Shotcut MCP

io.github.NoBanks由 GitHub 账号 NoBanks 发布v0.2.1更新于 Oct 29, 2026

Edit video through Shotcut's MLT engine: timelines, cuts, filters, titles, crossfades and renders.

已验证STDIO仅桌面文件与存储媒体与设计

概览

AI 生成的概览

本地 MCP 服务器，让助手通过 Shotcut 的 MLT 引擎剪辑并渲染视频，输出可继续编辑的 .mlt 工程。

可以做什么
  • 创建和列出工程，读取工程摘要与完整时间线
  • 在单条视频轨上添加、裁剪、分割、移动片段，以及波纹删除片段
  • 应用亮度、音量、裁剪、淡入淡出等滤镜
  • 添加文字标题，并在相邻片段之间设置交叉淡化
  • 用 melt 将工程渲染为视频文件
适用场景
适合让助手在不打开图形界面的情况下，用已有视频素材拼出粗剪，并交回原生 Shotcut 工程以便手动继续编辑。也适合裁剪、加标题、交叉淡化和渲染等可重复的脚本化剪辑。
运行要求
以本地 Python 包形式通过 stdio 运行，需要 Python 3.11 及以上，可用 uvx 或 pip 启动。需要 MLT 的 melt 在 PATH 中或通过 MELT_BIN 指定，以及 FFmpeg 的 ffprobe 在 PATH 中或通过 FFPROBE_BIN 指定。SHOTCUT_MCP_WORKDIR 决定工程存放位置。渲染较慢，客户端可能需要调大超时。
安装前请注意
会在工作目录中写入 .mlt 工程和状态文件并渲染输出视频，请将 SHOTCUT_MCP_WORKDIR 指向可被修改的目录。在 Shotcut 图形界面中手动做的修改会被下一次工具调用覆盖，避免同一工程两边同时编辑。目前仅支持一条视频轨，转场样式仅实现溶解。

安装

在 SourceWeft 中

  1. 打开 控制台中的 Shotcut MCP，将其添加到工作区。
  2. 为需要使用其工具的对话启用该服务。

Desktop only，通过 STDIO。 STDIO 服务会启动本地进程，因此需要 SourceWeft 桌面宿主。

其他 MCP 客户端

参照 仓库 中的启动说明。

README

shotcut-mcp

MCP server that edits video through Shotcut's engine, MLT, with no GUI. An agent can create a project, add and trim clips, split, move and remove them, apply filters, add titles and crossfades, read the timeline back and render it with melt.

The output is a native Shotcut .mlt project, not a locked video file. Open the agent's cut in Shotcut and keep editing it by hand.

Requirements

  • Python 3.11+
  • MLT melt on PATH, or set MELT_BIN to its full path. Installing Shotcut includes melt.
    • Linux: sudo apt install melt
    • macOS: install Shotcut, then set MELT_BIN=/Applications/Shotcut.app/Contents/MacOS/melt
    • Windows: install Shotcut, then set MELT_BIN to melt.exe inside the Shotcut folder. Windows rendering is not yet covered by CI.
  • ffprobe (from FFmpeg) on PATH for reading clip durations and checking renders. Override with FFPROBE_BIN.

Install

Run it with no install step using uv:

bash
uvx shotcut-mcp

Or install it with pip:

bash
pip install shotcut-mcpshotcut-mcp

The server talks MCP over stdio.

Use it with goose

goose Desktop or CLI

  1. Run goose configure, choose Add Extension, then Command-line Extension.
  2. Name: shotcut
  3. Command: uvx shotcut-mcp
  4. Timeout: 600 seconds or more. Renders take longer than goose's default.
  5. Add the environment variables SHOTCUT_MCP_WORKDIR and, if melt is not on your PATH, MELT_BIN.

config.yaml

Add this to ~/.config/goose/config.yaml:

yaml
extensions:  shotcut:    enabled: true    type: stdio    name: shotcut    cmd: uvx    args:      - shotcut-mcp    envs:      SHOTCUT_MCP_WORKDIR: /path/to/your/projects    timeout: 600

Then ask goose something like: "Make a project called promo from clip1.mp4 and clip2.mp4, keep the first 5 seconds of each, crossfade them, add the title 'Launch day' and render it."

Use it with other MCP clients

Any MCP client that runs stdio servers works. For example, Claude Desktop's claude_desktop_config.json:

json
{  "mcpServers": {    "shotcut": {      "command": "uvx",      "args": ["shotcut-mcp"],      "env": { "SHOTCUT_MCP_WORKDIR": "/path/to/your/projects" }    }  }}

Configuration

VariableDefaultWhat it does
SHOTCUT_MCP_WORKDIR~/shotcut-mcp-projectsWhere .mlt projects and their state files are saved
MELT_BINmeltPath to the melt binary used for rendering
FFPROBE_BINffprobePath to ffprobe, used to read source durations

Tools

ToolWhat it does
create_projectCreate a new project with a frame size and frame rate
add_clipAppend a span of a source video to the end of the timeline. Returns the clip's id
trim_clipChange a clip's source in and out points
remove_clipRipple-delete one clip
move_clipMove a clip to a new position on the timeline
split_clipSplit a clip into two at a point inside it
remove_segmentRipple-delete a span of the timeline
append_text_overlayBurn a text title onto the timeline between two times
apply_filterApply brightness, volume, crop, fadeInBrightness, fadeOutBrightness, fadeInAudio or fadeOutAudio to a clip
set_transitionCrossfade video and audio between two adjacent clips
get_timelineReturn the whole edit: clips, source in and out, timeline positions, filters, transitions and titles
project_infoReturn summary metadata for a project
renderRender a project to a video file with melt
list_projectsList the projects in the work directory

Clip ids stay stable across calls. The edit state is kept in a .state.json file next to each .mlt, and the .mlt is regenerated from it after every change.

Current limits

  • One video track. Multitrack video and audio is planned.
  • Edits made by hand in the Shotcut GUI are overwritten by the next tool call. Safe round trips are planned.
  • The style option on set_transition is accepted but only a dissolve is rendered today.

Development

bash
pip install -e ".[dev]"pytest

The render tests are skipped when melt is not installed.

License

MIT

来源：README.md，提交 4f012fa

工具

0
SourceWeft 尚未在沙箱中启动过该软件包，因此其工具未知。

版本历史

1
  1. v0.2.1最新Oct 29, 2026

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