mcp-youtube

import { ReadResourceResult } from "@modelcontextprotocol/sdk/types.js"; import { ResourceTemplate } from "@modelcontextprotocol/sdk/server/mcp.js"; import { BaseResource } from "./base.js"; export class TranscriptResource extends BaseResource { uri = new ResourceTemplate("youtube://transcript/{videoId}", { list: undefined, }); name = "YouTube Transcript"; mimeType = "application/json"; description = "Get the transcript for a YouTube video. Use URI format: youtube://transcript/{videoId}"; protected async readImpl( uri: URL, variables?: unknown ): Promise<ReadResourceResult> { const { transcriptService } = this.container; const { videoId, language_code } = variables as { videoId: string; language_code?: string; }; if (!videoId) { throw new Error("Missing videoId in URI variables"); } // Default to 'en' if language_code is not provided or empty const lang = language_code || "en"; const result = await transcriptService.getTranscriptSegments( videoId, lang, "full_text" ); if (!result || !("transcript" in result)) { throw new Error( `Transcript not found for video ${videoId} in language ${lang}` ); } return { contents: [ { uri: uri.toString(), mimeType: this.mimeType, text: JSON.stringify(result, null, 2), }, ], }; } } export class TranscriptLocalizedResource extends TranscriptResource { override uri = new ResourceTemplate( "youtube://transcript/{videoId}/{language_code}", { list: undefined, } ); override name = "YouTube Transcript (Localized)"; override description = "Get the transcript for a YouTube video in a specific language. Use URI format: youtube://transcript/{videoId}/{language_code}"; }