Harness Components
Claude Code Plugins
100 curated plugins — installable bundles that package skills, subagents, commands, and hooks into a single extension for Claude Code and compatible harnesses.
Superpowers
pluginCore skills library for Claude Code: TDD, debugging, collaboration patterns, and proven techniques
Ecc
pluginHarness-native ECC workflows for Codex: shared skills, production-ready MCP configs, and selective-install-aligned conventions for TDD, security scanning, code review, and autonomous development.
Ui Ux Pro Max
pluginUI/UX design intelligence. 50 styles, 21 palettes, 50 font pairings, 20 charts, 9 stacks (React, Next.js, Vue, Svelte, SwiftUI, React Native, Flutter, Tailwind, shadcn/ui). Actions: plan, build, create, design, implement, review, fix, improve, optimize, enhance, refactor, check UI/UX code. Projects: website, landing page, dashboard, admin panel, e-commerce, SaaS, portfolio, blog, mobile app, .html, .tsx, .vue, .svelte. Elements: button, modal, navbar, sidebar, card, table, form, chart. Styles: glassmorphism, claymorphism, minimalism, brutalism, neumorphism, bento grid, dark mode, responsive, skeuomorphism, flat design. Topics: color palette, accessibility, animation, layout, typography, font pairing, spacing, hover, shadow, gradient. Integrations: shadcn/ui MCP for component search and examples.
Claude Mem
pluginPersistent memory system for Claude Code - seamlessly preserve context across sessions
Open Design
pluginLocal-first design app · 139 skills + 150 DESIGN.md systems · exposes projects/files/preview tools to your coding agent over stdio MCP. Requires the `od` daemon on PATH.
Ponytail
pluginLazy senior dev mode. Forces the simplest, shortest solution that actually works: YAGNI, stdlib first, no unrequested abstractions.
Connect Apps
pluginManage auth and connect to 500+ apps using Composio. Perform real actions from Claude Code - send emails, create issues, post messages, and more.
Career Ops
pluginAI job search command center — evaluate offers, generate CVs, scan portals, track applications
Antigravity Awesome Skills
pluginUniversal agentic skill library for Claude Code with 1,254+ reusable skills across coding, security, design, product, and operations workflows.
Obsidian
pluginCreate and edit Obsidian vault files including Markdown, Bases, and Canvas. Use when working with .md, .base, or .canvas files in an Obsidian vault.
Oh My Claudecode
pluginMulti-agent orchestration system for Claude Code
Academic Research Skills
pluginProduction-grade academic research pipeline for Claude Code: research → write → review → revise → finalize. 4 skills, 27 modes, 39-agent ensemble, v3.7.3 + v3.8 L3 claim-faithfulness gate, v3.9.0 cross-index triangulation, v3.10 triangulation policy layer, v3.11 deterministic citation verification gate (#182).
Asana
pluginAsana project management integration. Create and manage tasks, search projects, update assignments, track progress, and integrate your development workflow with Asana's work management platform.
Claude Code Setup
pluginAnalyze codebases and recommend tailored Claude Code automations such as hooks, skills, MCP servers, and subagents.
Claude Md Management
pluginTools to maintain and improve CLAUDE.md files - audit quality, capture session learnings, and keep project memory current.
Code Modernization
pluginModernize legacy codebases (COBOL, legacy Java/C++/.NET, monolith web apps) with a structured preflight / assess / map / extract-rules / brief / (reimagine | transform | uplift) / harden / status workflow. Cross-stack rewrites, greenfield reimagining, and same-stack version uplifts (e.g. .NET Framework → .NET 8); an interactive topology viewer; specialist agents; and optional dynamic-workflow orchestration with adversarial verification.
Code Review
pluginAutomated code review for pull requests using multiple specialized agents with confidence-based scoring
Code Simplifier
pluginAgent that simplifies and refines code for clarity, consistency, and maintainability while preserving functionality
Commit Commands
pluginStreamline your git workflow with simple commands for committing, pushing, and creating pull requests
Context7
pluginUpstash Context7 MCP server for up-to-date documentation lookup. Pull version-specific documentation and code examples directly from source repositories into your LLM context.
Cwc Makers
pluginSeamless onboarding for the Code-with-Claude Makers Cardputer: one /maker-setup command clones the build-with-claude repo, flashes UIFlow firmware, and installs the Claude Buddy app bundle onto a freshly-plugged-in M5Stack Cardputer-Adv.
Discord
pluginDiscord channel for Claude Code — messaging bridge with built-in access control. Manage pairing, allowlists, and policy via /discord:access.
