Twitch MCP Server

Instructions

Implementation Reference

• src/tools/handlers/channel.ts:4-28 (handler)

  The handler function that implements the core logic of the get_channel_info tool, fetching user and channel information from Twitch API.

  export async function handleGetChannelInfo(apiClient: ApiClient, args: { channelName: string }) {
    const user = await getUserByName(apiClient, args.channelName);
    const channel = await apiClient.channels.getChannelInfoById(user.id);
  
    const response: any = {
      id: user.id,
      name: user.name,
      displayName: user.displayName,
      description: user.description,
      profilePictureUrl: user.profilePictureUrl,
      creationDate: user.creationDate,
    };
  
    if (channel) {
      response.channel = {
        name: channel.name,
        game: channel.gameName,
        title: channel.title,
        language: channel.language,
        tags: channel.tags,
      };
    }
  
    return formatResponse(response);
  }

• src/tools/definitions.ts:4-17 (schema)

  The input schema and metadata definition for the get_channel_info tool.

  {
    name: 'get_channel_info',
    description: 'チャンネル情報を取得します',
    inputSchema: {
      type: 'object',
      properties: {
        channelName: {
          type: 'string',
          description: 'Twitchチャンネル名',
        },
      },
      required: ['channelName'],
    },
  },

• src/index.ts:86-89 (registration)

  Registration and dispatch of the get_channel_info tool handler in the MCP server's CallToolRequestSchema handler.

  case 'get_channel_info':
    return await handleGetChannelInfo(this.apiClient, {
      channelName: args.channelName as string
    });

• src/index.ts:15-15 (registration)

  Import of the get_channel_info handler function.

  import { handleGetChannelInfo, handleGetChatSettings } from './tools/handlers/channel.js';