How to Install Gasoline Agentic Devtools in 5 Minutes (Mac, Windows, Linux)

If this is your first time using Gasoline Agentic Devtools, this guide is the fastest way to get running.

No jargon. Just the steps.

Quick Terms

• CLI (Command Line Interface): A text-based way to run commands.
• MCP (Model Context Protocol): A standard that lets AI tools talk to external tools. https://modelcontextprotocol.io/specification/

What You Will Have at the End

• Gasoline installed
• Chrome extension loaded
• Your first successful health check

Step 1: Run the installer

Use one command based on your system.

macOS or Linux

curl -sSL https://raw.githubusercontent.com/brennhill/gasoline-agentic-browser-devtools-mcp/STABLE/scripts/install.sh | bash

Windows (PowerShell)

irm https://raw.githubusercontent.com/brennhill/gasoline-agentic-browser-devtools-mcp/STABLE/scripts/install.ps1 | iex

Step 2: Load the extension in Chrome

1. Open chrome://extensions/
2. Turn on Developer mode
3. Click Load unpacked
4. Select ~/GasolineAgenticDevtoolExtension

Step 3: Verify installation

Run:

~/.gasoline/bin/gasoline-agentic-browser --doctor

You want to see a healthy result, not missing dependency errors.

Step 4: Do a first real check

Open any webpage and try a simple call from your AI tool:

observe({what: "errors"})

If it returns data, you are live.

Common Fixes

• Installer command fails: retry with stable internet and no VPN/proxy blocking GitHub.
• Extension does not appear: reload extensions page and confirm Developer mode is on.
• Tool cannot connect: rerun --doctor and confirm local daemon is running.

Image and Diagram Callouts

[Image Idea] Installer command shown in terminal on macOS, Windows, and Linux.

[Image Idea] Chrome extension “Load unpacked” step.

[Diagram Idea] Install flow: install binary -> load extension -> run doctor -> first observe call.