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Tag

Codex

25 projects tagged Codex, best ranked first. Some replace a paid product; others are free tools people use alongside one.

REA (Reverse Engineer Anything)

morluto/rea Healthy growth: Stars rising (+348,309 in 30 days) with 100+ people committing, active 8 of the last 12 weeks.
★ 348k active today

MCP server and CLI that lets AI coding agents inspect binaries, JavaScript/Electron apps, .NET assemblies and websites, with evidence.

Runs locally
Confirmed: Yes
Commercial use
Confirmed: Yes · MIT
Paid services
Partial: Optional only
Hardware
Unknown: Unknown
Setup
Confirmed: Easy
7 of 8 facts sourced · checked 6d ago GitHub ↗ View details

ECC

affaan-m/ECC Actively maintained: 100+ people committing, active 12 of the last 12 weeks.
★ 285k active today

Large plugin of agents, skills, hooks, rules and memory for Claude Code, with native Codex and Qoder plugins and partial adapters for other agents.

Runs locally
Confirmed: Yes
Commercial use
Confirmed: Yes · MIT
Paid services
No: Required
Hardware
Unknown: Unknown
Setup
Confirmed: Easy
7 of 8 facts sourced · checked 3d ago GitHub ↗ View details

FreeLLMAPI

tashfeenahmed/freellmapi Actively maintained: 100+ people committing, active 12 of the last 12 weeks.
★ 38k active today

Self-hosted router that pools free-tier LLM provider keys behind one OpenAI-compatible API, for developers and coding agents.

Runs locally
Confirmed: Yes
Commercial use
Confirmed: Yes · MIT
Paid services
Partial: Optional only
Hardware
Confirmed: CPU works
Setup
Confirmed: Easy
8 of 8 facts sourced · checked 3d ago GitHub ↗ View details

Superpowers

obra/superpowers
★ 303k active today

Skill library for coding agents that walks them through brainstorming, planning, test-driven development, subagent work and code review.

Runs locally
Confirmed: Yes
Commercial use
Confirmed: Yes · MIT
Paid services
No: Required
Hardware
Unknown: Unknown
Setup
Confirmed: Easy
6 of 8 facts sourced · checked 3d ago GitHub ↗ View details

Agent Skills (Addy Osmani)

addyosmani/agent-skills Actively maintained: 86 people committing, active 11 of the last 12 weeks.
★ 109k active 7d ago

Addy Osmani's pack of 25 engineering skills and slash commands that take a coding agent from spec and plan through tests, review and shipping.

Runs locally
Confirmed: Yes
Commercial use
Confirmed: Yes · MIT
Paid services
No: Required
Hardware
Unknown: Unknown
Setup
Confirmed: Easy
7 of 8 facts sourced · checked 2d ago GitHub ↗ View details

Skills For Real Engineers (Matt Pocock)

mattpocock/skills Actively maintained: 4 people committing, active 9 of the last 12 weeks.
★ 299k active 1d ago

Matt Pocock's small, composable agent skills for engineering work, such as grilling sessions, TDD, bug diagnosis, specs and code review.

Runs locally
Confirmed: Yes
Commercial use
Confirmed: Yes · MIT
Paid services
No: Required
Hardware
Unknown: Unknown
Setup
Confirmed: Easy
6 of 8 facts sourced · checked 3d ago GitHub ↗ View details

Impeccable

pbakaus/impeccable Actively maintained: 56 people committing, active 12 of the last 12 weeks.
★ 84k active today

Frontend design skill for AI coding agents with 24 commands, live browser iteration and a CLI that flags common AI-generated design mistakes.

Runs locally
Confirmed: Yes
Commercial use
Confirmed: Yes · Apache-2.0
Paid services
No: Required
Hardware
Unknown: Unknown
Setup
Confirmed: Easy
7 of 8 facts sourced · checked 3d ago GitHub ↗ View details

Ruflo

ruvnet/ruflo Actively maintained: 53 people committing, active 11 of the last 12 weeks.
★ 78k active today

Multi-agent harness and plugin set for Claude Code and Codex (formerly Claude Flow), adding agent swarms, memory and an MCP server.

