaning for media_id ('Carousel media ID') but not for response_format. Partially compensates for missing schema documentation.

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

Purpose5/5

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

The description clearly states that the tool gets individual items in a Threads carousel post, using a specific verb and resource. It distinguishes from siblings like threads_get_post which gets a single post.

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 vs. alternatives. Does not mention prerequisites, such as needing a carousel media ID from a parent post, or when not to use it.

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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