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Jack The Butler
What it is
Jack The Butler is a free, open-source AI concierge for hotels, vacation rentals, hostels, and property managers. Its unified inbox combines WhatsApp, SMS, email, and web chat. Jack can answer routine guest requests automatically and send complex issues to staff with conversation context. A property knowledge base supplies information for guest responses. Supported AI options include Anthropic Claude, OpenAI GPT, Ollama, and built-in local models. The software is self-hosted, with documentation stating that guest data remains on the property’s server. Local AI can operate offline without API charges, although responses are simpler and models need about 2 GB of RAM. WhatsApp uses the WhatsApp Business API, SMS uses Twilio, and email connects through SMTP/IMAP. Deployment options include one-click cloud setup and Docker on Mac, Windows, or Linux. A REST API covers conversations, guests, tasks, knowledge entries, staff, and settings. The free plan has no per-message or per-room fees, but hosting and AI API use may cost extra.
For and against
For
- Unified WhatsApp, SMS, email, and web inbox
- Self-hosted guest data
- Offline local AI option
- Free open-source software
- REST API included
Against
- Hosting and AI API usage may cost extra
- Local models need about 2 GB RAM
- Local responses are simpler
- API rate limits apply
The verdict
Jack The Butler combines hospitality messaging, AI-assisted replies, self-hosting, and a free open-source license. Its deployment and operating costs depend on hosting and the chosen AI provider.
Who it suits
Jack The Butler suits hospitality operators wanting self-hosted guest messaging and automated routine replies. It also fits properties needing local or offline AI and control of guest data.
Plans and prices
Free
Free and open source · no per-message fees · no per-room pricing · hosting and AI API usage may cost extra
Read 2 Oct 2026 · jackthebutler.com
On the record
- AI providers
- Jack supports Anthropic Claude, OpenAI GPT, Ollama, and built-in local AI models.jackthebutler.com · read 2 Oct 2026
- API
- Jack provides a REST API for conversations, guests, tasks, knowledge-base entries, staff, and settings.jackthebutler.com · read 2 Oct 2026
- API limit
- The documented API rate limits are 100 standard requests per minute and 10 bulk-operation requests per minute.jackthebutler.com · read 2 Oct 2026
- Audience
- The product documentation names hotels, vacation rentals, hostels, and property managers as intended users.jackthebutler.com · read 2 Oct 2026
- Costs
- The maker estimates hosting at about $5–10 per month for production and AI API use at about $5–20 per month, while local AI has no API cost.jackthebutler.com · read 2 Oct 2026
- Data control
- Jack is self-hosted, and its documentation says guest data stays on the property's server.jackthebutler.com · read 2 Oct 2026
- Deployment
- The maker documents one-click cloud deployment and Docker installation, and the repository lists Mac, Windows, and Linux Docker options.github.com · read 2 Oct 2026
- Guest handling
- Jack can answer routine requests automatically and route complex issues to staff with context.jackthebutler.com · read 2 Oct 2026
- Inbox
- Its unified inbox supports WhatsApp, SMS, email, and web chat.jackthebutler.com · read 2 Oct 2026
- Integrations
- WhatsApp connects through WhatsApp Business API, SMS through Twilio, and property email through SMTP/IMAP.jackthebutler.com · read 2 Oct 2026
- Knowledge base
- The knowledge base can be trained on property information for guest responses.jackthebutler.com · read 2 Oct 2026
- Offline AI
- Local AI runs on the server without API costs and can work offline, though its responses are simpler and it requires about 2 GB of RAM for models.jackthebutler.com · read 2 Oct 2026
- Purpose
- Jack is an open-source AI concierge that handles hotel and hospitality guest communication across messaging channels.jackthebutler.com · read 2 Oct 2026
