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exileum

meta-mcp

ig_publish_story

Publish a temporary Instagram story using an image or video URL. The story disappears after 24 hours.

Instructions

Publish a Story (image or video). Stories disappear after 24 hours.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
media_urlYesPublic HTTPS URL of the media
media_typeYesStory media type
Behavior4/5

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

Annotations already indicate read/write nature. The description adds the key behavioral trait that stories disappear after 24 hours, which is valuable beyond the annotations.

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

Conciseness5/5

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

The description is extremely concise: two sentences with no wasted words. Every sentence adds essential information (purpose and ephemerality).

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

Completeness3/5

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

Given the simple two-parameter tool and no output schema, the description covers purpose and a key behavior but lacks information about return values, error conditions, or media requirements like size limits. It is minimally adequate.

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 description coverage is 100%, so the schema already documents both parameters. The description adds no extra meaning beyond what is in the schema, such as format restrictions or defaults.

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 it publishes a Story (image or video) and mentions the 24-hour disappearance, distinguishing it from sibling tools like ig_publish_photo (permanent feed post) and ig_publish_reel (not necessarily ephemeral).

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?

The description provides no guidance on when to use this tool versus alternatives (e.g., ig_publish_photo, ig_publish_reel), nor does it mention prerequisites or limitations.

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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