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oh-my-buddy

v1.0.0

Published

Pick any Claude Code companion you want. Bilingual Korean/English CLI.

Readme

Oh My Buddy

Pick any Claude Code companion you want.

English | 한국어

npm version license node

  ┌──────────────────────────────────┐
  │  Oh My Buddy                     │
  │  내 짝꿍은 내가 고른다           │
  └──────────────────────────────────┘

Don't like your default buddy? Pick your own. Species, rarity, eyes, hat — fully customizable, bilingual Korean/English UI.


Quick Start

npx oh-my-buddy@latest

Or install globally:

npm install -g oh-my-buddy
ombuddy

Demo

  기본 짝꿍                        새 짝꿍

       -[]-                           \vvv/
      [·  ·]          ──►           v\  /v
      [====]                       ( ✦~~✦ )
      ~~  ~~                        \    /
                                     )ww(
  robot ★★★ rare              dragon ★★★★★ legendary ✨

Usage

Interactive (recommended)

ombuddy                     # Full interactive mode

One-liner

ombuddy -s dragon -r legendary -e ✦ -t crown --shiny -y

Korean commands (한국어도 OK)

ombuddy --종족 dragon --등급 legendary --눈 ✦ --모자 crown --반짝이 --예

Commands

| Command | Korean | Description | |---------|--------|-------------| | ombuddy | — | Interactive buddy picker | | ombuddy current | ombuddy 현재 | Show current buddy | | ombuddy apply | ombuddy 적용 | Re-apply after Claude Code update | | ombuddy restore | ombuddy 복원 | Restore original buddy | | ombuddy rehatch | ombuddy 재부화 | Delete companion to re-hatch | | ombuddy help | ombuddy 도움말 | Show help |

Options

| Flag | Korean | Description | |------|--------|-------------| | -s, --species | --종족 | Species | | -r, --rarity | --등급 | Rarity level | | -e, --eye | --눈 | Eye style | | -t, --hat | --모자 | Hat type | | -n, --name | --이름 | Companion name | | -p, --personality | --성격 | Companion personality | | --shiny | --반짝이 | Shiny mode (~100x search) | | --peak | --최고 | Best stat | | --dump | --최저 | Worst stat | | -y, --yes | --예 | Skip confirmations | | --silent | --조용히 | Silent mode (for hooks) |

Species

| Species | Korean | Preview | |---------|--------|---------| | duck | 오리 | ~(·> | | goose | 거위 | ·>/ | | blob | 슬라임 | (··) | | cat | 고양이 | ·w· | | dragon | 용 | (·~~·) | | octopus | 문어 | (··)~ | | owl | 부엉이 | [·][·] | | penguin | 펭귄 | (·v·) | | turtle | 거북이 | (·_·) | | snail | 달팽이 | ·(@) | | ghost | 유령 | \|· ·\| | | axolotl | 아홀로틀 | >·.·< | | capybara | 카피바라 | (·oo·) | | cactus | 선인장 | \|· ·\| | | robot | 로봇 | [··] | | rabbit | 토끼 | (·..·) | | mushroom | 버섯 | \|· ·\| | | chonk | 뚱냥이 | (·.·) |

Rarity

| Level | Korean | Stars | Chance | |-------|--------|-------|--------| | Common | 일반 | ★ | 60% | | Uncommon | 고급 | ★★ | 25% | | Rare | 희귀 | ★★★ | 10% | | Epic | 영웅 | ★★★★ | 4% | | Legendary | 전설 | ★★★★★ | 1% |

Eyes & Hats

Eyes: · × @ °

Hats: crown, tophat, propeller, halo, wizard, beanie, tinyduck (uncommon+ only)

How It Works

Claude Code generates your buddy by hashing userId + salt with FNV-1a, then feeding it through a mulberry32 PRNG to pick species, rarity, eyes, and hat.

Oh My Buddy brute-forces a salt that produces your desired combination, then patches the Claude Code binary to use it.

  • Auto-detects existing patches (including any-buddy)
  • Creates backups before patching
  • Optional SessionStart hook for auto-reapply after updates

Migrating from any-buddy

ombuddy restore   # Restores original + removes any-buddy hooks
ombuddy           # Pick your new buddy

Oh My Buddy automatically detects and replaces any-buddy patches.

Platform Support

| Platform | Status | |----------|--------| | Windows | Tested | | macOS | Supported | | Linux | Supported |

Requirements

  • Node.js >= 18
  • Claude Code (npm global install)

Credits

Inspired by any-buddy by @cpaczek. Oh My Buddy was built on top of the reverse-engineering work done by any-buddy, with key fixes:

  • Hash algorithm fix: Claude Code runs under Node.js (not Bun), so it uses FNV-1a — not wyhash. This was the root cause of any-buddy applying wrong pets.
  • Bilingual UI: Full Korean/English dual-language support for commands, flags, and output.
  • Automatic migration: Detects and replaces existing any-buddy patches seamlessly.

License

MIT


한국어

내 Claude Code 짝꿍은 내가 고른다.

빠른 시작

# 설치 없이 바로 실행
npx oh-my-buddy@latest

# 또는 글로벌 설치
npm install -g oh-my-buddy
ombuddy

사용법

# 인터랙티브 모드 (추천)
ombuddy

# 한방 지정
ombuddy --종족 dragon --등급 legendary --눈 ✦ --모자 crown --반짝이 --예

# 영어도 OK
ombuddy -s dragon -r legendary -e ✦ -t crown --shiny -y

# 현재 짝꿍 확인
ombuddy 현재

# 원본으로 복원
ombuddy 복원

커맨드

| 커맨드 | 영어 | 설명 | |--------|------|------| | ombuddy | — | 인터랙티브 짝꿍 선택 | | ombuddy 현재 | current | 현재 짝꿍 확인 | | ombuddy 적용 | apply | 업데이트 후 재적용 | | ombuddy 복원 | restore | 원본으로 복원 | | ombuddy 재부화 | rehatch | companion 삭제 후 재부화 | | ombuddy 도움말 | help | 도움말 |

옵션

| 한국어 | 영어 | 설명 | |--------|------|------| | --종족 | -s, --species | 종족 선택 | | --등급 | -r, --rarity | 등급 선택 | | --눈 | -e, --eye | 눈 스타일 | | --모자 | -t, --hat | 모자 종류 | | --이름 | -n, --name | companion 이름 | | --성격 | -p, --personality | companion 성격 | | --반짝이 | --shiny | 반짝이 모드 | | --예 | -y, --yes | 확인 스킵 | | --조용히 | --silent | 출력 없이 (훅용) |

원리

Claude Code는 userId + salt를 FNV-1a로 해시 → mulberry32 PRNG로 종족/등급/눈/모자를 결정합니다.

Oh My Buddy는 원하는 조합이 나오는 salt를 브루트포스로 찾아 바이너리에 패치합니다.

any-buddy에서 이전

ombuddy 복원     # 원본 복원 + any-buddy 훅 제거
ombuddy          # 새로 선택

any-buddy 패치를 자동 감지하고 교체합니다.