MCP Server for Bilibili Video Info

A Bilibili MCP Server that can retrieve subtitles, danmaku (bullet comments), and comments information from videos using the video URL.

Usage

This MCP server supports three transport methods:

1. stdio

{
    "mcpServers": {
        "bilibili-video-info-mcp": {
            "command": "uvx",
            "args": [
                "bilibili-video-info-mcp"
            ],
            "env": {
                "SESSDATA": "your valid sessdata"
            }
        }
    }
}

2. sse (Server-Sent Events) run bilibili-video-info-mcp in sse mode

cp .env.example .env
uvx run --env .env bilibili-video-info-mcp sse

then config your mcp client

{
    "mcpServers": {
        "bilibili-video-info-mcp": {
            "url": "http://{your.ip.address}:$PORT$/sse"
        }
    }
}

3. streamable-http (HTTP Streaming) run bilibili-video-info-mcp in streamable-http mode

cp .env.example .env
uvx run --env .env bilibili-video-info-mcp streamable-http

then config your mcp client

{
    "mcpServers": {
        "bilibili-video-info-mcp": {
            "url": "http://{your.ip.address}:$PORT$/mcp"
            }
        }
    }
}

MCP Tools List

1. Get Video Subtitles

{
  "name": "get_subtitles",
  "arguments": {
    "url": "https://www.bilibili.com/video/BV1x341177NN"
  }
}

2. Get Video Danmaku (Bullet Comments)

{
  "name": "get_danmaku",
  "arguments": {
    "url": "https://www.bilibili.com/video/BV1x341177NN"
  }
}

3. Get Video Comments

{
  "name": "get_comments",
  "arguments": {
    "url": "https://www.bilibili.com/video/BV1x341177NN"
  }
}

FAQ

1. How to find SESSDATA?

1. Log in to the Bilibili website
2. Open browser developer tools (F12)
3. Go to Application/Storage -> Cookies
4. Find the value corresponding to SESSDATA

2. Error “SESSDATA environment variable is required”

Make sure you have set the environment variable:

export SESSDATA="your SESSDATA value"

3. What video link formats are supported?

Standard Bilibili video links are supported, such as:

• https://www.bilibili.com/video/BV1x341177NN
• https://b23.tv/xxxxx (short links)
• Any link containing a BV number