Example Plugin
pluginA comprehensive example plugin demonstrating all Claude Code extension options including commands, agents, skills, hooks, and MCP servers
Explanatory Output Style
pluginAdds educational insights about implementation choices and codebase patterns (mimics the deprecated Explanatory output style)
Fakechat
pluginLocalhost iMessage-style web chat for Claude Code — test surface with file upload and edits. No tokens, no access control.
Feature Dev
pluginComprehensive feature development workflow with specialized agents for codebase exploration, architecture design, and quality review
Firebase
pluginGoogle Firebase MCP integration. Manage Firestore databases, authentication, cloud functions, hosting, and storage. Build and manage your Firebase backend directly from your development workflow.
Beads
pluginAI-supervised issue tracker for coding workflows. Manage tasks, discover work, and maintain context with simple CLI commands.
Planning With Files
pluginManus-style persistent markdown files for planning, progress tracking, and knowledge storage. Works with Claude Code, Kiro, Clawd CLI, Gemini CLI, Cursor, Continue, and 11+ AI coding assistants.
Cybersecurity Skills
plugin607+ cybersecurity skills covering web security, pentesting, DFIR, threat intelligence, cloud security, malware analysis, and more.
Pm Ai Shipping
pluginAI Shipping Kit — for PMs and founders accountable for AI-built code. Document a vibe-coded app, audit it for intended-vs-implemented security gaps and performance issues, and produce a reviewer-ready shipping packet.
Pm Data Analytics
pluginData analytics skills for PMs: SQL query generation and cohort analysis. Analyze user data, generate queries, and identify retention patterns.
Pm Execution
pluginExecution and product management skills: PRDs, OKRs, roadmaps, sprints, pre-mortems, stakeholder maps, user stories, prioritization frameworks, and more.
Pm Go To Market
pluginGo-to-market skills for PMs: GTM strategy, growth loops, GTM motions, beachhead segments, and ideal customer profiles.
Pm Market Research
pluginMarket research skills for PMs: user personas, market segmentation, sentiment analysis, and competitive analysis.
Pm Marketing Growth
pluginProduct marketing and growth skills: marketing ideas, value proposition statements, North Star metrics, product naming, and positioning.
Pm Product Discovery
pluginProduct discovery skills for PMs: ideation, experiments, assumption testing, feature prioritization, and customer interview synthesis.
Pm Product Strategy
pluginProduct strategy skills for PMs: vision, strategy canvas, value propositions, lean canvas, business model canvas, SWOT, PESTLE, Ansoff Matrix, Porter's Five Forces, and monetization.
Pm Toolkit
pluginPM utility skills: resume review, NDA drafting, privacy policy generation, and grammar/flow checking. Essential tools for product managers beyond core product work.
Context Mode
pluginMCP server that saves 98% of your context window with session continuity. Sandboxed code execution in 11 languages, FTS5 knowledge base with BM25 ranking, and automatic state restore across compactions.
Huggingface Skills
pluginAgent Skills for AI/ML tasks including dataset creation, model training, evaluation, and research paper publishing on Hugging Face Hub
Fullstack Dev Skills
pluginComprehensive skill pack with 66 specialized skills for full-stack developers: 12 language experts (Python, TypeScript, Go, Rust, C++, Swift, Kotlin, C#, PHP, Java, SQL, JavaScript), 10 backend frameworks, 6 frontend/mobile, plus infrastructure, DevOps, security, and testing. Features progressive disclosure architecture for 50% faster loading.
Visual Explainer Marketplace
pluginPlugin distribution for visual-explainer
Agentic Actions Auditor
pluginAudits GitHub Actions workflows for security vulnerabilities in AI agent integrations (Claude Code Action, Gemini CLI, OpenAI Codex, GitHub AI Inference)
Ask Questions If Underspecified
pluginClarify ambiguous requirements by asking questions before implementing. Only when invoked explicitly.
Audit Context Building
pluginBuild deep architectural context through ultra-granular code analysis before vulnerability hunting
Building Secure Contracts
pluginComprehensive smart contract security toolkit based on Trail of Bits' Building Secure Contracts framework. Includes vulnerability scanners for 6 blockchains and 5 development guideline assistants.
Burpsuite Project Parser
pluginSearch and extract data from Burp Suite project files (.burp) for security analysis
C Review
pluginComprehensive C/C++ security code review with specialized bug-finding agents covering memory safety, type safety, concurrency, and Linux/Windows userspace-specific issues
Claude In Chrome Troubleshooting
pluginDiagnose and fix Claude in Chrome MCP extension connectivity issues
Constant Time Analysis
pluginDetect compiler-induced timing side-channels in cryptographic code
Culture Index
pluginInterprets Culture Index survey results for individuals and teams
Devcontainer Setup
pluginCreate pre-configured devcontainers with Claude Code and language-specific tooling
Differential Review
pluginSecurity-focused differential review of code changes with git history analysis and blast radius estimation
Dimensional Analysis
pluginAnnotates codebases with dimensional analysis comments documenting units, dimensions, and decimal scaling. Use when someone asks to annotate units in a codebase, perform a dimensional analysis, or find vulnerabilities in a DeFi protocol. Prevents dimensional mismatches and catches formula bugs early.
