Claude Code tools, skills & plugins: top picks for 2026

An MCP server that lets AI agents reverse engineer native binaries, JavaScript/Electron apps, .NET assemblies, websites and more, with evidence for each finding.

A software development methodology and composable skills library that guides coding agents through brainstorming, planning, TDD, and subagent-driven implementation.

A collection of reusable agent skills for AI coding assistants like Claude Code and Codex, focused on alignment, design, TDD and disciplined engineering workflows.

A public collection of Agent Skills: instruction folders with scripts and resources that Claude loads to handle specialized tasks.

A large collection of role-based AI agent prompt files (engineering, design, marketing, security and more) that install into tools like Claude Code, Cursor and Gemini CLI.

A set of 25 production-grade engineering workflow skills that guide AI coding agents through spec, planning, build, test, review, and ship phases.

Agent Skills that make coding agents design distinctive frontends with art direction, real photos and in-browser visual checks instead of generic AI landing pages.

Open-source WiFi sensing platform that uses ESP32 CSI signals to detect presence, breathing, heart rate and motion without cameras.

Turns a codebase or LLM wiki into an interactive knowledge graph you can browse, search, and query from AI coding tools.

An agent skill that turns ideas, plans, or codebases into interactive HTML diagrams, working with Claude Code, Codex, Cursor, and OpenCode.

An agent harness for Claude Code and Codex that adds multi-agent swarms, shared memory, task routing and cross-machine federation.

An AI agent skill that searches Reddit, X, YouTube, Hacker News, Polymarket and the web for a topic from the last 30 days, then writes a grounded, source-cited brief.

A coding-assistant skill that makes Claude-style agents answer action-first, with numbered steps and no filler or preamble.

A collection of markdown AI agent skills that give Claude Code, Codex, Cursor and other agents marketing expertise in CRO, copywriting, SEO, analytics and growth.

A Claude Code-based framework that runs a personal job search on your machine: evaluate postings, tailor CVs, write cover letters, and prep interviews.

An AI agent skill pack that routes reverse engineering, pentest, and CTF tasks to the right methodology and toolchain.

A marketplace of plugins, agents, skills and commands for Claude Code, Codex CLI, Cursor, OpenCode, Copilot and other AI coding tools.

Multi-agent orchestration layer for Claude Code that coordinates specialized agents, team pipelines, and parallel execution from a terminal CLI or in-session skills.

A local model gateway that lets Claude Code, Codex, OpenCode and other coding agents share one endpoint and route requests across multiple model providers.

A local code knowledge graph that gives AI coding tools precise review context over MCP and a CLI.

An MCP server that gives coding agents IDE-level symbol search, semantic editing and refactoring over language servers or JetBrains IDEs.

A collection of file-based plugins that specialize Claude for knowledge-work roles like sales, legal, finance, and product management, built for Claude Cowork.

A collection of 69 product management skills and 42 chained workflows for Claude Code and Cowork, covering discovery through growth.

A Claude Code template that sets up 49 specialized AI agents, 74 slash-command skills and coordination hooks to run a game project like a studio.

An agent skill and stdlib Python service that strips AI provenance marks and C2PA metadata from text and files you own.

A mobile, web and CLI front end for running Claude Code and Codex sessions from your phone, with end-to-end encrypted sync between devices.

Desktop, mobile, web and CLI app for running and orchestrating multiple coding agents such as Claude Code, Codex and OpenCode in parallel worktrees.

An open-source SEO analysis plugin for Claude Code that runs parallel sub-skills and agents for audits, schema, GEO, and more.

Rebuilds the object in a reference image as a code-only, procedural Three.js model that runs in the browser, with animation-ready hierarchy.

A browser for AI agents where agents run automation in isolated Spaces while you keep browsing your own tabs and logins.

Local proxy that lets OpenAI Codex and Claude Code run on any LLM provider, including Claude, Gemini, Grok, DeepSeek, and Ollama.

An agent skill that turns the project you just built into a short, shareable launch video with music, motion, and share copy.

Official AI agent skills that teach coding assistants how to use the GSAP animation library correctly.

A Claude Agent Skill that builds interactive isometric SVG, WebGL and 3D illustrations of machines to explain technical ideas.

A macOS menu bar app and local gateway that lets Claude Code, Codex, Gemini CLI and other agents use any model or subscription you have.

A Claude skill that rewrites rough requests into precise, tool-specific prompts for AI tools like Cursor, Midjourney and ChatGPT.

A structured, reusable prompt design framework for LLMs, with a template of Role, Goal, Skills, Rules and Workflow sections.

An AI agent skill that removes 20+ common AI-generated writing patterns from text while keeping the author's own voice.

A Claude Code and Codex agent skill that builds cinematic product promo videos in Remotion from your own screenshots and copy.

A Claude Code skill that audits websites for visibility in AI search engines like ChatGPT, Perplexity, and Google AI Overviews, alongside traditional SEO checks.

Long-term memory for AI coding agents that lets a session continue across agent CLIs such as Claude Code, Codex and Cursor, backed by a git-tracked markdown wiki.

A collection of 45+ practical tips for using Claude Code, plus a status line script and the dx plugin of everyday dev skills.

An agent skill that generates a scroll-scrubbed 3D landing page where the camera flies through a connected, AI-generated isometric world.

Free, open-source AI Office suite that edits real .docx, .xlsx, .pptx and PDF files locally, with an AI agent and a genoffice CLI.

Source control for coding agents: links each commit to the agent session that produced it and shares memory across Claude Code, Codex and other agents.

A local browser-based review surface that lets you annotate agent plans, markdown, HTML and code diffs, then send feedback back to coding agents.

Self-hosted AI research assistant that runs deep, multi-step research with local or cloud LLMs and searches the web, academic databases and your own documents.

A collection of Agent Skills and plugins that let coding agents work with Google Stitch design projects via the Stitch MCP server.

A set of skills, CLI tools and an MCP server that let AI coding agents scan, reverse-engineer and mod PC games you own, with fal-generated assets.

Open-source CLI and TUI for defining, booting and managing persistent teams of Claude Code and Codex agents in tmux.

A curated library of offensive security SKILL.md files that give Claude methodology for specific attack surfaces, from SQL injection to EDR evasion.

A local-first harness and workspace that turns coding agents like Claude Code and Codex into research agents for literature review, experiments, and artifacts.

An MCP server that connects Claude Code to your locally running TradingView Desktop app for AI-assisted chart analysis and Pine Script work.

A Claude Code skill (also for OpenCode and OpenAI Codex) that runs autonomous modify-verify-keep/discard loops toward a measurable goal.

A desktop app for managing, syncing and backing up AI agent skills across Claude Code, Codex, Cursor, Copilot, Gemini CLI and dozens of other coding tools.

An agent skill that teaches AI coding assistants like Claude Code and Codex to write more modern, accessible, and performant SwiftUI code.

A reference example of a Claude Code project setup, showing CLAUDE.md, hooks, skills, agents, slash commands, MCP servers and GitHub Actions workflows.

A macOS notch companion (with Windows, Linux and iPhone/Android companions) that monitors AI coding agent sessions and lets you approve permissions from the notch.

Unofficial Linux packaging of Claude Desktop as .rpm, AppImage and Nix flake, plus a launcher and --doctor diagnostics for Linux quirks.

Structured, verifiable AI-DLC software-delivery workflows that run as steering rules inside AI coding assistants like Claude Code, Kiro, Codex, and Cursor.