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Banjo MCP Server

API key required

Self-hosted AI assistant that places real phone calls for you: bookings, reservations, errands.

To add Banjo to Claude, run the install command below. Restart Claude Code after adding it and its tools show up in your next conversation. It needs 10 environment variables, listed below.

AIDevTools

Install

docker run -i --rm ghcr.io/shatch/banjo:0.1.17

Environment variables

DATABASE_URLSet in your MCP config
MCP_API_KEYSet in your MCP config
ASSISTANT_PRINCIPAL_NAMESet in your MCP config
PUBLIC_HOSTNAMESet in your MCP config
VOICE_AI_PROVIDERSet in your MCP config
OPENAI_API_KEYSet in your MCP config
TWILIO_ACCOUNT_SIDSet in your MCP config
TWILIO_AUTH_TOKENSet in your MCP config
TWILIO_PHONE_NUMBERSet in your MCP config
NOTIFICATION_CHANNELSet in your MCP config

What this does

Banjo exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.

Requirements

This server needs the following environment variables to be set before it can run:

DATABASE_URL
MCP_API_KEY
ASSISTANT_PRINCIPAL_NAME
PUBLIC_HOSTNAME
VOICE_AI_PROVIDER
OPENAI_API_KEY
TWILIO_ACCOUNT_SID
TWILIO_AUTH_TOKEN
TWILIO_PHONE_NUMBER
NOTIFICATION_CHANNEL

Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).

Frequently asked questions

How do I install Banjo?

The install section on this page carries the maker's install command for Banjo, as submitted. Restart your client afterwards and the tools appear in your next conversation.

Which clients work with Banjo?

This page carries setup and config for Claude Code. Any other MCP client that accepts a standard server config can connect to Banjo as well.

Does Banjo need an API key?

Yes. Before it can run, set these environment variables: DATABASE_URL, MCP_API_KEY, ASSISTANT_PRINCIPAL_NAME, PUBLIC_HOSTNAME, VOICE_AI_PROVIDER, OPENAI_API_KEY, TWILIO_ACCOUNT_SID, TWILIO_AUTH_TOKEN, TWILIO_PHONE_NUMBER, NOTIFICATION_CHANNEL. They go in the env block of your MCP config.

Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.

Is this your MCP server?

Claim this listing to see its traffic, fix details yourself, and skip the review queue on future updates.

Listed on clauderules.net

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