clipwright-speed

AI-facing MCP tool that applies a LinearTimeWarp speed change to clips in an OpenTimelineIO (OTIO) timeline.

What it does

clipwright_set_speed reads an existing OTIO timeline, attaches (or replaces) a LinearTimeWarp effect on the target clip(s) using the given speed multiplier, and writes the result to a new OTIO file. The input timeline is never modified (non-destructive). Applying the same speed twice replaces rather than stacks the warp (idempotent).

Tool: clipwright_set_speed

Parameter Type Required Description
timeline string yes Path to the input .otio timeline file
output string yes Path for the output .otio file (must differ from timeline)
options.speed float yes Playback speed multiplier (0.25–8.0). Values > 1.0 speed up, < 1.0 slow down.
options.clip_index int | null no Zero-based clip index in V1 (gaps excluded). null applies to all clips.

Speed range

Valid range is 0.25 to 8.0 inclusive. Values outside this range return an INVALID_INPUT error with a hint.

Idempotency

Applying clipwright_set_speed twice with the same speed on the same clip results in exactly one LinearTimeWarp effect — no stacking.

Non-destructive

The input timeline file is never modified. All changes go to the output path.

Foreign warps

Pre-existing LinearTimeWarp effects that were not created by clipwright-speed (i.e., lacking metadata["clipwright"]) are preserved.

MCP Registration Example

{
  "mcpServers": {
    "clipwright-speed": {
      "command": "clipwright-speed"
    }
  }
}

Or with an explicit Python path:

{
  "mcpServers": {
    "clipwright-speed": {
      "command": "/path/to/.venv/bin/python",
      "args": ["-m", "clipwright_speed.server"]
    }
  }
}

Prerequisites

License

MIT

Key dates

PyPI data
Data sourced directly from PyPI's database.
  • Released:
Newer release available (0.3.0)

1 maintainer

PyPI data
Data sourced directly from PyPI's database.
Avatar for satoh-y-0323 from gravatar.com satoh-y-0323

Credits

Author: satoh-y-0323

License

MIT

Requires

Python >=3.11

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