Extensions for Codex, Claude Code, Cursor, and other agent hosts
Ponytail gives Codex, Claude Code, OpenCode, and other coding agents a minimal-implementation ruleset, six companion Skills, and lifecycle hooks. It prioritizes existing code, standard libraries, and native platform features without removing security, validation, error handling, or accessibility safeguards.
OpenAI's official Codex plugin for Claude Code provides eight slash commands for read-only code review, adversarial review, task delegation, rescue work, background job management, and session transfer while reusing the local Codex CLI's authentication and configuration.
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.
A local plugin for Claude Code or Codex that assigns optional model providers to research, design, implementation, and review roles, then surfaces disagreement and consensus without dispatching external providers by default.
A Microsoft HVE-maintained GitHub Copilot workflow pack that combines agents, prompts, instructions, and skills for research, planning, implementation, review, and security checks.
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.
