Agent Plugins

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

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

A library of specialist agent personas organized by role and task, with conversion and installation scripts for Codex and other coding agents.

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 Codex Marketplace video editing plugin maintained by Chengfeng. Six task-facing Skills orchestrate talking-head cuts, subtitles, visuals, export, safe bug reports, and trusted update checks through a managed runtime.

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.

A Timescale-maintained PostgreSQL agent extension combining local best-practice skills with hosted MCP documentation search for PostgreSQL, TimescaleDB, and PostGIS.

A pre-command hook that checks shell operations and blocks or warns about commands that could cause data loss.

Power Platform Skills is Microsoft's official agent plugin marketplace for Power Pages, Power Apps, Power Automate, and related development workflows in Claude Code and GitHub Copilot CLI.

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.