Dwarf Expert
pluginInteract with and understand the DWARF debugging format
Entry Point Analyzer
pluginAnalyzes smart contract codebases to identify state-changing entry points for security auditing. Detects externally callable functions that modify state, categorizes them by access level, and generates structured audit reports.
Firebase Apk Scanner
pluginScan Android APKs for Firebase security misconfigurations including open databases, storage buckets, authentication issues, and exposed cloud functions. For authorized security research only.
Claude Code Setting
pluginManage Claude Code settings and MCP server configurations with best practices
Skill Creator
pluginCreate new skills, improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, update or optimize an existing skill, run evals to test a skill, or benchmark skill performance with variance analysis.
Vscode Extensions Toolkit
pluginComprehensive toolkit for configuring VSCode extensions including httpYac for API testing, Port Monitor for development server monitoring, and SFTP for static website deployment. Use when users need to configure VSCode extensions, set up API testing workflows, monitor development ports, or deploy static sites.
Claude Octopus
pluginMulti-LLM orchestration with Double Diamond workflows, provider routing, safety gates, and automation. Dispatches to Codex, Gemini, Copilot, Qwen, Perplexity, OpenRouter, Ollama, and OpenCode from a single plugin.
Octo
pluginMulti-tentacled orchestrator using Double Diamond methodology. v9.44.1. 32 expert personas, 49 commands, 54 skills. Commands '/octo:*'. Run /octo:setup for guided setup. Compatible with Claude Code and Factory AI Droid.
Dotnet Ai
pluginAI and ML skills for .NET: technology selection, LLM integration, agentic workflows, RAG pipelines, MCP, and classic ML with ML.NET.
Dotnet Data
pluginSkills for .NET data access and Entity Framework related tasks.
Dotnet
pluginCommon everyday C#/.NET coding skills. Expected to be useful to all .NET developers.
Arscontexta
pluginConversational derivation engine — generate agent-native memory architecture from natural conversation. 15 kernel primitives, 26 commands, 17 feature blocks, 3 presets.
Swiftui Expert
pluginExpert SwiftUI guidance for state management, view composition, performance, and iOS 26+ Liquid Glass adoption.
Playwright Skill
pluginClaude Code Skill for general-purpose browser automation with Playwright. Auto-detects dev servers, writes clean test scripts to /tmp, and autonomously handles any browser automation task.
Azure Sdk Dotnet
pluginAzure SDK patterns and best practices for .NET developers covering AI, resource management, identity, messaging, and Key Vault libraries.
Azure Sdk Java
pluginAzure SDK patterns and best practices for Java developers covering AI, communication, storage, identity, monitoring, and management libraries.
Azure Sdk Python
pluginAzure SDK patterns and best practices for Python developers covering AI, storage, identity, monitoring, messaging, and management libraries.
Azure Sdk Rust
pluginAzure SDK patterns and best practices for Rust developers covering identity, Key Vault, storage, Cosmos DB, and Event Hubs.
Azure Sdk Typescript
pluginAzure SDK patterns and best practices for TypeScript/Node.js developers covering AI, storage, identity, monitoring, and messaging libraries.
Azure
pluginMicrosoft Azure MCP and Skills integration for cloud resource management, deployments, and Azure services. Manage your Azure infrastructure, monitor applications, and deploy resources directly from Claude Code.
Deep Wiki
pluginAI-powered wiki generator for code repositories. Generates comprehensive, Mermaid-rich documentation with dark-mode VitePress sites, onboarding guides, deep research, and source citations. Inspired by OpenDeepWiki and deepwiki-open.
Microsoft 365 Agents Toolkit
pluginToolkit for building and evaluating Microsoft 365 Copilot declarative agents — scaffolding, JSON manifest development, capability configuration, and eval workflows.
Microsoft Foundry
pluginFoundry-platform fluency for any language. One orchestrator + 10 sub-skills covering hosted agents, intent-based toolboxes, multi-agent workflows, Foundry IQ knowledge bases, managed skills, long-term memory, observability and evaluations, and governance via the Foundry Control Plane. Bundles Azure MCP, Foundry MCP (mcp.ai.azure.com), and Microsoft Docs MCP for live operations and always-current docs.
Expo
pluginOfficial Expo skills for building, deploying, upgrading, and debugging Expo apps
Terraform Skill
pluginTerraform and OpenTofu best-practices skill for writing, reviewing, debugging, testing, CI, scans, and state operations.
