Codex CLI

by OpenAITerminal toolCloud serversServers on your computerOpen source

OpenAI’s open-source coding agent for the terminal, which uses MCP servers.

Good fit for: Developers who use ChatGPT plans or OpenAI API keys.

Pros and cons

Each point is a fact from the maker’s own pages, with a link and the date we checked. No scores.

Open source under Apache-2.0. source checked Nov 10, 2026
Supports stdio and Streamable HTTP servers, with sign-in (OAuth) or a bearer token. source checked Nov 10, 2026
One MCP config is shared by the command line, desktop app and editor extension. source checked Nov 10, 2026

Settings live in a TOML file (~/.codex/config.toml). source checked Nov 10, 2026
The docs do not mention MCP resources or prompts. source checked Nov 10, 2026

Each server page shows the settings to copy. Where to paste them in this app is in the OpenAI docs.

Codex CLI can run servers on your computer and reach servers in the cloud.

Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

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