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https://github.com/saadmsft/ghcp-plugins-unofficial

Unofficial GitHub Copilot (VS Code) port of anthropics/claude-plugins-official — 21 plugins as prompts, agents, and skills
https://github.com/saadmsft/ghcp-plugins-unofficial

ai-agents anthropic claude-code copilot-chat github-copilot plugins vscode

Last synced: 19 days ago
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Unofficial GitHub Copilot (VS Code) port of anthropics/claude-plugins-official — 21 plugins as prompts, agents, and skills

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README 

          







ghcp-plugins-unofficial







### _A constellation of Claude Code plugins, reborn for GitHub Copilot Chat in VS Code._



[![License: MIT](https://img.shields.io/badge/Tooling-MIT-22c55e?style=for-the-badge&logo=opensourceinitiative&logoColor=white)](LICENSE)

[![Content: Apache 2.0](https://img.shields.io/badge/Content-Apache_2.0-3b82f6?style=for-the-badge&logo=apache&logoColor=white)](https://www.apache.org/licenses/LICENSE-2.0)

[![Plugins](https://img.shields.io/badge/Plugins-21-f59e0b?style=for-the-badge&logo=githubcopilot&logoColor=white)](#-the-pantheon)

[![Artifacts](https://img.shields.io/badge/Artifacts-69-a855f7?style=for-the-badge)](#-the-pantheon)

[![VS Code](https://img.shields.io/badge/VS_Code-007ACC?style=for-the-badge&logo=visualstudiocode&logoColor=white)](https://code.visualstudio.com/)

[![Unofficial](https://img.shields.io/badge/Unofficial-fork-ef4444?style=for-the-badge)](https://github.com/anthropics/claude-plugins-official)





  One repo. One ./install.sh. Twenty-one specialist agents in your sidebar.


  Not affiliated with Anthropic or GitHub. Upstream content © Anthropic & contributors (Apache 2.0).




Quick Start

Plugins

Docs

Architecture






---



## 🌌 Why this exists



[Claude Code plugins](https://code.claude.com/docs/en/plugins) bundle **slash commands · sub-agents · skills · MCP servers · hooks** into a single installable package. GitHub Copilot Chat in VS Code has the same building blocks — **prompts, agents, skills, MCP** — but speaks a *different on-disk dialect* and YAML frontmatter. So a Claude plugin can't drop in verbatim.



This repo is the **Rosetta stone** between the two ecosystems:



```mermaid

flowchart LR

    A[📦 anthropics/
claude-plugins-official] -->|git clone --depth 1| B[🛰️ repo/
gitignored mirror]

    B -->|build-fork.py
deterministic port| C[✨ ghcp-plugins-unofficial/
plugins/]

    C -->|./install.sh| D[💻 VS Code
~/Library/.../prompts/]

    C -->|./install.sh| E[🧠 ~/.copilot/skills/]

    D --> F[(GitHub Copilot Chat
prompts · agents · skills)]

    E --> F

    style A fill:#1e293b,stroke:#f59e0b,color:#f1f5f9

    style C fill:#1e293b,stroke:#a855f7,color:#f1f5f9

    style F fill:#1e293b,stroke:#22c55e,color:#f1f5f9

```



> [!TIP]

> Install once, reload VS Code, and 21 specialist personas live in your `/` slash menu and `@` agent picker. Each is renamed `claude--…` so they never collide with your own customizations.



---



## ⚡ Quick start



```bash

git clone https://github.com/saadmsft/ghcp-plugins-unofficial.git

cd ghcp-plugins-unofficial



./install.sh --list                     # 👀 see the roster

./install.sh --dry-run code-review      # 🔍 preview a single install

./install.sh code-review feature-dev    # 🎯 install two

./install.sh                            # 🌊 install ALL 21

```



Then in VS Code:



| | |

|---|---|

| ⌨️ | ⌘+⇧+P → **Developer: Reload Window** |

| `/` | Type a slash in Copilot Chat — `/claude-…` prompts appear |

| `@` | Mention an agent — `@Claude: feature-dev — code-architect` |

| 🧠 | Ask anything — skills auto-trigger by description |



> [!NOTE]

> Need a step-by-step? → **[docs/INSTALL.md](docs/INSTALL.md)** has macOS / Linux / Windows recipes, verification commands, and an MCP-merge walkthrough.



