Banjo
io.github.shatch/banjo
Self-hosted AI assistant that places real phone calls for you: bookings, reservations, errands.
Connect this server
Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.
{
"mcpServers": {
"banjo": {
"command": "docker",
"args": [
"run",
"-i",
"--rm",
"ghcr.io/shatch/banjo:0.1.19"
],
"env": {
"DATABASE_URL": "<your DATABASE_URL>",
"MCP_API_KEY": "<your MCP_API_KEY>",
"ASSISTANT_PRINCIPAL_NAME": "<your ASSISTANT_PRINCIPAL_NAME>",
"PUBLIC_HOSTNAME": "<your PUBLIC_HOSTNAME>",
"VOICE_AI_PROVIDER": "<your VOICE_AI_PROVIDER>",
"OPENAI_API_KEY": "<your OPENAI_API_KEY>",
"TWILIO_ACCOUNT_SID": "<your TWILIO_ACCOUNT_SID>",
"TWILIO_AUTH_TOKEN": "<your TWILIO_AUTH_TOKEN>",
"TWILIO_PHONE_NUMBER": "<your TWILIO_PHONE_NUMBER>",
"NOTIFICATION_CHANNEL": "twilio_sms"
}
}
}
}- DATABASE_URLrequiredsecretPostgres connection URL. Migrations run on boot.
- MCP_API_KEYrequiredsecretBearer token MCP clients must send (at least 32 characters, e.g. openssl rand -hex 32).
- ASSISTANT_PRINCIPAL_NAMErequiredThe name of the person Banjo calls on behalf of.
- PUBLIC_HOSTNAMErequiredPublic hostname Twilio reaches this server on (no scheme), e.g. a tunnel or reverse proxy.
- VOICE_AI_PROVIDERrequiredVoice AI vendor. openai is the one carrying live traffic.
- OPENAI_API_KEYsecretOpenAI API key, for VOICE_AI_PROVIDER=openai or openai-live.
- TWILIO_ACCOUNT_SIDrequiredTwilio account SID.
- TWILIO_AUTH_TOKENrequiredsecretTwilio auth token.
- TWILIO_PHONE_NUMBERrequiredThe Twilio number Banjo calls from, in E.164 (+15551234567).
- NOTIFICATION_CHANNELHow 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.
A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.
- Category
- Developer Tools
- Version
- 0.1.19
- Registry
- active
- Published
- 11/4/2026
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Add the badge to your site
Show visitors that Banjo is listed here — it’s also the link we check for a free listing.
HTML — for your website
<a href="https://serverdex.io/server/io-github-shatch-banjo?utm_source=badge"><img src="https://serverdex.io/brand/badge.svg" alt="Banjo — listed on Serverdex" width="123" height="40" loading="lazy"></a>Recommended. A dofollow link from your own domain is the one that counts for search engines, and it's the link we check for a free listing.
Markdown — for your README
[](https://serverdex.io/server/io-github-shatch-banjo?utm_source=badge)Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.