What is cochlea?
cochlea is a MCP server by richer-richard that offline, deterministic audio engine: compose scores as data, render WAV or FLAC, report loudness, pitch, tempo and key, generate spectrograms and diff renders. It is listed under Media & design and has 15 GitHub stars.
| Type | Mcp server |
|---|---|
| Author | richer-richard |
| Repository | richer-richard/cochlea |
| Popularity | 15 GitHub stars |
| Category | Media & design |
| Security | Low risk (96/100) |
| Rank | #1,485 of 4,418 MCP servers; #92 in Media & design |
| License | Apache-2.0 |
| Last commit | 2026-09-19 |
| Runs | Locally |
| Language | Rust |
| Platforms | macOS, Windows, Linux |
Is cochlea safe to install?
cochlea scores 96/100 on the MCPMods security check: Low risk. No checks raised a concern. It passed 5 of 6 checks.
MCP server results come from listing signals: who publishes it, where your data goes and what it can do. The code itself is not scanned yet.
| Check | Result |
|---|---|
| Community-built server | Note |
| Runs on your machine only | Pass |
| No credentials mentioned | Pass |
| Read-only by description | Pass |
| No code execution | Pass |
| Source on GitHub | Pass |
How do I install cochlea?
- Find the launch command. The README says how the server starts (npx, uvx, docker or a remote URL) and which API keys it needs.
https://github.com/richer-richard/cochlea
- Add it to Claude Code. Replace the part after -- with the command from the README. Remote servers use --transport http with a URL.
claude mcp add cochlea -- <command from README> claude mcp add --transport http cochlea <server-url>
- Check it connected. This lists your MCP servers and their status.
claude mcp list
Or ask Claude to set it up
Paste this into Claude Code and it installs cochlea for you:
Add the "cochlea" MCP server from https://github.com/richer-richard/cochlea to Claude Code. Read its README for the launch command and any API keys I need, run claude mcp add, then check that it connects.