---



## 🗺️ What lands where



```

┌─────────────────────────────────────────────────────────────────────────┐

│  plugins/
/prompts/*.prompt.md   →   ~/Library/.../Code/User/prompts/ │  →  /claude-
-

│  plugins/
/agents/*.agent.md     →   ~/Library/.../Code/User/prompts/ │  →  @Claude: 
 — 

│  plugins/
/skills//...        →   ~/.copilot/skills//           │  →  auto-trigger by description

│  plugins/
/mcp.json              →   ⛔ manual merge (your call)      │  →  MCP tools in Copilot

└─────────────────────────────────────────────────────────────────────────┘

```



🍎 macOS path shown. Linux/WSL substitutes `${XDG_CONFIG_HOME:-$HOME/.config}/Code/User/`. Windows is documented in **[docs/INSTALL.md](docs/INSTALL.md#windows)**.



---



## 🎭 The Pantheon



> **21 plugins · 26 prompts · 21 agents · 22 skills · 1 MCP placeholder**



Each row is one plugin — its emoji is its calling card, its **codename** is your shortcut to remembering what it does, and the counts show what landed in your VS Code profile after `./install.sh`.



| | Plugin | Codename | 💬 | 🤖 | 🧠 | 🔌 | Purpose |

|---|---|---|---:|---:|---:|:---:|---|

| 🛠️ | [`agent-sdk-dev`](plugins/agent-sdk-dev/) | **Hephaestus** | 1 | 2 | – | – | Verifies Anthropic Agent SDK apps (TS + Python) |

| 🚀 | [`claude-code-setup`](plugins/claude-code-setup/) | **Genesis** | – | – | 1 | – | Onboarding skill — Claude Code first principles |

| 📝 | [`claude-md-management`](plugins/claude-md-management/) | **Scribe** | 1 | – | 1 | – | Manage `CLAUDE.md` / `AGENTS.md` / `copilot-instructions.md` |

| 🏛️ | [`code-modernization`](plugins/code-modernization/) | **Argonauts** | 7 | 5 | – | – | Legacy → modern pipeline: analyst · test-engineer · architecture-critic · security-auditor · business-rules-extractor |

| 🔍 | [`code-review`](plugins/code-review/) | **The Tribunal** | 1 | – | – | – | Multi-agent PR review with confidence scoring |

| ✂️ | [`code-simplifier`](plugins/code-simplifier/) | **Occam** | – | 1 | – | – | Refactor for clarity — preserves behavior |

| 🌿 | [`commit-commands`](plugins/commit-commands/) | **Hermes** | 3 | – | – | – | Conventional commits, autocommit, PR helpers |

| 🛠️ | [`cwc-makers`](plugins/cwc-makers/) | **The Makers** | 1 | – | 2 | – | "Code with Claude" maker workflows |

| 🎒 | [`example-plugin`](plugins/example-plugin/) | **Hello-World** | 1 | – | 2 | ✓ | Reference plugin (MCP is placeholder) |

| 🌱 | [`feature-dev`](plugins/feature-dev/) | **The Trinity** | 1 | 3 | – | – | spec → code-explorer → code-architect → code-reviewer loop |

| 🎨 | [`frontend-design`](plugins/frontend-design/) | **Aesthete** | – | – | 1 | – | Design-system / UI conventions skill |

| 🪝 | [`hookify`](plugins/hookify/) | **The Watcher** | 4 | 1 | 1 | – | Conversation-analyzer + helpers _(hooks themselves not ported)_ |

