Kokoro Text to Speech MCP server that generates .mp3 files with option to upload to S3. Uses: https://huggingface.co/spaces/hexgrad/Kokoro-TTS Configuration * Clone to a local repo. * Download the Kokoro Onnx Weights for kokoro-v1.0.onnx and voices-v1.0.bin and store in the same repo. Add the following to your MCP configs. Update with your own values. Install ffmmeg This is needed to convert .wav to .mp3 files For mac: To run locally add these to your .env file. See env.example and copy to .env and modify with your own values. Supported Environment Variables - AWS_ACCESS_KEY_ID: Your AWS access key ID - AWS_SECRET_ACCESS_KEY: Your AWS secret access key - AWS_S3_BUCKET_NAME: S3 bucket name - AWS_S3_REGION: S3 region (e.g., us-east-1) - AWS_S3_FOLDER: Folder path within the S3 bucket - AWS_S3_ENDPOINT_URL: Optional custom endpoint URL for S3-compatible storage - MCP_HOST: Host to bind the server to (default: 0.0.0.0) - MCP_PORT: Port to listen on (default: 9876) - MCP_CLIENT_HOST: Hostname for client connections to the server (default: localhost) - DEBUG: Enable debug mode (set to "true" or "1") - S3_ENABLED: Enable S3 uploads (set to "true" or "1") - MP3_FOLDER: Path to store MP3 files (default is 'mp3' folder in script directory) - MP3_RETENTION_DAYS: Number of days to keep MP3 files before automatic deletion - DELETE_LOCAL_AFTER_S3_UPLOAD: Whether to delete local MP3 files after successful S3 upload (set to "true" or "1") - TTS_VOICE: Default voice for the TTS client (default: af_heart) - TTS_SPEED: Default speed for the TTS client (default: 1.0) - TTS_LANGUAGE: Default language for the TTS client (default: en-us) Running the Server Locally Preferred method use UV Using the TTS Client The mcp_client.py script allows you to send TTS requests to the server. It can be used as follows: Connection Settings When running the server and client on the same machine: - Server should bind to 0.0.0.0 (all interfaces) or 127.0.0.1 (localhost only) - Client should connect to localhost or 127.0.0.1 Basic Usage Reading Text from a File Customizing Voice and Speed Disabling S3 Upload Command-line Options MP3 File Management The TTS server generates MP3 files that are stored locally and optionally uploaded to S3. You can configure how these files are managed: Local Storage - Set MP3_FOLDER in your .env file to specify where MP3 files are stored