Codex vs Cursor for MCP servers

Codex and Cursor differ in 7 of 10 facts: publisher, kind, runs on, licence, connects to, server config, servers that work in it.

FactCodexCursor
PublisherOpenAIAnysphere
KindTerminal, Editor extension, Desktop appCode editor, Terminal, Web app
Runs onmacOS, Windows, LinuxmacOS, Windows, Linux, Web
PriceFree planFree plan
LicenceApache-2.0Not stated
Connects toLocal (stdio), Remote (HTTP)Local (stdio), Remote (HTTP), Remote (SSE)
Headers for remote serversYesYes
Server config~/.codex/config.toml~/.cursor/mcp.json
Servers that work in it119,253123,011
What we checkedMatches the official docsMatches the official docs
Add a serverIn CodexIn Cursor

From each client's own documentation and site, as linked on its page. The server counts are today's install configs that work in each.