System design and architectural decision-making agent from everything-claude-code — evaluates trade-offs, proposes patterns, and produces architecture decision records.
Feature implementation planning agent from everything-claude-code — breaks down requirements into ordered tasks with TDD anchors, dependency graph, and acceptance criteria.
planningtask-breakdowntdd
Agents
ECC Security Reviewer
Vulnerability analysis and secure coding enforcement agent from everything-claude-code — OWASP top 10 scans, dependency audits, and remediation recommendations.
securityvulnerabilityowasp
Agents
ECC Code Reviewer
Quality, security, and style code review agent from everything-claude-code — enforces team conventions, catches anti-patterns, and produces structured review comments.
code-reviewqualitystyle
Plugins
everything-claude-code
A comprehensive bundle of Claude Code optimizations: hooks, commands, CLAUDE.md configs, MCP setups, and workflow automations — everything you need in one repo.
bundlehookscommands
Harnesses
claude-flow
The #1 AI automation framework — 87.8% SWE-bench verified. An advanced multi-agent orchestration system for Claude Code with enterprise-grade agentic capabilities.
multi-agentorchestrationautomation
Skills
Marketing Skills
Corey Haines' collection of AI agent skills for marketing professionals — conversion rate optimization, copywriting, SEO, analytics, growth engineering, and pricing strategy, all as drop-in Claude Code skills.
marketingconversioncopywriting
Configs
Claude How-To Guide
Advanced examples and copy-paste templates covering subagent setups, hook pipelines, and custom commands.
guideexamplestutorials
Agents
wshobson Agents
wshobson's production-tested agent definitions covering ML engineering, data pipelines, infrastructure automation, and API integration tasks.
agentsmldata-pipelines
Skills
Awesome Agent Skills
VoltAgent's curated collection of Claude Code skills with a focus on agentic workflows — multi-step automations, research tasks, and complex code generation patterns.
agenticworkflowsmulti-step
Harnesses
Serena
Autonomous coding agent using language servers for precise code navigation — Serena reads LSP symbols and references so Claude edits exactly the right code without guessing.
autonomouslspcode-navigation
Harnesses
Claude Task Master
AI-powered task management harness — paste a PRD and Claude Task Master parses it into dependency-tracked tasks, assigns agents, and drives implementation end to end.
task-managementprddependency-tracking
Agents
Awesome Claude Code Subagents
VoltAgent's curated collection of Claude Code subagent definitions — specialized roles for QA, security, DevOps, architecture review, and code generation.
subagentsrolesqa
Plugins
ccusage
The premier local token usage, cost analyzer, and rolling 5-hour quota tracker for Claude Code and coding agents.
analyticscost-trackerquota
Harnesses
Claude Squad
Multi-agent tmux orchestrator — spawn N isolated Claude Code sessions in parallel, each in its own git worktree, then merge the best results back to main.
multi-agentparalleltmux
Configs
Agent Rules
steipete's opinionated CLAUDE.md rules for large codebases — enforces architecture boundaries, naming conventions, test requirements, and PR hygiene.
rulesarchitectureconventions
MCP Servers
Container Use (Dagger)
Official Dagger MCP server — give Claude isolated container environments per task. Each agent gets its own container with configurable tools, filesystem, and network access.
daggercontainersdocker
IDE Plugins
Crystal
Visual multi-agent Claude Code client by Stravu — run parallel Claude Code sessions side by side, compare outputs with a diff viewer, and merge the best parts.
multi-agentparalleldiff-viewer
Harnesses
Awesome Claude Code Toolkit
rohitg00's comprehensive toolkit of Claude Code resources — curated MCP servers, hooks patterns, agent templates, and deployment guides for production use.
toolkitcuratedmcp
Harnesses
Claude Swarm
Distributed Claude agent swarms — agents communicate via MCP, share tool access, and collaborate on complex tasks with configurable topology and role specialization.
swarmdistributedmulti-agent
Hooks
Multi-Agent Observability Hooks
Hooks for observing and debugging multi-agent Claude Code sessions — trace inter-agent messages, log tool calls, visualize agent graphs, and detect loops.
observabilitymulti-agenttracing
Agents
A List of Claude Code Agents
hesreallyhim's curated list of community-built Claude Code agent definitions — searchable by task type with links, descriptions, and quality ratings.
awesome-listagentscurated
Agents
Claude Command Suite
qdhenry's all-in-one agent + command collection — pre-built sub-agents paired with slash commands for a complete Claude Code workflow out of the box.
agentscommandsworkflow
MCP Servers
Claude Code MCP
Run Claude Code as an MCP server so other AI tools and agents can invoke it programmatically — expose Claude Code capabilities via the MCP protocol.