Cossistant
Open-source AI and human support framework for React and Next.js apps with programmable actions, custom UI, and code-first workflows.

Cossistant is the open-source AI and human support framework designed specifically for React and Next.js applications. It transforms your support system by deploying a custom AI agent that learns from your team's interactions, reducing manual workload while maintaining high-quality responses.
Key Features
- Self-learning knowledge base: Automatically builds FAQs from your documentation, resources, and past conversations to improve agent responses over time.
- Programmable actions: Integrates with tools like Linear, Stripe, and Cal.com out-of-the-box, with support for custom API integrations.
- Code-first workflows: Add support AI agents to your app in under 10 lines of code using the
@cossistant/nextpackage. - Customizable agent personality: Control the model, prompt, tone, and skills to match your brand voice.
- Real-time inbox: Monitor conversations with live visitor tracking, response times, and AI intervention metrics.
- Human escalation: Seamlessly transitions complex issues to human support when needed.
- SSO & API integration: Configure Single Sign-On with providers like Google and Microsoft, plus REST API and webhook support.
Tech / Self-Hosting
Cossistant is open-source and can be self-hosted. The framework is built for modern JavaScript/TypeScript stacks and integrates seamlessly with React and Next.js applications. Full documentation and deployment guides are available on the official website.