Outfitter Agents

Official Claude Code plugins for disciplined software development.

What's This?

This repository hosts the Outfitter Marketplace — a curated collection of Claude Code plugins providing development methodology, tooling, and workflow skills.

Installation

# Add the Outfitter marketplace
/plugin marketplace add outfitter-dev/agents

# Browse available plugins
/plugin

Available Plugins

outfitter

Core development methodology and Claude Code extensibility. Includes TDD, debugging, architecture, research, plus skills/plugins/agents/hooks authoring.

/plugin install outfitter@outfitter

35 skills including:

Test-driven development (Red-Green-Refactor)
Systematic debugging (root cause first)
Architecture design with tradeoff analysis
Technical research with citations
TypeScript, Bun, Hono, React patterns
Plugin, skill, agent, command, hook authoring
Claude Code and Codex configuration

10 agents: quartermaster, analyst, debugger, engineer, librarian, reviewer, scout, skeptic, specialist, tester

See outfitter/README.md

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but

GitButler virtual branch workflows for parallel development and multi-agent collaboration.

/plugin install but@outfitter

4 skills for:

Virtual branch management
Multi-agent concurrent development
Stacked branch workflows
Branch completion and merging

1 agent: gitbutler-expert

See but/README.md

---

gt

Graphite stacked PR workflows for trunk-based development.

/plugin install gt@outfitter

Skills for:

Stacked PR management
Trunk-based development with gt commands

See gt/README.md

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cli-dev

CLI development skills: argument parsing, help text, subcommands.

/plugin install cli-dev@outfitter

See cli-dev/README.md

Quick Start

For most projects, start with outfitter:

# Add marketplace and install foundation
/plugin marketplace add outfitter-dev/agents
/plugin install outfitter@outfitter

# Add GitButler if using virtual branches
/plugin install but@outfitter

# Add Graphite if using stacked PRs
/plugin install gt@outfitter

Repository Structure

agents/
├── .claude-plugin/
│   └── marketplace.json    # Plugin catalog
├── outfitter/              # Core methodology + extensibility (35 skills, 10 agents)
├── but/                    # GitButler workflows (4 skills, 1 agent)
├── gt/                     # Graphite workflows
├── cli-dev/                # CLI development
├── SECURITY.md             # Security model and review guidelines
└── README.md

Security & Capabilities

Plugins are code. Review what you install. See SECURITY.md for the full threat model.

| Plugin | Filesystem | Shell | Scripts | Notes | |--------|------------|-------|---------|-------| | outfitter | read/write | yes | yes | Includes scaffolding scripts | | but | read | yes | no | Runs but/git commands | | gt | read | yes | no | Runs gt/git commands | | cli-dev | read | no | no | Instructions-only |

Skills Reference

outfitter - Development Methodology

| Skill | Description | |-------|-------------| | tdd | Test-driven development with Red-Green-Refactor | | debugging | Systematic root cause investigation | | codebase-recon | Evidence-based investigation methodology | | architecture | System design with technology selection | | research | Multi-source technical research with citations | | pathfinding | Collaborative Q&A for unclear requirements | | simplify | Pushback against over-engineering | | codify | Extract reusable patterns from conversations | | code-review | Pre-commit quality gate checklist | | scenarios | End-to-end testing without mocks | | software-craft | Engineering judgment and decision principles | | typescript-dev | TypeScript patterns and strict typing | | bun-dev | Bun runtime APIs and patterns | | hono-dev | Type-safe Hono API development | | react-dev | React 18-19 TypeScript patterns | | performance | Profiling and optimization | | security | Security auditing and vulnerability detection |

outfitter - Claude Code Extensibility

| Skill | Description | |-------|-------------| | skills-dev | Agent Skills authoring (cross-platform spec + Claude extensions via references/claude-code.md) | | claude-plugins | Create, validate, and distribute Claude Code plugins | | claude-agents | Create and validate Claude Code agents | | claude-commands | Create Claude Code slash commands | | claude-hooks | Create Claude Code hooks | | claude-rules | Project rules in .claude/rules/ | | claude-config | Manage Claude Code/Desktop configuration | | codex-config | Manage Codex CLI configuration |

but - GitButler

| Skill | Description | |-------|-------------| | virtual-branches | Core GitButler workflow patterns | | multi-agent | Coordinate multiple AI agents | | stacks | Stacked branches with --anchor | | complete-branch | Safely merge virtual branches to main |

gt - Graphite

| Skill | Description | |-------|-------------| | stacks | Stacked PR workflows with gt commands |

Plugin Development

Want to build your own Claude Code plugin?

1. Install outfitter: Get the plugin authoring skills

   /plugin install outfitter@outfitter

2. Use the extensibility skills: claude-plugins, skills-dev, claude-agents, etc.

3. Submit a PR: Add your plugin to .claude-plugin/marketplace.json

See outfitter/README.md for detailed guidance.

License

MIT License - see LICENSE for details.

gt

Summary

Install to Claude Code