Agent Plugins

Extensions for Codex, Claude Code, Cursor, and other agent hosts

Plugin

Superpowers

obra/superpowers
Development workflow★ 272.4k

A Skills-driven software development methodology covering discovery, planning, implementation, and verification.

ProjectUser-wideCodexClaude Code
Plugin

Everything Claude Code

affaan-m/ecc
Development workflow★ 240.9k

An engineering workflow pack combining agents, skills, hooks, commands, and rules for planning, implementation, testing, security, and continuous learning.

User-wideProjectClaude CodeCodex
Plugin

Awesome GitHub Copilot

github/awesome-copilot
Extensions & templates★ 38.3k

A GitHub-hosted community collection of installable Copilot plugins plus agents, skills, instructions, hooks, workflows, and copy-ready guidance.

MarketplaceWorkflow packGitHub Copilot CLIGitHub Copilot in VS Code
Plugin

Compound Engineering

everyinc/compound-engineering-plugin
Development workflow★ 24.7k

Every's open-source agent workflow plugin connects discovery, planning, implementation, debugging, review, delivery, and captured learnings through 33 skills, with native installation paths for Claude Code, Codex, Cursor, and other hosts.

ProjectUser-wideClaude CodeCodex App and Codex CLI
Plugin

Harness v2

revfactory/harness
Multi-agent orchestration★ 9.1k

A community Claude Code plugin that analyzes a project and generates specialized agents, skills, and orchestration rules across workflow, persistent-agent, and one-shot subagent modes.

ProjectMarketplaceClaude Code
Plugin

HVE Core

microsoft/hve-core
Development workflow★ 1.5k

A Microsoft HVE-maintained GitHub Copilot workflow pack that combines agents, prompts, instructions, and skills for research, planning, implementation, review, and security checks.

ProjectTeam sharedGitHub Copilot Chat in VS CodeGitHub Copilot CLI
Plugin

Flow-Next

gmickel/flow-next
Development workflow★ 698

A local workflow plugin that connects durable specs, isolated implementation, cross-model review, evidence receipts, pull requests, and landing across Claude Code, Codex, Cursor, Droid, Grok Build, and OpenCode.

ProjectUser-wideClaude CodeCodex