exia-scenario-generator MCP Server

Implementation Reference

• src/exia.ts:69-89 (handler)

  Implements the saveScenario method in ExiaManager class, which saves the given Scenario object as JSON to exia's scenarios directory (S_000.json).

  async saveScenario(scenario: Scenario): Promise<void> {
    if (!this.isSetup && !(await this.checkSetup())) {
      throw new Error("exia is not set up");
    }
  
    const scenarioPath = path.join(this.exiaPath, "renderer", "src", "scenarios", "S_000.json");
  
    try {
      // ディレクトリが存在するか確認
      const scenarioDir = path.dirname(scenarioPath);
      if (!fs.existsSync(scenarioDir)) {
        fs.mkdirSync(scenarioDir, { recursive: true });
      }
  
      fs.writeFileSync(scenarioPath, JSON.stringify(scenario, null, 2));
      console.error("Scenario saved to:", scenarioPath);
    } catch (error) {
      console.error("Error saving scenario:", error);
      throw new Error("Failed to save scenario");
    }
  }

• src/server.ts:87-118 (registration)

  Registers the MCP tool 'saveScenario' which takes a topic string input, generates a scenario using generateVoiceroidScenario and parseVoiceroidScenario, then calls exiaManager.saveScenario to save it, and returns success/error message.

  server.tool("saveScenario", { topic: z.string() }, async ({ topic }) => {
    try {
      // シナリオの生成
      const rawScenario = await generateVoiceroidScenario({ topic, minLength: 2000 });
  
      // シナリオのパースとexia形式への変換
      const scenario = parseVoiceroidScenario(rawScenario);
  
      // シナリオの保存
      await exiaManager.saveScenario(scenario);
  
      return {
        content: [
          {
            type: "text",
            text: `「${topic}」についてのシナリオを保存しました。`,
          },
        ],
      };
    } catch (error) {
      console.error("Error saving scenario:", error);
      return {
        content: [
          {
            type: "text",
            text: `シナリオの保存に失敗しました: ${error}`,
          },
        ],
        isError: true,
      };
    }
  });

• src/types.ts:30-36 (schema)

  TypeScript interface definition for 'Scenario' type, which is the input parameter for the saveScenario handler method. Defines the structure expected for the scenario JSON.

  export interface Scenario {
    id: string;
    backgroundFile: string;
    currentLineIndex: number;
    characters: Character[];
    lines: Line[];
  }