| ➗ | [`math-olympiad`](plugins/math-olympiad/) | **Euclid** | – | – | 1 | – | Competition-math problem-solving |

| 🔌 | [`mcp-server-dev`](plugins/mcp-server-dev/) | **The Forge** | – | – | 3 | – | Build · test · host MCP servers |

| 🌉 | [`mcp-tunnels`](plugins/mcp-tunnels/) | **Iris** | 1 | – | – | – | Expose local MCP servers via tunnels |

| 🎪 | [`playground`](plugins/playground/) | **Sandbox** | – | – | 1 | – | Scratch / experimentation skill |

| 🧩 | [`plugin-dev`](plugins/plugin-dev/) | **Daedalus** | 1 | 3 | 7 | – | Author plugins: skill-reviewer · plugin-validator · agent-creator |

| 🦅 | [`pr-review-toolkit`](plugins/pr-review-toolkit/) | **The Six** | 1 | 6 | – | – | Six specialist reviewers: silent-failure-hunter · type-design-analyzer · comment-analyzer · pr-test-analyzer · code-reviewer · code-simplifier |

| 🔁 | [`ralph-loop`](plugins/ralph-loop/) | **Sisyphus** | 3 | – | – | – | "Run until done" iteration pattern |

| 📒 | [`session-report`](plugins/session-report/) | **Chronicle** | – | – | 1 | – | Generate session / standup reports |

| 🧪 | [`skill-creator`](plugins/skill-creator/) | **Athena** | – | – | 1 | – | Iteratively author + evaluate skills (485-line meta-skill) |



👻 Plugins intentionally NOT ported (and why) — click to expand



| Category | Count | Plugins | Why skipped |

|---|---:|---|---|

| **LSP wrappers** | 12 | `clangd-lsp`, `csharp-lsp`, `gopls-lsp`, `jdtls-lsp`, `kotlin-lsp`, `lua-lsp`, `php-lsp`, `pyright-lsp`, `ruby-lsp`, `rust-analyzer-lsp`, `swift-lsp`, `typescript-lsp` | VS Code already has first-class LSP integrations. The Claude-side plugin only exists to wire LSPs into Claude Code's edit-event loop. |

| **Hook / output-style only** | 3 | `explanatory-output-style`, `learning-output-style`, `security-guidance` | GHCP has no analog for Claude Code `hooks/` (shell scripts on `PostToolUse`, `UserPromptSubmit`) or output-style customization. |

| **Placeholders** | 1 | `example-plugin`'s `.mcp.json` → `https://mcp.example.com/api` | Staged but not auto-merged into your MCP config. |



Full reasoning: **[docs/MAPPING.md › what-cannot-be-ported](docs/MAPPING.md#what-cannot-be-ported)**



---



## 🧭 Repo layout



```

ghcp-plugins-unofficial/

│

├── 🚀  install.sh                  # the one button you came for

├── 🧹  uninstall.sh                # reverse it surgically

├── 🔄  sync-from-upstream.sh       # re-port from a fresh upstream clone

├── 🗂️  marketplace.json            # machine-readable index of all 21

│

├── 📦  plugins/                    # 21 ported plugins, one folder each

│   └── /

│       ├── plugin.json             # metadata + inventory

│       ├── prompts/                # *.prompt.md  ── slash commands

│       ├── agents/                 # *.agent.md   ── chat participants

│       ├── skills//          # SKILL.md + bundled resources

│       ├── mcp.json                # MCP server defs (if applicable)

│       ├── README.md               # per-plugin docs + install snippet

│       └── LICENSE                 # Apache 2.0, preserved from upstream

│

├── 📚  docs/

│   ├── GHCP-PRIMER.md              # 🆕 New to Copilot customization? Start here.

│   ├── MAPPING.md                  # 🔀 Claude → GHCP feature translation

│   ├── INSTALL.md                  # 💿 Detailed install / verify / per-OS

│   ├── TROUBLESHOOTING.md          # 🩺 Symptom → cause → fix

│   ├── ARCHITECTURE.md             # 🏛️ How build-fork.py works

│   └── PORTING.md                  # 🛠️ Add a plugin · customize porter

│

├── README.md                       # ← you are here

├── LICENSE                         # MIT for tooling

├── CHANGELOG.md

└── CONTRIBUTING.md

