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unity-timeline

Create Unity Timeline assets and add typed tracks, clips, and bindings.

Updated May 20, 2026
Search Tags:#unity#timeline#editor#tracks#clips#cutscene#playabledirector
One-click install
npx skills add https://github.com/yuse168/Roomies --skill unity-timeline-yuse168
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: unity-timeline
Source: https://github.com/yuse168/Roomies/tree/main/.agents/skills/unity-skills/skills/timeline
Command: npx skills add https://github.com/yuse168/Roomies --skill unity-timeline-yuse168

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve? Building cutscenes and sequences in Unity requires manually creating Timeline assets, adding typed tracks, placing clips, and wiring bindings in the editor, which is slow and repetitive when done by hand. ## Core Features & Use Cases - Timeline Creation: Create Timeline assets with a PlayableDirector instance and save them to a configurable folder. - Typed Tracks & Clips: Add animation, audio, activation, control, and signal tracks, then drop clips with start time and duration onto any track. - Bindings & Playback: Bind GameObjects to tracks, set Timeline duration and wrap mode, and drive editor preview play, pause, and stop through the PlayableDirector. - Use Case: When a user asks to build a cutscene, create a Timeline asset, add an animation track bound to a character, add an audio track, place clips at specific times, and preview the sequence in the editor. ## Quick Start Create a Timeline named IntroCutscene, add an animation track bound to the Hero character, and add a 3-second clip starting at 0 seconds.

Frequently Asked Questions about unity-timeline

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I create a Unity Timeline asset programmatically?▼

Use the timeline_create skill with a name and optional folder, which defaults to Assets/Timelines. It creates the Timeline asset plus a GameObject with a PlayableDirector and returns the asset path and director instance ID.

How to add animation or audio tracks to a Unity Timeline?▼

Use the typed track skills such as timeline_add_animation_track or timeline_add_audio_track, targeting the GameObject by name, instance ID, or hierarchy path. The animation track can optionally bind an object at creation time.

Can I add keyframes directly to a Unity Timeline?▼

No, Timeline works with clips rather than direct keyframes. Use timeline_add_clip to place a clip on a named track with a start time and duration in seconds.

Does timeline_play enter Unity Play mode?▼

No, timeline_play only drives the editor preview through PlayableDirector Evaluate and Play in the editor context. It supports play, pause, and stop actions without entering Play mode.

Why is timeline_remove_track blocked in some modes?▼

The remove operation is marked as a Delete operation and is statically forbidden in SemiAuto mode. It only runs in Bypass mode or when the skill is added to the allowlist.

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