Cloudflare
pluginSkills for the Cloudflare developer platform: Workers, Durable Objects, Agents SDK, MCP servers, Wrangler CLI, and web performance
Pg Aiguide
pluginPostgreSQL documentation and best practices through semantic search and curated skills, including TimescaleDB and Tiger Cloud ecosystem tools.
Design Ops
pluginStreamline design operations with critique frameworks, handoff specs, sprint planning, review processes, and team workflows.
Design Research
pluginUser research skills for designers: personas, empathy maps, journey maps, interview scripts, usability testing, and card sorting.
Design Systems
pluginBuild, document, and maintain scalable design systems — from tokens and components to accessibility and theming.
Stripe
pluginStripe plugin for Cursor to help with Stripe integrations including best practices, API/SDK upgrade guidance, and the Stripe MCP server.
Ai Devkit
pluginMake AI coding agents follow a repeatable engineering workflow with memory, verification, skills, and multi-agent setup
Token Optimizer
pluginAudit, fix, and monitor Claude Code context window usage. Find the ghost tokens.
Safety Net
pluginBlock destructive git and filesystem commands before execution
Claudeclaw
pluginCron-like daemon that runs Claude prompts on a schedule
Customaize Agent
pluginCommands and skills for writing and refining commands, hooks, skills for Claude Code, includes Anthropic Best Practices and Agent Persuasion Principles that can be useful for sub-agent workflows.
Ddd
pluginIntroduces command to update CLAUDE.md with best practices for domain-driven development, focused on quality of code, includes Clean Architecture, SOLID principles, and other design patterns.
Fpf
pluginFirst Principles Framework (FPF) for structured reasoning using workflow command pattern. Implements ADI (Abduction-Deduction-Induction) cycle via propose-hypotheses workflow with fpf-agent for hypothesis generation, logical verification, empirical validation, and auditable decision-making. Includes utility commands for status, query, decay, actualize, and reset.
Pm Accounting
pluginAccounting & bookkeeping skills for finance ops and small businesses: Invoice Generator, Expense Policy, Collections Email, Financial Statement Explainer, Bookkeeping Categorization, and Cash Flow Forecast. Practical money admin — drafting aids, not tax/accounting advice.
Pm Advanced
pluginAdvanced PM skills: AI Product Canvas, Multi-Source Signal Synthesiser, Experiment Designer, Design Handoff Brief. For senior PMs working on complex or AI-powered products.
Pm Agentops
pluginOperate AI agents and LLM features in production: prompt regression suites, model migration plans, context-engineering reviews, agent incident postmortems, and observability specs — plus the pm-ai evaluation and cost skills they build on.
Ck
pluginCavekit — compressed spec-driven dev. Full loop (grill → spec → research → review → build) over one SPEC.md file: three core commands + four reach-for. Caveman encoding. Bug-to-spec backprop.
Ai Engineer
pluginUse this agent when implementing AI/ML features, integrating language models, building recommendation systems, or adding intelligent automation to applications. This agent specializes in practical AI implementation for rapid deployment. Examples:\n\n<example>\nContext: Adding AI features to an app\nuser: "We need AI-powered content recommendations"\nassistant: "I'll implement a smart recommendation engine. Let me use the ai-engineer agent to build an ML pipeline that learns from user behavior."\n<commentary>\nRecommendation systems require careful ML implementation and continuous learning capabilities.\n</commentary>\n</example>\n\n<example>\nContext: Integrating language models\nuser: "Add an AI chatbot to help users navigate our app"\nassistant: "I'll integrate a conversational AI assistant. Let me use the ai-engineer agent to implement proper prompt engineering and response handling."\n<commentary>\nLLM integration requires expertise in prompt design, token management, and response streaming.\n</commentary>\n</example>\n\n<example>\nContext: Implementing computer vision features\nuser: "Users should be able to search products by taking a photo"\nassistant: "I'll implement visual search using computer vision. Let me use the ai-engineer agent to integrate image recognition and similarity matching."\n<commentary>\nComputer vision features require efficient processing and accurate model selection.\n</commentary>\n</example>
Ai Ethics Governance Specialist
pluginUse this agent when you need to implement AI ethics frameworks, governance policies, and responsible AI practices for B2B applications. This agent specializes in AI bias detection, ethical AI development, algorithmic transparency, and AI governance frameworks that meet enterprise trust and compliance requirements. Examples:
Analytics Reporter
pluginUse this agent when analyzing metrics, generating insights from data, creating performance reports, or making data-driven recommendations. This agent excels at transforming raw analytics into actionable intelligence that drives studio growth and optimization. Examples:\n\n<example>\nContext: Monthly performance review needed