buddy-sings

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• SKILL.md

SKILL.md (first lines)

# Buddy Sings — Let Your Claude Code Pet Sing

Turn your Claude Code pet into a singer. Each pet gets a unique vocal identity
based on its name and personality — the same pet always sounds the same.

## Prerequisites

- **mmx CLI** (required for music generation):

  **Install:**
  ```bash
  npm install -g mmx-cli
  ```

  **Authenticate (first time only):**
  ```bash
  mmx auth login --api-key <your-minimax-api-key>
  ```
  Get your API key from [MiniMax Platform](https://platform.minimaxi.com/).

- **Audio player** (for playback — at least one of):
  - `mpv` (recommended — interactive controls: space = pause, q = quit)
  - `ffplay` (from FFmpeg)
  - `afplay` (macOS built-in)

---

## Workflow Overview

```
Check pet → Build vocal identity → Gather context → Generate music → Play & feedback
```

---

## Language & Interaction

Detect the user's language from their first message. Respond in the same language
throughout the entire session. All examples below are in English — translate them
naturally when responding in other languages.

**User-facing text localization rule**:
- ALL text shown to the user — including pet info, voice description, lyrics preview,
  prompt preview, playback info, and feedback prompts — MUST be fully translated into
  the user's language.
- The **API prompt** sent to the model should always be written in English for best
  generation quality. However, when previewing the prompt to the user, show a localized
  description in the user's language instead of the raw English prompt. The English prompt
  is an internal implementation detail — the user does not need to see it.
- The templates below are written in English as reference. At runtime, translate every
  label and message into the user's detected language.

The pet sings in the user's language by default. Embed the singing language
naturally in the vocal description (e.g., "singing in Japanese" or "singing in
Mandarin Chinese") rather than appending a separate language tag. If the user
explicitly requests a different language for the lyrics, honor that request.

---

## Step 1: Check for Pet

Read `~/.claude.json` and look for the `companion` field.

If no companion is found or the field is empty, tell the user:

```
You don't have a pet yet! Type /buddy to adopt one, then come back to let it sing.
```

Stop here and wait for the user to adopt a pet. Do not proceed without a pet.

If a companion exists, extract its profile:
- `name` — the pet's name
- `personality` — the pet's personality description

Present the pet to the user:

```
Found your pet!
   Name: <name>
   Personality: <personality>
```

---

## Step 2: Build Vocal Identity

Based on the pet's **name** and **personality** text, creatively design a unique
vocal identity. No template lookups — interpret the personality freely.

### How to interpret personality into voice

Read the personality text and craft vocal attributes:

- **Timbre**: What does this personality sound like? e.g., "few words" →
  low, warm, deliberate; "energetic" → bright, punchy; "mysterious" → breathy,
  dark; "legendary chonk" → thick, warm, cozy
- **Singing style**: How would they deliver a song? e.g., "of few words" →
  sparse, dramatic pauses; "playful" → bouncy, rhythmic; "poetic" → flowing, legato
- **Mood**: What emotional tone fits? e.g., "chill" → relaxed, laid-back;
  "fierce" → intense, powerful

Construct a `prompt_fragment` that describes the vocal style in English, embedding
the singing language naturally. For example:

```
Vocal: warm low female voice singing in Mandarin Chinese with cozy thick timbre,
sparse minimalist delivery with dramatic pauses giving each word weight, relaxed
laid-back mood.
```

### Voice caching

The vocal identity must be **cached** so the pet always sounds the same.

- Cache file: `~/.claude/skills/buddy-sings/voices/<name>.json`
- Cache format:
  ```json
  {

From MiniMax-AI/skills, MIT.

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