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Average Ratings 0 Ratings

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ease
features
design
support

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Write a Review

Description

21st is a development platform designed to help engineers quickly build and deploy AI agents inside their applications. The platform provides a specialized SDK that simplifies the process of defining agent behavior, integrating tools, and connecting AI models. Developers can create agents using familiar technologies such as Next.js, React, TypeScript, Python, and Node.js, making integration straightforward for modern applications. Once an agent is defined, the platform allows it to be deployed with a single command while automatically handling infrastructure requirements. 21st provides sandboxed execution environments through E2B sessions, ensuring that agent operations run securely and independently. The platform includes a ready-to-use chat interface component that can be embedded directly into an app for user interaction. Additional features include token streaming, conversation history, tool execution, and built-in observability for debugging and monitoring. Developers can replay sessions and trace tool calls to better understand how agents behave during execution. The system also supports spend limits, authentication controls, and rate limiting to manage AI usage across users. By combining development tools with managed infrastructure, 21st helps teams launch scalable AI agents without building complex backend systems.

Description

oh-my-codex is an open-source productivity and workflow framework built to improve the day-to-day experience of using OpenAI Codex CLI. The project adds a structured layer around Codex that helps users clarify tasks, plan implementation work, manage durable goals, and coordinate execution. Instead of replacing Codex, OMX enhances it with reusable role keywords, skills, prompts, hooks, runtime state, and project-specific guidance. Its recommended workflow includes $deep-interview for clarifying scope, $ralplan for approving architecture and tradeoffs, and $ultragoal for turning approved plans into durable Codex goals. OMX can also support team-based execution, persistent completion loops, research workflows, and operator tools for monitoring and recovery. The system stores important artifacts such as plans, logs, memory, team state, and goal checkpoints inside .omx, helping users maintain continuity during larger projects. It is designed mainly for macOS and Linux environments with Codex CLI installed and authenticated. Advanced features include worktree launches, tmux-managed sessions, setup checks, doctor diagnostics, update handling, and skill-based workflows. oh-my-codex helps developers turn Codex from a basic agent interface into a more reliable, guided, and production-friendly development environment.

API Access

Has API

API Access

Has API

Screenshots View All

Screenshots View All

Integrations

Codex CLI
Model Context Protocol (MCP)
OpenAI Codex
React
Tailwind CSS
shadcn/ui

Integrations

Codex CLI
Model Context Protocol (MCP)
OpenAI Codex
React
Tailwind CSS
shadcn/ui

Pricing Details

Free
Free Trial
Free Version

Pricing Details

Free
Free Trial
Free Version

Deployment

Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook

Deployment

Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook

Customer Support

Business Hours
Live Rep (24/7)
Online Support

Customer Support

Business Hours
Live Rep (24/7)
Online Support

Types of Training

Training Docs
Webinars
Live Training (Online)
In Person

Types of Training

Training Docs
Webinars
Live Training (Online)
In Person

Vendor Details

Company Name

21st.dev

Website

21st.dev/

Vendor Details

Company Name

oh-my-codex (OMX)

Website

oh-my-codex.dev/

Product Features

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