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바이브코딩 프로세스를 강제하는 MCP 서버 - PRD 없으면 코딩 없다

Project description

Clouvel

No spec, no code. PRD-First gate for AI coding.

PyPI Python License

Demo


The Problem

You ask AI to "build login" and it:

  • Skips password reset
  • Forgets social auth
  • Ignores error handling
  • Builds something different every time

Result: Hours of debugging "almost right" code.

The Solution

Clouvel blocks AI coding until you write a spec (PRD).

You: "Build login"
AI:  ❌ BLOCKED - No PRD found. Write a spec first.

You: *writes PRD with requirements*
AI:  ✅ PASS - PRD found. Coding allowed.

Same input → Same output. Every time.


Quick Start

# Install
pip install clouvel

# Add to Claude Code (auto-detects your platform)
clouvel install

# Start coding - can_code check runs automatically
claude

That's it. No config needed.


How It Works

  1. You ask AI to code something
  2. Clouvel checks for PRD (Product Requirements Document)
  3. No PRD? Blocked. Write the spec first.
  4. PRD exists? Allowed. AI codes with clear requirements.

Before & After

Without Clouvel With Clouvel
"Build login" → AI guesses "Build login" → AI reads PRD
Missing features All requirements included
Different results each time Consistent output
Debug for hours Works as specified

Features

Free (Open Source)

Feature Description
can_code PRD gate - blocks coding without specs
start Project onboarding with PRD templates (v1.9: --template, --guide, --init)
setup_cli Project setup with hooks (v1.9: --rules, --hook)
plan Detailed execution planning
save_prd Save PRD from conversation
Knowledge Base SQLite-based decision tracking + FTS5 search
Progress tracking Track what's done and what's next
8 project templates web-app, api, cli, chrome-ext, discord-bot, landing-page, saas, generic

Pro ($9.99/mo)

Feature Description
manager 8 C-Level managers review your code (PM, CTO, QA, CDO, CMO, CFO, CSO, Error)
quick_perspectives Fast pre-coding check with key questions
ship One-click lint → test → build → evidence generation
Error Learning Learn from mistakes, auto-generate NEVER/ALWAYS rules
Dynamic meetings AI-powered team discussions with Claude API

Get Pro →


Installation

Requirements

  • Python 3.10+
  • Claude Code, Claude Desktop, or VS Code with Claude extension

Install

pip install clouvel

Connect to Claude

Automatic (recommended):

clouvel install

Manual - Windows:

{
  "mcpServers": {
    "clouvel": {
      "command": "py",
      "args": ["-m", "clouvel.server"]
    }
  }
}

Manual - Mac/Linux:

{
  "mcpServers": {
    "clouvel": {
      "command": "python3",
      "args": ["-m", "clouvel.server"]
    }
  }
}

Usage Examples

Block coding without PRD

You: "Build a user authentication system"

Clouvel: ❌ BLOCKED
- PRD.md not found
- Architecture.md not found

💡 Write a PRD first. Use `start` to begin.

Start a new project

You: "Start a new project"

Clouvel: 🚀 Project detected: web-app

Questions:
1. What's the main goal?
2. Who are the users?
3. What are the core features?

→ Generates PRD from your answers

Get manager feedback (Pro)

You: "Review my login implementation"

👔 PM: User story covers happy path, but what about failed attempts?
🛠️ CTO: Consider rate limiting for brute force protection.
🧪 QA: Need tests for edge cases - empty password, SQL injection.
🔒 CSO: ⚠️ CRITICAL - Password hashing not implemented.

Status: NEEDS_REVISION

v1.9 Consolidated Tools

# Before: Multiple tools
get_prd_template(template="web-app")
get_prd_guide()
init_docs()

# After: Single tool with options
start --template=web-app    # Get template
start --guide               # Get PRD writing guide
start --init                # Initialize docs folder

# Before: Separate hook tools
init_rules(template="web")
hook_design(trigger="pre_code")
hook_verify(trigger="post_code")

# After: Single tool with options
setup_cli --rules=web              # Initialize rules
setup_cli --hook=design            # Create design hook
setup_cli --hook=verify            # Create verify hook

Documentation


Contributing

We welcome contributions! See CONTRIBUTING.md for guidelines.


Deprecation Notice (v1.9)

The following tools show deprecation warnings and will be removed in v2.0:

Deprecated Use Instead
scan_docs can_code
analyze_docs can_code
verify ship
gate ship
get_prd_template start --template
get_prd_guide start --guide
init_docs start --init
init_rules setup_cli --rules
hook_design setup_cli --hook=design
hook_verify setup_cli --hook=verify
handoff record_decision + update_progress

Changelog

See CHANGELOG.md for version history.


License

MIT License - see LICENSE for details.


Stop debugging AI code. Start with a spec.
WebsiteIssuesGet Pro

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