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

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

Tirith

sheeki03/tirith
Security & permissions★ 2.7k

A pre-execution security layer that checks suspicious URLs, pipe-to-shell commands, terminal injection, data exfiltration, and malicious agent configuration through shell hooks, host hooks, or an MCP gateway.

User-wideProjectOpenAI CodexClaude Code