Bilibili Subtitle Fetch MCP Server

@Initsnow

代码仓库

基本信息

分类

浏览器自动化

许可证

GPL-3.0

传输方式

stdio

作者

Initsnow

关于 Bilibili Subtitle Fetch MCP Server

MCP server for fetching Bilibili video subtitles with language and format options.

#mcp #bilibili #mcp-server

Bilibili Subtitle Fetch MCP Server 配置

使用下面的配置,将此服务器添加到你的 MCP 客户端。

{
  "mcpServers": {
    "bilibili-subtitle-fetch": {
      "command": "uvx",
      "args": [
        "bilibili-subtitle-fetch"
      ]
    }
  }
}

Bilibili Subtitle Fetch MCP Server 工具

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点击上方按钮,在临时沙箱中运行此服务器并实时获取工具列表。

概览

What is Bilibili Subtitle Fetch?

Bilibili Subtitle Fetch is an MCP server that retrieves subtitles from Bilibili videos. It supports multiple input formats (BV numbers, full video URLs, and short links), language selection, and output formatting. It is intended for developers and users who need programmatic access to Bilibili subtitles.

How to use Bilibili Subtitle Fetch?

Install the server with uv tool install --python 3.13 bilibili-subtitle-fetch. Run bilibili-subtitle-fetch init to configure your Bilibili cookie, then fetch subtitles with bilibili-subtitle-fetch fetch <BV or URL>. The fetched subtitle is printed to stdout and automatically copied to the clipboard.

Key features of Bilibili Subtitle Fetch

Accepts BV numbers, full video links, and short URLs.
Configurable preferred subtitle language.
Output formats: plain text or timestamped.
Automatic ASR (Whisper) fallback when no subtitle exists.
Automatic cookie refresh when credentials are provided.
Copied to clipboard after fetching.

Use cases of Bilibili Subtitle Fetch

Extract subtitles for language learning or translation.
Save subtitles for offline reading or analysis.
Integrate subtitle retrieval into AI or automation workflows.
Compare timestamped subtitles with video content.

常见问题

How do I configure Bilibili credentials?

Run `bilibili-subtitle-fetch init` and paste your Bilibili cookie. The configuration is saved to `~/.config/bilibili-subtitle-fetch/config.toml` (Linux/macOS) or `%APPDATA%\bilibili-subtitle-fetch\config.toml` (Windows).

What is the ASR fallback feature?

If a video has no built-in subtitles, the server can automatically download the audio and generate subtitles using OpenAI Whisper. This is enabled or disabled via the `[asr]` config section or the `--asr`/`--no-asr` flags.

What output formats are available?

Two formats: `text` (plain subtitle text) and `timestamped` (subtitle content with timestamps). The default can be overridden with `--output-format`.

Can I use a custom configuration file path?

Yes, use the `--config /path/to/config.toml` argument when running the server or CLI commands.

What dependencies does the server require?

Python 3.13, the `uv` tool, and optionally Whisper for ASR fallback. A valid Bilibili cookie is required for subtitle access.

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