@mind-fold/trellis

Trellis

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AI capabilities grow like ivy — full of vitality but climbing in all directions. Trellis provides the structure to guide them along a disciplined path.

Based on Anthropic's Effective Harnesses for Long-Running Agents, with engineering practices and improvements for real-world usage.

Installation

pnpm install -g @mind-fold/trellis
# or
npm install -g @mind-fold/trellis

Quick Start

# Initialize in your project
trellis init
# or use short alias
tl init

# Initialize with developer name
trellis init -u your-name

# Initialize for specific tools only
trellis init --cursor          # Cursor only
trellis init --claude          # Claude Code only
trellis init --cursor --claude # Both (default)

What It Does

Trellis creates a structured workflow system in your project:

your-project/
├── .trellis/
│   ├── .developer                 # Developer identity (gitignored)
│   ├── workflow.md                    # Workflow guide
│   ├── agent-traces/            # Session tracking
│   │   └── {developer}/           # Per-developer progress
│   │       ├── index.md           # Progress index
│   │       ├── features/          # Feature tracking
│   │       │   ├── {day}-{name}/  # Feature directory
│   │       │   │   └── feature.json
│   │       │   └── archive/       # Completed features
│   │       └── progress-N.md      # Session records
│   ├── structure/                 # Development guidelines
│   │   ├── frontend/              # Frontend standards
│   │   ├── backend/               # Backend standards
│   │   └── guides/                # Thinking guides
│   └── scripts/                   # Utility scripts
│       ├── common/                # Shared utilities
│       │   ├── paths.sh           # Path utilities
│       │   ├── developer.sh       # Developer management
│       │   └── git-context.sh     # Git context
│       ├── feature.sh             # Feature management
│       ├── add-session.sh         # Record sessions
│       ├── get-context.sh         # Get session context
│       ├── get-developer.sh       # Get developer name
│       └── init-developer.sh      # Initialize developer
├── .cursor/commands/              # Cursor slash commands
├── .claude/commands/              # Claude Code slash commands
├── init-agent.md                  # AI onboarding guide
└── AGENTS.md                      # Agent instructions

Key Features

1. Multi-Developer Support

Each developer (human or AI) gets their own progress tracking:

./.trellis/scripts/init-developer.sh <name>

2. Slash Commands

Pre-built commands for AI assistants:

Command	Purpose
/init-agent	Initialize AI session with context
/before-frontend-dev	Read frontend guidelines before coding
/before-backend-dev	Read backend guidelines before coding
/check-frontend	Validate frontend code against guidelines
/check-backend	Validate backend code against guidelines
/check-cross-layer	Verify cross-layer consistency
/finish-work	Pre-commit checklist
/record-agent-flow	Record session progress
/break-loop	Deep bug analysis
/onboard-developer	Full workflow onboarding

3. Thinking Guides

Structured guides to prevent common mistakes:

• Cross-layer thinking guide
• Code reuse thinking guide
• Pre-implementation checklist

4. Feature Tracking

Track features with directory-based structure:

./.trellis/scripts/feature.sh create my-feature  # Create feature
./.trellis/scripts/feature.sh list               # List active features
./.trellis/scripts/feature.sh archive my-feature # Archive completed

CLI Commands

trellis init              # Initialize workflow
trellis init -u <name>    # Initialize with developer name
trellis init -y           # Skip prompts, use defaults
trellis init -f           # Force overwrite existing files
trellis init -s           # Skip existing files

How It Works

• AI reads init-agent.md at session start
• Follows guidelines in .trellis/structure/
• Updates progress in .trellis/agent-traces/
• Uses slash commands for common tasks

This creates a structured, documented workflow where:

• AI agents maintain context across sessions
• Work is tracked and auditable
• Code quality standards are enforced
• Multiple agents can collaborate

Acknowledgments

Trellis is built upon ideas and inspirations from:

• Anthropic - For the foundational research on Effective Harnesses for Long-Running Agents
• OpenSkills - For pioneering the skills system that extends Claude's capabilities
• Exa - For the powerful web search and code context capabilities that significantly enhance AI agent performance

License

FSL-1.1-MIT (Functional Source License, MIT future license)

Copyright © Mindfold LLC