Subagents for OpenAI Codex
Specialist subagents, agent workflow frameworks and paid agent services that plug into your coding app. Everything below works with OpenAI Codex; free GitHub projects and paid options are listed together.
Updated October 2026 Β· 43 listings Β· stars refreshed daily from GitHub
How to add subagents & agents to OpenAI Codex
Subagents are usually Markdown files with a name, description, tool list and system prompt. Copy the ones you need into your app's agents folder rather than installing a whole pack at once.
wshobson/agents π€ AgentFree
Large plugin marketplace of specialist subagents, skills and commands for Claude Code
Spec Kit π€ AgentFree
GitHub's toolkit for spec-driven development with AI coding agents
CodeRabbit π€ AgentFreemium
AI code reviews on every pull request, in the IDE and from the CLI
π₯ Free reviews forever on public (open-source) repositoriesOpen Code Review π€ AgentOpen source
Alibaba's AI code review CLI: deterministic pipeline plus LLM agent, line-level comments
Task Master π€ AgentFree
AI task management that turns a PRD into tasks your coding agent works through
Fast Agent π€ AgentOpen source
Python framework for building, orchestrating and evaluating MCP-native AI agents
Greptile π€ AgentFreemium
AI code reviewer that understands your whole codebase
π₯ 50% off for early-stage startupsOpenSpec π€ AgentFree
Lightweight spec-driven development: agree on changes before the agent codes
CC Safety Net π€ AgentOpen source
Pre-execution guard that blocks destructive commands and secret access for coding agents
BMAD Method π€ AgentFree
Agile AI-driven development with analyst, PM, architect, developer and UX agents
Brooks Lint π€ AgentOpen source
AI code review graded against twelve classic engineering books, with citations and health scores
Claude Squad π€ AgentFree
Manage multiple terminal agents in parallel in separate workspaces
cc-sdd π€ AgentOpen source
Spec-driven development harness with Agent Skills and long-running autonomous implementation
Graphite π€ AgentFreemium
Stacked pull requests with an AI reviewer built in
π₯ 20% off with annual billingRuflo (Claude Flow) π€ AgentFree
Agent orchestration platform for running swarms of Claude Code agents
MemSearch π€ AgentOpen source
Persistent cross-platform memory for coding agents, backed by Markdown and Milvus
Qodo π€ AgentPaid
AI code review and governance agents for teams
π₯ Free access for qualified open-source projectsOh My OpenAgent (OmO) π€ AgentFree
Multi-model agent orchestration for OpenCode and Codex: type ultrawork, agents run to done
Awesome Codex Subagents π€ AgentOpen source
175+ Codex-native .toml subagents across 13 development categories
great_cto π€ AgentFree
A 70-agent pipeline that runs Claude Code through staged, human-gated product development
Claude Octopus π€ AgentOpen source
Run multiple AI models against one task and surface disagreements before you ship
Maestro π€ AgentOpen source
Multi-agent orchestration with 39 specialists, phased workflows and persistent sessions
Claude Codex Bridge (CCB) π€ AgentFreemium
Multi-agent terminal UI that coordinates Claude, Codex, Gemini and other CLI agents in one workspace
Universal Modder π€ AgentFree
Skills and tools that let any coding agent mod almost any PC game you own
Babysitter π€ AgentOpen source
Code-defined agent workflows with quality gates, approval breakpoints and resumable journals
evo π€ AgentOpen source
Autoresearch loop that has coding agents run gated optimisation experiments on your codebase
Claude Codex Settings π€ AgentOpen source
Plugin marketplace of skills, hooks, agents and MCP configs for four coding agents
Claude Code Agent Monitor π€ AgentOpen source
Self-hosted real-time dashboard for Claude Code and Codex sessions, agents, tools and cost
Citadel π€ AgentOpen source
Routing, repo-local memory, guarded workflows and handoffs around Claude Code and Codex
Agent Swarm π€ AgentOpen source
Self-hosted operating system for delegating work across a lead agent and Docker worker agents
nWave π€ AgentOpen source
Seven-wave, human-gated workflow from idea to TDD-delivered code inside Claude Code
Hivemind π€ AgentFreemium
Shared, searchable session memory that turns agent traces into team skills
Oh My Subagents π€ AgentFree
Local orchestration for Claude and Codex subagent teams with durable, recoverable state
Claude Code Settings π€ AgentOpen source
Curated skills, subagents and multi-provider config templates for Claude Code
Autoprompt π€ AgentOpen source
Installs a plan, build and independent-review loop into your coding agent
Codeman π€ AgentOpen source
Self-hosted mission control to run and monitor terminal AI coding agents from any browser
Obelisk π€ AgentOpen source
Index past coding-agent sessions into local SQLite, queryable by your agent and browsable by you
Awesome Codex CLI π€ AgentFree
Curated list of tools, subagents, skills, plugins and MCP servers for OpenAI Codex CLI
Subtask π€ AgentOpen source
Claude Code skill and CLI to run tasks as subagents in parallel Git worktrees
Codex Team Mode π€ AgentFree
A Codex skill that splits complex tasks across Explorer, Executor, Reviewer and Advisor sub-agents
AI-Driven Development π€ AgentOpen source
Cross-agent skills for disciplined AI development, plus a Bash safety hook for Claude Code
pstack for Claude Code π€ AgentOpen source
Port of Cursor's pstack playbooks for verified bug fixes and features
Codex Astra Luna Orchestrator π€ AgentOpen source
Codex config where a stronger model orchestrates and a cheaper one executes, with an independent reviewer
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