Install flexx CLI
Install the flexx CLI on macOS, Linux, or Windows. One command to download the binary and add it to your PATH. Supports Intel, Apple Silicon, and ARM64.
macOS & Linux
curl -fsSL https://cli.flexx.dev/install.sh | shThis installs the flexx binary to ~/.flexx/bin and adds it to your PATH.
Pinned version
FLEXX_VERSION=0.1.0 curl -fsSL https://cli.flexx.dev/install.sh | shWindows
irm https://cli.flexx.dev/install.ps1 | iexInstalls to %USERPROFILE%\.flexx\bin and adds it to your user PATH.
Verify installation
flexx versionManual download
Download binaries directly from https://cli.flexx.dev/latest/:
| Platform | Binary |
|---|---|
| Linux (x86_64) | flexx-linux-amd64 |
| Linux (ARM64) | flexx-linux-arm64 |
| macOS (Intel) | flexx-darwin-amd64 |
| macOS (Apple Silicon) | flexx-darwin-arm64 |
| Windows (x86_64) | flexx-windows-amd64.exe |
| Windows (ARM64) | flexx-windows-arm64.exe |
SHA256 checksums are available at https://cli.flexx.dev/latest/checksums.txt.
Update to latest version
flexx updateThis downloads the latest binary from cli.flexx.dev and replaces the current one in-place.
Next step
After installation:
flexx setup # authenticate + register (does not connect)
flexx connect # start the daemon, or: flexx service installSee the setup guide for details.
Introduction to flexx
flexx connects your dev machine to AI agents like Cursor, Claude, and ChatGPT via MCP (Model Context Protocol). One binary, zero inbound ports, works on macOS, Linux, and Windows.
Setup Guide — From Install to AI-Ready
Go from installing flexx to having AI agents access your machine in under two minutes. Authenticate and register with flexx setup, then connect with flexx connect or flexx service install.