audio-mcp
A mock-first MCP server for audio generation that creates placeholder WAV files locally, enabling development and testing of audio workflows without APIs or costs.
README
audio-mcp
A mock-first Model Context Protocol server for audio generation. It creates deterministic placeholder WAV files locally, making it possible to develop and test an audio-tool workflow without credentials, network calls, or generation fees.
Tools
generate_music(prompt, duration_seconds=2.0)generate_sound_effect(prompt, duration_seconds=1.0)get_generation_status(generation_id)
Generation calls complete synchronously and return a generation ID plus a local asset containing its path, file URI, MIME type, format, and duration. Durations must be between 0.1 and 30 seconds.
Development
Python 3.10 or newer is required.
python -m venv .venv
. .venv/bin/activate
pip install -e '.[dev]'
pytest
The integration test launches the STDIO server, initializes an MCP client, lists the tools, calls every tool, and checks the generated WAV asset.
Run the server
The default transport is STDIO:
python -m audio_mcp.server
Generated files are written to .audio-mcp/. Override that location with
AUDIO_MCP_OUTPUT_DIR.
To register a development checkout with Codex CLI:
codex mcp add audio-dev -- python -m audio_mcp.server
codex mcp list
The server intentionally has no paid provider integration. A production provider can later implement the same asset response contract once the MCP workflow has been validated.
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