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list_videos

Retrieve all ad videos uploaded to a specified ad account. Access detailed information about your video assets and manage campaign media using the Meta Marketing API.

Instructions

List ad videos uploaded to the ad account.

Input Schema

NameRequiredDescriptionDefault
afterNoPagination cursor for next page
limitNoNumber of results (default 25)
fieldsNoComma-separated fields to return
account_idNoAd account ID to query (e.g. 'act_123' or '123'). Falls back to META_AD_ACCOUNT_ID env var if omitted.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changedv1.6.1
    • addedInput schema / properties / account_id
      Added value: +{
      +  "description": "Ad account ID to query (e.g. 'act_123' or '123'). Falls back to META_AD_ACCOUNT_ID env var if omitted.",
      +  "type": "string"
      +}
  2. First observedv1.2.0

TDQS

B3.2/5.0
Behavior3/5

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

Since no annotations are provided, the description carries the full burden of behavioral disclosure. It is a minimal statement of purpose, but it does not disclose key behaviors such as whether the operation is read-only, its pagination mechanism, or any required permissions beyond the high-level description.

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, consisting of a single, clear sentence that is highly efficient and front-loaded with the core function.

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 that there is no output schema or annotations, the description should provide more behavioral context. Its brevity is insufficient for a listing tool, as it does not indicate the nature of the returned data (e.g., list of IDs vs. full metadata) or any default scoping.

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%, meaning the schema fully documents all parameters. The description does not add any semantic meaning to the parameters (like 'after' or 'fields'), making the baseline score of 3 appropriate.

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 a specific verb ('List') and clearly identifies the resource ('ad videos') and the scope ('uploaded to the ad account'). It is precise, but it does not explicitly differentiate itself from other video-related tools like 'get_video' or 'upload_video'.

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 definition only states the purpose of the tool. It provides no guidance on when this tool should be chosen over other related tools (like 'list_ads' or 'list_creatives'), leaving the agent to rely purely on schema and naming conventions.

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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