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Phone call notification video

create_phone_call_notification

Create a phone call notification (banner) animation. All options controllable. Free-plan exports include a MockClip watermark and the free plan includes 2 MCP renders; if the caller is on the free plan, mention that they can upgrade at /pricing for watermark-free exports and more renders.

Input Schema

NameRequiredDescriptionDefault
themeNo
outcomeYes
sceneIdNoComposite the clip onto real footage of a hand holding a phone, for a filmed look. Overrides videoFormat and showBezel: the export takes the scene's aspect, with the footage around the phone. Vertical 9:16 scenes: "outdoors" (outdoors), "bookshelf" (bookshelf), "two-hands" (two hands), "on-desk" (on the desk), "dim-room" (dim room). Landscape 16:9 scenes (YouTube, presentations): "city-wide" (city), "desk-wide" (desk), "neon-wide" (neon), "studio-wide" (studio). Default: none.
showBezelNoDraw the iPhone bezel around the screen (default true). With 1:1 it frames the top of the phone; false gives a plain frame.
textScaleNoText size: a zoom of the phone UI (text, bubbles, avatars, bars, keyboard, notification banners) as a multiplier from 1 (default, the app's real size) to 1.5, in steps of 0.1 — use it when a short conversation or a single notification should fill the screen. Chat and notification apps only; the other apps ignore it.
backgroundNo
callerNameYes
lockScreenNo
callerLabelNo
delayBeforeNo
videoFormatNoOutput aspect ratio. "1:1" is a square for feed posts: chat apps fit the conversation into the square, the other apps show the top of the screen (phone-call ignores it). "9:16", "9:19.5" (iPhone) and "3:2" apply with showBezel false. Default: the iPhone bezel, 9:16.
exportFormatNoOutput file. "mp4" (default) and "gif" are opaque. "webm" (VP9) and "mov" (ProRes 4444, large files) keep an alpha channel: the only way a transparent background, or the corners around the phone bezel, stay transparent. With background.backgroundType "transparent" and no exportFormat the clip exports as webm. Transparent WebM / MOV export needs a Creator or Studio plan; on other plans the clip is made as mp4 and the reply says so.
ringDurationNo
exportQualityNoResolution and frame rate of the file: "720p" or "1080p" (Full HD) at 15, 24, 30 or 60 fps, e.g. "1080p-30". Default "720p-30". Full HD takes up to 4× as long to export; 60 fps about twice as long and needs a Creator or Studio plan — on other plans the clip is made at 30 fps and the reply says so.
showStatusBarNoDraw the iOS status bar (time, signal, battery) at the top of the screen (default true). Applies with showBezel false or a sceneId: inside the iPhone bezel the status bar is always drawn, so to remove it set showBezel false too.
soundSettingsNo
callerAvatarUrlNo
showHomeIndicatorNoDraw the iOS home indicator bar at the bottom of the screen (default true).
backgroundImageUrlNo
transitionToFullScreenNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • addedInput schema / properties / background / properties / chromaStyle
      Added value: +{
      +  "enum": [
      +    "original",
      +    "keysafe"
      +  ],
      +  "type": "string"
      +}
  2. Changed1 schema field changed
    • removedInput schema / properties / background / properties / chromaStyle
      Removed value: -{
      -  "enum": [
      -    "original",
      -    "keysafe"
      -  ],
      -  "type": "string"
      -}
  3. Changed1 schema field changed
    • addedInput schema / properties / background / properties / chromaStyle
      Added value: +{
      +  "enum": [
      +    "original",
      +    "keysafe"
      +  ],
      +  "type": "string"
      +}
  4. Changed1 schema field changed
    • addedInput schema / properties / textScale
      Added value: +{
      +  "description": "Text size: a zoom of the phone UI (text, bubbles, avatars, bars, keyboard, notification banners) as a multiplier from 1 (default, the app's real size) to 1.5, in steps of 0.1 — use it when a short conversation or a single notification should fill the screen. Chat and notification apps only; the other apps ignore it.",
      +  "maximum": 1.5,
      +  "minimum": 1,
      +  "type": "number"
      +}
  5. Changed3 schema fields changed
    • addedInput schema / properties / exportQuality
      Added value: +{
      +  "description": "Resolution and frame rate of the file: \"720p\" or \"1080p\" (Full HD) at 15, 24, 30 or 60 fps, e.g. \"1080p-30\". Default \"720p-30\". Full HD takes up to 4× as long to export; 60 fps about twice as long and needs a Creator or Studio plan — on other plans the clip is made at 30 fps and the reply says so.",
      +  "enum": [
      +    "720p-15",
      +    "720p-24",
      +    "720p-30",
      +    "720p-60",
      +    "1080p-15",
      +    "1080p-24",
      +    "1080p-30",
      +    "1080p-60"
      +  ],
      +  "type": "string"
      +}
    • addedInput schema / properties / showHomeIndicator
      Added value: +{
      +  "description": "Draw the iOS home indicator bar at the bottom of the screen (default true).",
      +  "type": "boolean"
      +}
    • addedInput schema / properties / showStatusBar
      Added value: +{
      +  "description": "Draw the iOS status bar (time, signal, battery) at the top of the screen (default true). Applies with showBezel false or a sceneId: inside the iPhone bezel the status bar is always drawn, so to remove it set showBezel false too.",
      +  "type": "boolean"
      +}
  6. Changed1 schema field changed
    • addedInput schema / properties / exportFormat
      Added value: +{
      +  "description": "Output file. \"mp4\" (default) and \"gif\" are opaque. \"webm\" (VP9) and \"mov\" (ProRes 4444, large files) keep an alpha channel: the only way a transparent background, or the corners around the phone bezel, stay transparent. With background.backgroundType \"transparent\" and no exportFormat the clip exports as webm. Transparent WebM / MOV export needs a Creator or Studio plan; on other plans the clip is made as mp4 and the reply says so.",
      +  "enum": [
      +    "mp4",
      +    "gif",
      +    "webm",
      +    "mov"
      +  ],
      +  "type": "string"
      +}
  7. First observed

TDQS

C2.9/5.0
Behavior3/5

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

Annotations already declare this is a non-read-only, non-destructive, non-idempotent render operation. The description adds useful free-plan behavior: watermarking, a 2-render MCP limit, and an upgrade path, but it omits other behavioral details such as export timing, plan restrictions on certain formats, and whether rendering is synchronous.

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?

The purpose is front-loaded in the first sentence, and the free-plan caveat follows efficiently. The final sentence is longer because it includes caller-facing upgrade messaging, but it remains relevant and does not bury the core purpose.

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?

For a complex 20-parameter animation generator with nested objects and no output schema, the description is thin. It does not explain the returned artifact, rendering behavior, or parameter effects, leaving most completeness burden on the partially documented input schema.

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 description only says 'All options controllable' and provides no explanation of the 20 parameters, including the two required ones. With schema description coverage at 40%, the description does not compensate for undocumented parameters.

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 states a specific verb and resource: create a phone call notification (banner) animation. It is clear what the tool produces, but it does not explicitly distinguish this banner animation from the sibling create_phone_call tool.

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?

There is no guidance on when to use this tool versus alternatives such as create_phone_call or create_imessage_notification. The only usage-related instruction is about free-plan watermark messaging and upgrade prompts.

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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