server
Start/stop Kokoro TTS HTTP server. TRIGGERS - start tts server, kokoro server, tts http, stop tts server.
What this skill does
# Kokoro TTS Server
Manage the Kokoro TTS HTTP server — an OpenAI-compatible `/v1/audio/speech` endpoint on localhost:8779.
> **Self-Evolving Skill**: This skill improves through use. If instructions are wrong, parameters drifted, or a workaround was needed — fix this file immediately, don't defer. Only update for real, reproducible issues.
## Server Overview
The server provides:
- `GET /health` — Health status JSON
- `GET /v1/models` — List available models
- `POST /v1/audio/speech` — Synthesize text to audio (WAV, MP3, Opus, PCM)
## Quick Start
### Start (foreground, for testing)
```bash
~/.local/share/kokoro/.venv/bin/python ~/.local/share/kokoro/tts_server.py
```
### Start (launchd, for production)
Per the macOS launchd policy, the launchd plist must launch a compiled Swift binary (not a bash script). Guide the user through:
1. Compile Swift launcher binary
2. Create launchd plist at `~/Library/LaunchAgents/com.terryli.kokoro-tts-server.plist`
3. Bootstrap: `launchctl bootstrap gui/$(id -u) ~/Library/LaunchAgents/com.terryli.kokoro-tts-server.plist`
### Stop
```bash
launchctl bootout gui/$(id -u) ~/Library/LaunchAgents/com.terryli.kokoro-tts-server.plist
```
### Verify
```bash
curl -s http://127.0.0.1:8779/health | python3 -m json.tool
```
Expected: `{"status": "ok", "provider": "kokoro-tts-mlx", "model": "mlx-community/Kokoro-82M-bf16", "device": "mlx-metal"}`
## Environment Variables
| Variable | Default | Purpose |
| ---------------------- | ----------- | ---------------------- |
| `KOKORO_SERVER_PORT` | `8779` | Listen port |
| `KOKORO_SERVER_HOST` | `127.0.0.1` | Bind address |
| `KOKORO_DEFAULT_VOICE` | `af_heart` | Default voice |
| `KOKORO_DEFAULT_LANG` | `en-us` | Default language |
| `KOKORO_DEFAULT_SPEED` | `1.0` | Speech speed (0.1–5.0) |
| `KOKORO_PLAY_LOCAL` | `0` | Play via afplay |
## Troubleshooting
| Issue | Cause | Solution |
| ------------------- | ---------------------- | ------------------------------------------ |
| Port already in use | Another server running | `lsof -i :8779` to find, kill it |
| Model load fails | Not installed | Run `/kokoro-tts:install` first |
| Slow first request | Warmup synthesis | Normal — first request triggers model load |
## Post-Execution Reflection
After this skill completes, check before closing:
1. **Did the command succeed?** — If not, fix the instruction or error table that caused the failure.
2. **Did parameters or output change?** — If the underlying tool's interface drifted, update Usage examples and Parameters table to match.
3. **Was a workaround needed?** — If you had to improvise (different flags, extra steps), update this SKILL.md so the next invocation doesn't need the same workaround.
Only update if the issue is real and reproducible — not speculative.
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