Runs locally
Confirmed: Yes
Commercial use
Confirmed: Yes · MIT
Paid services
No: Required
Hardware
Unknown: Unknown
Setup
Confirmed: Easy
7 of 8 facts sourced · checked 3d ago GitHub ↗ View details

Diagram Design

cathrynlavery/diagram-design Actively maintained: 69 people committing, active 10 of the last 12 weeks.
★ 59k active 1d ago

Agent skill that has your coding agent draw 45 types of diagram as one self-contained HTML and SVG file, styled to match your brand.

Runs locally
Confirmed: Yes
Commercial use
Confirmed: Yes · MIT
Paid services
No: Required
Hardware
Unknown: Unknown
Setup
Confirmed: Easy
7 of 8 facts sourced · checked 3d ago GitHub ↗ View details

Scientific Agent Skills

K-Dense-AI/scientific-agent-skills Actively maintained: 57 people committing, active 11 of the last 12 weeks.
★ 53k active 1d ago

Pack of 177 science and research skills for AI coding agents, covering biology, chemistry, medicine, physics and data analysis.

Runs locally
Confirmed: Yes
Commercial use
Confirmed: Yes · MIT
Paid services
No: Required
Hardware
Unknown: Unknown
Setup
Confirmed: Easy
7 of 8 facts sourced · checked 3d ago GitHub ↗ View details

Open Code Review

alibaba/open-code-review Actively maintained: 100+ people committing, active 12 of the last 12 weeks.
★ 48k active today

Alibaba's AI code review CLI that combines deterministic pipelines with an LLM agent for line-level review comments, locally or in CI.

Runs locally
Confirmed: Yes
Commercial use
Confirmed: Yes · Apache-2.0
Paid services
Partial: Optional only
Hardware
Unknown: Unknown
Setup
Confirmed: Easy
7 of 8 facts sourced · checked 6d ago GitHub ↗ View details

Paperclip

paperclipai/paperclip Actively maintained: 100+ people committing, active 12 of the last 12 weeks.
★ 105k active today

Self-hosted Node.js server and web UI for running a team of AI coding agents (Claude Code, Codex, Cursor and others) with goals, tasks and budgets.

Runs locally
Confirmed: Yes
Commercial use
Confirmed: Yes · MIT
Paid services
No: Required
Hardware
Unknown: Unknown
Setup
Confirmed: Easy
6 of 8 facts sourced · checked 3d ago GitHub ↗ View details

Context Mode

mksglu/context-mode Actively maintained: 100+ people committing, active 12 of the last 12 weeks.
★ 31k active today

MCP server and plugin that keeps bulky tool output out of a coding agent's context and restores session state after compaction.

Runs locally
Confirmed: Yes
Commercial use
Partial: Conditions · Elastic-2.0
Paid services
No: Required
Hardware
Unknown: Unknown
Setup
Confirmed: Easy
7 of 8 facts sourced · checked 3d ago GitHub ↗ View details

CLI-Anything

HKUDS/CLI-Anything
★ 56k active 4w ago

Plugin and skill that generates command-line interfaces for existing desktop software so AI agents can operate it, plus a hub of ready-made CLIs.

Runs locally
Confirmed: Yes
Commercial use
Confirmed: Yes · Apache-2.0
Paid services
No: Required
Hardware
Unknown: Unknown
Setup
Confirmed: Easy
7 of 8 facts sourced · checked 3d ago GitHub ↗ View details

text-to-cad

earthtojake/text-to-cad Actively maintained: 27 people committing, active 12 of the last 12 weeks.
★ 22k active today

Plugin for AI coding agents that generates 3D CAD models (STEP, GLB, STL, 3MF), runs manufacturing checks and makes engineering drawings.

Runs locally
Confirmed: Yes
Commercial use
Confirmed: Yes · MIT
Paid services
No: Required
Hardware
Unknown: Unknown
Setup
Confirmed: Easy
7 of 8 facts sourced · checked 3d ago GitHub ↗ View details

OpenRig

mvschwarz/openrig
★ 8.0k active today

CLI for defining a team of Claude Code and Codex agents in YAML and starting them together in tmux on macOS or Linux.

Runs locally
Confirmed: Yes
Commercial use
Confirmed: Yes · Apache-2.0
Paid services
No: Required
Hardware
Unknown: Unknown
Setup
Confirmed: Easy
7 of 8 facts sourced · checked 3d ago GitHub ↗ View details

Pullfrog

pullfrog/pullfrog Actively maintained: 9 people committing, active 12 of the last 12 weeks.
★ 1.3k active today

Bring-your-own-key GitHub bot that runs Claude Code, Codex or OpenCode in your GitHub Actions to review PRs, fix CI and triage issues.

