openai.com · Coding Agents
OpenAI's coding agent available as an open source CLI, IDE extension and cloud agent that runs tasks in parallel.
OpenAI Codex is one of 11 coding agent tools on Drydock. See all coding agent tools or how we check facts.
// guides
What is agentic coding? An AI agent that reads your code, edits files, runs tests and repeats until the task is done. How it works, the tools, and how to start.
The best GitHub Copilot alternative for Visual Studio in 2026: Antigravity, JetBrains Junie, Claude Code, your own model key, Tabnine and CodeRush, checked Oct 27.
Impeccable, Hallmark, Taste Skill and Anthropic's frontend design skill compared: what each one does, how to install it, and which to pick for your agent.
What is MCP? The Model Context Protocol explained: hosts, clients, servers, tools, resources, the stateless 2026 spec, security risks and a tested first run.
How the Cloudflare security audit skill works, how to install it for Claude Code or Codex, what its six phases produce, and the sandbox rules it needs.
Is Gemini CLI free for Pro users? No. Google AI Pro access ended June 18, 2026. Here's what Pro and Ultra get in Antigravity CLI and what Gemini CLI costs now.
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Claude Codeclaude.comAnthropic's agentic coding tool that works in your terminal and IDE to edit files, run commands and ship changes.Coding AgentsPaid★ 153.6k
Zedzed.devHigh performance code editor written in Rust with built in collaboration and an agent panel.Coding AgentsOpen source★ 92.3k
OpenCodeopencode.aiMIT licensed, model agnostic coding agent with a terminal UI, desktop app and web client that share one local background service; supports MCP, skills and plugins.Coding AgentsOpen source★ 222.5k
Cursorcursor.comAI code editor with fast autocomplete, codebase aware chat and background agents.Coding AgentsFreemiumHN 34
Gemini CLIgithub.comGoogle's open source terminal agent that brings Gemini models to the command line with MCP support.Coding AgentsOpen source★ 108.6k
Clinecline.botOpen source autonomous coding agent for VS Code that plans, edits files and runs commands with your approval.Coding AgentsOpen source★ 71k