```



> [!IMPORTANT]

> The porter (`build-fork.py`) lives **one directory up** at `../build-fork.py` — the fork's working tree stays clean of build tooling. Architectural rationale: **[docs/ARCHITECTURE.md](docs/ARCHITECTURE.md)**.



---



## 🎛️ Install / uninstall reference



```bash

./install.sh                              # 🌊 install ALL plugins

./install.sh code-review                  # 🎯 install one

./install.sh code-review feature-dev      # 🎯 install several

./install.sh --list                       # 📜 print plugin names, one per line

./install.sh --dry-run                    # 👀 show what would be copied (no writes)

./install.sh --dry-run code-modernization # 👀 combine with selection

./install.sh -h                           # ❓ built-in help



./uninstall.sh                            # 🧹 remove ALL claude-* from your profile

./uninstall.sh hookify                    # 🧹 remove just one

```



> [!CAUTION]

> **Skills are removed-then-copied, not merged.** Any local edits inside `~/.copilot/skills/claude-…/` will be lost on re-install. Make changes in `plugins/
/skills/…` and re-run `./install.sh` instead.



> [!WARNING]

> **MCP servers are never auto-merged** into your user `mcp.json`. The porter stages them per-plugin so you can review and merge intentionally — see **[docs/INSTALL.md › MCP servers](docs/INSTALL.md#mcp-servers)**.



---



## 🔄 Staying in sync with upstream



```bash

./sync-from-upstream.sh    # 1️⃣ pulls latest anthropics/claude-plugins-official

                           # 2️⃣ regenerates plugins/ deterministically

                           # 3️⃣ leaves your tree dirty for review

git diff                   # 4️⃣ inspect what changed

git commit -am "sync: $(date -u +%Y-%m-%d)"

```



The porter is **byte-deterministic** — running it twice on the same upstream commit produces identical output. `git diff` is a clean signal of what changed upstream this cycle. Details: **[docs/PORTING.md › Syncing](docs/PORTING.md#syncing)**.



---



## 🏛️ Architecture



```mermaid

flowchart TB

    subgraph upstream["📦 anthropics/claude-plugins-official"]

      U1[plugin.json]

      U2[commands/*.md]

      U3[agents/*.md]

      U4[skills/<n>/SKILL.md]

      U5[.mcp.json]

    end



    subgraph porter["⚙️ build-fork.py · deterministic"]

      P1[parse_fm
regex YAML]

      P2[emit_prompt]

      P3[emit_agent]

      P4[emit_skill]

      P5[prefix all
claude-<plugin>-]

    end



    subgraph fork["✨ ghcp-plugins-unofficial/plugins/<P>/"]

      F1[plugin.json]

      F2[prompts/*.prompt.md]

      F3[agents/*.agent.md]

      F4[skills/<n>/SKILL.md]

      F5[mcp.json · staged]

    end



    U1 --> P1

    U2 --> P2 --> F2

    U3 --> P3 --> F3

    U4 --> P4 --> F4

    U5 -.staged.-> F5

    P1 --> F1

    P5 -.applied to all.-> fork



    style upstream fill:#0c4a6e,stroke:#38bdf8,color:#f0f9ff

    style porter fill:#3b0764,stroke:#a855f7,color:#faf5ff

    style fork fill:#14532d,stroke:#22c55e,color:#f0fdf4