Runs locally
Partial: Partly
Commercial use
Partial: Conditions · MIT
Paid services
No: Required
Hardware
Confirmed: CPU works
Setup
Confirmed: Easy
8 of 8 facts sourced · checked 6d ago GitHub ↗ View details

Android skills

android/skills Actively maintained: 7 people committing, active 9 of the last 12 weeks.
★ 9.1k active today

Google's official Agent Skills for Android development, for coding agents such as Gemini, Claude Code and Codex.

Runs locally
Confirmed: Yes
Commercial use
Confirmed: Yes · Apache-2.0
Paid services
Partial: Optional only
Hardware
Unknown: Unknown
Setup
Confirmed: Easy
6 of 8 facts sourced · checked 3d ago GitHub ↗ View details

billion-context

ranxianglei/billion-context Healthy growth: Stars rising (+1,851 in 30 days) with 42 people committing, active 12 of the last 12 weeks.
★ 2.1k active today

Local proxy and plugin that compresses a coding agent's conversation history so long sessions fit in a small context window.

Runs locally
Confirmed: Yes
Commercial use
Partial: Conditions · Custom licence
Paid services
No: Required
Hardware
Unknown: Unknown
Setup
Confirmed: Easy
7 of 8 facts sourced · checked 3d ago GitHub ↗ View details

Newsjack

elvisun/newsjack
★ 1.6k active today

PR skills for AI agents that find news to react to, draft pitches and headlines, fact-check, and build media lists.

Runs locally
Confirmed: Yes
Commercial use
Confirmed: Yes · MIT
Paid services
No: Required
Hardware
Unknown: Unknown
Setup
Confirmed: Easy
7 of 8 facts sourced · checked 3d ago GitHub ↗ View details

Graphify

Graphify-Labs/graphify Actively maintained: 100+ people committing, active 12 of the last 12 weeks.
★ 130k active today

Turn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowledge graph. A /graphify skill for Claude Code, Cursor, Codex, and Gemin…

Runs locally
Unknown: Unknown
Commercial use
Unknown: Unknown
Paid services
Unknown: Unknown
Hardware
Unknown: Unknown
Setup
Unknown: Unknown
1 of 8 facts sourced · checked today GitHub ↗ View details

SwiftUI-Agent-Skill

twostraws/SwiftUI-Agent-Skill
★ 6.3k active 4d ago

SwiftUI agent skill for Claude Code, Codex, and other AI tools.

Runs locally
Unknown: Unknown
Commercial use
Unknown: Unknown
Paid services
Partial: Optional only
Hardware
Unknown: Unknown
Setup
Unknown: Unknown
3 of 8 facts sourced · checked 2d ago GitHub ↗ View details

Agents

wshobson/agents Actively maintained: 69 people committing, active 10 of the last 12 weeks.
★ 41k active 1d ago

Multi-harness agentic plugin marketplace for Claude Code, Codex, Cursor, OpenCode, GitHub Copilot, Google Antigravity, and Pi

Runs locally
Unknown: Unknown
Commercial use
Unknown: Unknown
Paid services
Unknown: Unknown
Hardware
Unknown: Unknown
Setup
Unknown: Unknown
1 of 8 facts sourced · checked today GitHub ↗ View details

Claudable

anymorph-ai/Claudable Quiet lately: No commits in the last 12 weeks.
★ 4.1k active 6mo ago

Local Next.js app builder that drives a coding-agent CLI you already use (Claude Code, Codex, Cursor, Qwen Code) to build web apps with a live preview.

Runs locally
Confirmed: Yes
Commercial use
Confirmed: Yes · MIT
Paid services
Partial: Optional only
Hardware
Unknown: Unknown
Setup
Confirmed: Medium
7 of 8 facts sourced · checked 6d ago GitHub ↗ View details

Hol-guard

hashgraph-online/hol-guard
★ 956 active today

Open-source antivirus for AI agents: block risky tools, secret access, prompt injection, malicious packages, MCP servers, plugins, and skills at runtime.

Runs locally
Unknown: Unknown
Commercial use
Unknown: Unknown
Paid services
Unknown: Unknown
Hardware
Unknown: Unknown
Setup
Unknown: Unknown
1 of 8 facts sourced · checked 1d ago GitHub ↗ View details

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