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AivisSpeech

Integrates with AivisSpeech engine to provide Japanese text-to-speech synthesis with customizable vo...

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Updated Sep 22, 2025
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Integrates with AivisSpeech engine to provide Japanese text-to-speech synthesis with customizable voice parameters including speed, pitch, intonation, and volume for building voice-enabled applications.
  1. Download and Install the AivisSpeech Engine

    • Visit https://aivis-project.com/ and download the AivisSpeech Engine for your operating system.
    • Install the engine following the instructions on the website.
  2. Start the AivisSpeech Engine

    • Launch the AivisSpeech application on your local machine.
    • The engine should start serving on http://127.0.0.1:10101 by default.
  3. Verify the Engine is Running

    • Open a browser and navigate to http://127.0.0.1:10101/docs.
    • Ensure the AivisSpeech documentation page loads successfully (this confirms the engine is running).
  4. Fill in the ENV Value in FastMCP

    • In the FastMCP connection interface, use the “Install Now” button to add the required ENV value.
    • Set the following value for the environment variable:
      • AIVISSPEECH_URL: http://127.0.0.1:10101
  5. Complete the Setup

    • Continue with your FastMCP workflow. The MCP server will now connect to your locally running AivisSpeech engine using the ENV value you entered.
    • If you encounter any connection errors, confirm that the AivisSpeech application is running and not blocked by your firewall.

No authentication keys or additional tokens are required—only the engine URL as shown above.

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