```



**Seven invariants** the porter must preserve (full list in **[docs/ARCHITECTURE.md](docs/ARCHITECTURE.md)**):



1. 🔒 **Idempotent** — running twice on same input = identical output

2. 🪶 **Lossless naming** — every artifact prefixed `claude--`, never collides

3. 📜 **Apache-preserving** — per-plugin `LICENSE` always copied verbatim

4. ⚪ **No-PyYAML** — regex-only frontmatter parser, zero runtime dependencies

5. 🛡️ **No mutation of installed files** — `install.sh` only copies, never edits

6. 🚫 **No silent MCP merge** — user opts in manually for every server

7. 🎯 **Skippable explicitly** — LSP/hook-only plugins are filtered with reasons logged



---



## ⚠️ Caveats



> [!WARNING]

> 1. **🔧 Tool references don't translate.** Claude's `allowed-tools: Bash(gh pr view:*), Read, Grep` is stripped — GHCP's tool surface uses different names. Prompts that say "use a Haiku agent" or "spawn a sub-agent with the Task tool" become *guidance*, not literal sub-spawns. Prose-style prompts still work well.

> 2. **🪝 Hooks are dropped.** No GHCP analog for `hooks/` shell scripts.

> 3. **🎨 Output styles are dropped.** Same reason.

> 4. **🔌 MCP servers are staged, not auto-installed.** Manual merge gives you a chance to review.

> 5. **🧠 Skill triggers depend on description quality.** GHCP loads skills lazily by description match. A ported skill that never triggers usually needs description tuning — see **[TROUBLESHOOTING](docs/TROUBLESHOOTING.md#skill-never-auto-triggers)**.

> 6. **🏷️ The `claude-` prefix is hygiene, not branding.** It guarantees no collision and reliable uninstall — at the cost of mouthful slash-commands like `/claude-pr-review-toolkit-review-pr`. VS Code's incremental filter helps.



---



## 📚 More docs



| 📄 Doc | 🎯 When to read it |

|---|---|

| [`docs/GHCP-PRIMER.md`](docs/GHCP-PRIMER.md)         | New to GHCP customization? Start here. |

| [`docs/MAPPING.md`](docs/MAPPING.md)                 | "What exactly does the porter do to a command vs an agent vs a skill?" |

| [`docs/INSTALL.md`](docs/INSTALL.md)                 | Detailed install + verification + per-OS notes + MCP-merge guide |

| [`docs/TROUBLESHOOTING.md`](docs/TROUBLESHOOTING.md) | "I installed it but Copilot doesn't see it" |

| [`docs/ARCHITECTURE.md`](docs/ARCHITECTURE.md)       | How `build-fork.py` is structured + invariants |

| [`docs/PORTING.md`](docs/PORTING.md)                 | Add a new plugin · customize porter · contribute back |

| [`CONTRIBUTING.md`](CONTRIBUTING.md)                 | Workflow for PRs |

| [`CHANGELOG.md`](CHANGELOG.md)                       | What changed when |



---



## 💎 License & attribution



### 📦 Plugin content (`plugins/`)

**© Anthropic & contributors**

[Apache License 2.0](https://github.com/anthropics/claude-plugins-official/blob/main/LICENSE)

_Per-plugin `LICENSE` files preserved verbatim._



### 🛠️ Porting scripts · tooling · docs

**© 2026 Saad Mahmood**

[MIT License](LICENSE)

_The fork itself + `build-fork.py` + `install.sh`._



> [!NOTE]

> Issues with plugin **content** belong upstream at [anthropics/claude-plugins-official](https://github.com/anthropics/claude-plugins-official/issues).

> Issues with **porting** (plugin doesn't load, malformed YAML, install fails) belong [here](https://github.com/saadmsft/ghcp-plugins-unofficial/issues).



---






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If this saved you an afternoon, ⭐ the repo. If it broke your morning, [open an issue](https://github.com/saadmsft/ghcp-plugins-unofficial/issues/new).