Shotcut MCP

io.github.NoBanks由 GitHub 帳號 NoBanks 發布v0.2.1更新於 Oct 29, 2026

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

已驗證STDIO僅桌面檔案與儲存媒體與設計

概覽

AI 產生的概覽

本機 MCP 伺服器，讓助理透過 Shotcut 的 MLT 引擎剪輯並轉出影片，產出可繼續編輯的 .mlt 專案。

可以做什麼
  • 建立與列出專案，讀取專案摘要與完整時間軸
  • 在單一視訊軌上加入、修剪、分割、移動片段，以及漣漪刪除片段
  • 套用亮度、音量、裁切、淡入淡出等濾鏡
  • 加入文字標題，並在相鄰片段之間設定交叉淡化
  • 用 melt 將專案轉出為影片檔
適用情境
適合讓助理不開圖形介面，用現有影片素材拼出初剪，並交回原生 Shotcut 專案以便手動繼續編輯。也適合修剪、加標題、交叉淡化與轉出等可重複的腳本化剪輯。
執行需求
以本機 Python 套件形式透過 stdio 執行，需要 Python 3.11 以上，可用 uvx 或 pip 啟動。需要 MLT 的 melt 在 PATH 中或透過 MELT_BIN 指定，以及 FFmpeg 的 ffprobe 在 PATH 中或透過 FFPROBE_BIN 指定。SHOTCUT_MCP_WORKDIR 決定專案存放位置。轉出較慢，用戶端可能需要調高逾時。
安裝前請注意
會在工作目錄寫入 .mlt 專案與狀態檔並轉出影片，請將 SHOTCUT_MCP_WORKDIR 指向可被修改的目錄。在 Shotcut 圖形介面手動做的修改會被下一次工具呼叫覆蓋，避免同一專案兩邊同時編輯。目前僅支援一條視訊軌，轉場樣式僅實作溶解。

安裝

在 SourceWeft 中

  1. 開啟 儀表板中的 Shotcut MCP，將其新增到工作區。
  2. 為需要使用其工具的對話啟用該服務。

Desktop only，透過 STDIO。 STDIO 服務會啟動本機處理程序，因此需要 SourceWeft 桌面主機。

其他 MCP 客戶端

參照 儲存庫 中的啟動說明。

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

來源：README.md，提交 4f012fa

工具

0
SourceWeft 尚未在沙箱中啟動過該軟體包，因此其工具未知。

版本歷史

1
  1. v0.2.1最新Oct 29, 2026

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