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Bilibili Video Info MCP

Bilibili Video Info MCP

by masx200

MCP Server for Bilibili Video Info

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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"
      }
    }
  }
}
  1. 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"
    }
  }
}
  1. 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"
    }
  }
}

Related MCP server: Bilibili Comments 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"

Standard Bilibili video links are supported, such as:

Available Tools

3 tools
get_commentsA
Read-only

Get popular comments from a Bilibili video

Args:
    url: Bilibili video URL, e.g., https://www.bilibili.com/video/BV1x341177NN
    
Returns:
    List of popular comments including comment content, user information, and metadata such as like counts

Inputs: url (required).

get_danmakuA
Read-only

Get danmaku (bullet comments) from a Bilibili video

Args:
    url: Bilibili video URL, e.g., https://www.bilibili.com/video/BV1x341177NN
    
Returns:
    List of danmaku (bullet comments) with content, timestamp and user information

Inputs: url (required).

get_subtitlesA
Read-only

Get subtitles from a Bilibili video

Args:
    url: Bilibili video URL, e.g., https://www.bilibili.com/video/BV1x341177NN
    
Returns:
    List of subtitles grouped by language. Each entry contains subtitle content with timestamps.

Inputs: url (required).

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

Loading tool schema changelog…

    TDQS

    A3.7/5.0

    Scored across 3 tools

    Disambiguation5/5

    Each tool has a clearly distinct purpose targeting different aspects of video content: comments, danmaku (bullet comments), and subtitles. There is no overlap in functionality, and the descriptions make it easy to differentiate between these three types of video metadata.

    Naming Consistency5/5

    All tools follow a consistent 'get_noun' pattern (get_comments, get_danmaku, get_subtitles) using snake_case throughout. This predictable naming convention makes it easy for agents to understand what each tool does based on its name alone.

    Tool Count3/5

    With only 3 tools, the server feels somewhat thin for a video information domain. While the tools cover specific metadata types well, there are likely other relevant operations (like getting video details, statistics, or user info) that would make the surface more complete for typical video analysis workflows.

    Completeness2/5

    The toolset has significant gaps for a video information server. There's no way to get basic video metadata (title, description, duration, uploader), statistics (views, likes, shares), or user information. While the three tools provide specific content types, they don't cover the fundamental video information that would typically be needed first in most workflows.

    Maintenance

    ActivityInactive
    ResponsivenessNo recent community issues

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