Banger + Other agents & CLI: setup guide

Claude Code

Run this command in your terminal. Start Claude Code, open /mcp, select banger, and authenticate in the browser.

Open Other agents & CLI

acme-app — claude — 92×30

tiago@MacBook-Pro acme-app % claude mcp add --transport http --scope user banger https://api.bangermail.com/mcp

Added HTTP MCP server banger with URL: https://api.bangermail.com/mcp to user config

File modified: /Users/tiago/.claude.json

tiago@MacBook-Pro acme-app % claude

▐▛███▜▌

▝▜█████▛▘

▘▘ ▝▝

Claude Code v2.1.84

Opus 4.6 · Claude Max

~/acme-app

Banger MCP Server

Status: △ needs authentication

Auth: ✘ not authenticated

URL: https://api.bangermail.com/mcp

Config location: /Users/tiago/.claude.json

❯ 1. Authenticate

2. Disable

Esc to go back

Codex CLI

Add the server, then log in. Complete the Banger authorization page in your browser.

acme-app — -zsh — 92×26

tiago@MacBook-Pro acme-app % codex mcp add banger --url https://api.bangermail.com/mcp

Added global MCP server 'banger'.

Detected OAuth support. Starting OAuth flow…

Authorize `banger` by opening this URL in your browser:

https://api.bangermail.com/oauth/authorize?response_type=code&client_id=bgrc_4hTz0QxWm8cRb2LpVn6yKd1E&state=pN3vLq8XcR5tWm0YbZ2kHg&code_challenge=Ys7bQ2mVx9KdT4nLp1RcW8hFz0GaJ6uE3iNo5kSvBtM&code_challenge_method=S256&redirect_uri=http%3A%2F%2F127.0.0.1%3A54714%2Fcallback%2Fq7WcN2kVx9Ls&scope=mail%3Aread+mail%3Awrite+mail%3Asend+contacts%3Aread+contacts%3Awrite+campaigns%3Aread+campaigns%3Awrite+campaigns%3Asend+automation%3Aread+automation%3Aexecute+connections%3Aread+connections%3Ause+connections%3Aadmin+workspace%3Aadmin+offline_access&resource=https%3A%2F%2Fapi.bangermail.com%2Fmcp

Successfully logged in.

tiago@MacBook-Pro acme-app %

Cursor or another MCP client

Use your client’s remote MCP setup. Enter Banger’s endpoint, choose Streamable HTTP and OAuth, then sign in to your workspace. Follow your client’s own instructions for its configuration format.

Get your first welcome email

Open a new conversation with Banger enabled and ask for a welcome email for new customers. Your AI drafts it in your brand and shows you a preview before anything is sent.

>_ OpenAI Codex (v0.162.1)

~/acme-app

To get started, describe a task or try one of these commands:

/init - create an AGENTS.md file with instructions for Codex

/status - show current session configuration

/model - choose what model and reasoning effort to use

› Show my active Journeys in Banger.

• Called banger.banger_list_journeys({"status":"active"})

└ 3 active Journeys: Welcome new users, Help users get started, Bring users back

• You have 3 active Journeys.

- Welcome new users

- Help users get started

- Bring users back

Which one would you like to work on?

Worked for 4s

› Ask Codex to do anything

One connection. Your choice of agent.

Choose your client

Claude Code

Codex CLI

Cursor or another MCP client

Get your first welcome email

Try it

Message sent