Banjo

io.github.shatch/banjo · v0.1.23

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

Website Source code Set it up

Connect Runs on your machine

Terminal

claude mcp add banjo -e DATABASE_URL=<DATABASE_URL> -e MCP_API_KEY=<MCP_API_KEY> -e ASSISTANT_PRINCIPAL_NAME=<ASSISTANT_PRINCIPAL_NAME> -e PUBLIC_HOSTNAME=<PUBLIC_HOSTNAME> -e VOICE_AI_PROVIDER=<VOICE_AI_PROVIDER> -e OPENAI_API_KEY=<OPENAI_API_KEY> -e TWILIO_ACCOUNT_SID=<TWILIO_ACCOUNT_SID> -e TWILIO_AUTH_TOKEN=<TWILIO_AUTH_TOKEN> -e TWILIO_PHONE_NUMBER=<TWILIO_PHONE_NUMBER> -e NOTIFICATION_CHANNEL=<NOTIFICATION_CHANNEL> -- docker run -i --rm ghcr.io/shatch/banjo:0.1.23

claude_desktop_config.json

{
  "mcpServers": {
    "banjo": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/shatch/banjo:0.1.23"
      ],
      "env": {
        "DATABASE_URL": "<DATABASE_URL>",
        "MCP_API_KEY": "<MCP_API_KEY>",
        "ASSISTANT_PRINCIPAL_NAME": "<ASSISTANT_PRINCIPAL_NAME>",
        "PUBLIC_HOSTNAME": "<PUBLIC_HOSTNAME>",
        "VOICE_AI_PROVIDER": "<VOICE_AI_PROVIDER>",
        "OPENAI_API_KEY": "<OPENAI_API_KEY>",
        "TWILIO_ACCOUNT_SID": "<TWILIO_ACCOUNT_SID>",
        "TWILIO_AUTH_TOKEN": "<TWILIO_AUTH_TOKEN>",
        "TWILIO_PHONE_NUMBER": "<TWILIO_PHONE_NUMBER>",
        "NOTIFICATION_CHANNEL": "<NOTIFICATION_CHANNEL>"
      }
    }
  }
}

~/.cursor/mcp.json

{
  "mcpServers": {
    "banjo": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/shatch/banjo:0.1.23"
      ],
      "env": {
        "DATABASE_URL": "<DATABASE_URL>",
        "MCP_API_KEY": "<MCP_API_KEY>",
        "ASSISTANT_PRINCIPAL_NAME": "<ASSISTANT_PRINCIPAL_NAME>",
        "PUBLIC_HOSTNAME": "<PUBLIC_HOSTNAME>",
        "VOICE_AI_PROVIDER": "<VOICE_AI_PROVIDER>",
        "OPENAI_API_KEY": "<OPENAI_API_KEY>",
        "TWILIO_ACCOUNT_SID": "<TWILIO_ACCOUNT_SID>",
        "TWILIO_AUTH_TOKEN": "<TWILIO_AUTH_TOKEN>",
        "TWILIO_PHONE_NUMBER": "<TWILIO_PHONE_NUMBER>",
        "NOTIFICATION_CHANNEL": "<NOTIFICATION_CHANNEL>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "banjo": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/shatch/banjo:0.1.23"
      ],
      "env": {
        "DATABASE_URL": "<DATABASE_URL>",
        "MCP_API_KEY": "<MCP_API_KEY>",
        "ASSISTANT_PRINCIPAL_NAME": "<ASSISTANT_PRINCIPAL_NAME>",
        "PUBLIC_HOSTNAME": "<PUBLIC_HOSTNAME>",
        "VOICE_AI_PROVIDER": "<VOICE_AI_PROVIDER>",
        "OPENAI_API_KEY": "<OPENAI_API_KEY>",
        "TWILIO_ACCOUNT_SID": "<TWILIO_ACCOUNT_SID>",
        "TWILIO_AUTH_TOKEN": "<TWILIO_AUTH_TOKEN>",
        "TWILIO_PHONE_NUMBER": "<TWILIO_PHONE_NUMBER>",
        "NOTIFICATION_CHANNEL": "<NOTIFICATION_CHANNEL>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

Name	Description
`DATABASE_URL` Required, secret	Postgres connection URL. Migrations run on boot.
`MCP_API_KEY` Required, secret	Bearer token MCP clients must send (at least 32 characters, e.g. openssl rand -hex 32).
`ASSISTANT_PRINCIPAL_NAME` Required	The name of the person Banjo calls on behalf of.
`PUBLIC_HOSTNAME` Required	Public hostname Twilio reaches this server on (no scheme), e.g. a tunnel or reverse proxy.
`VOICE_AI_PROVIDER` Required	Voice AI vendor. openai is the one carrying live traffic.
`OPENAI_API_KEY` Optional, secret	OpenAI API key, for VOICE_AI_PROVIDER=openai or openai-live.
`TWILIO_ACCOUNT_SID` Required	Twilio account SID.
`TWILIO_AUTH_TOKEN` Required, secret	Twilio auth token.
`TWILIO_PHONE_NUMBER` Required	The Twilio number Banjo calls from, in E.164 (+15551234567).
`NOTIFICATION_CHANNEL` Optional	How Banjo tells you a call's outcome. twilio_sms also needs NOTIFY_TO_PHONE_NUMBER and NOTIFY_FROM_PHONE_NUMBER; pushover needs PUSHOVER_APP_TOKEN and PUSHOVER_USER_KEY.

Details

Package	`ghcr.io/shatch/banjo:0.1.23` (OCI, streamable-http)
First published	12 Nov 2026
Last updated	12 Nov 2026
Registry name	`io.github.shatch/banjo`

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Live status

Local install

Installed and run on your own machine, so there is no public endpoint to check.

Pair it with live search

Agents that use Banjo often also need current facts. NestDaddy MCP gives your AI today's internet: web search, real-time breaking news and full page reading in one connector.

See NestDaddy MCP

For maintainers

[![NestDaddy MCP](https://nestdaddy.com/mcp/servers/io-github-shatch-banjo/badge.svg)](https://nestdaddy.com/mcp/servers/io-github-shatch-banjo)

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