PartyKit is an open-source platform that enables the deployment and hosting of real-time, collaborative applications using AI agents, WebSockets, and standard web protocols. It addresses the challenges of building and scaling multiplayer and local-first applications by providing a flexible infrastructure that integrates with existing setups and requires minimal code to implement.
Funding
Funding not disclosed

Founders
Product
Problem
Developing real-time, collaborative applications with features like multiplayer functionality and AI agents often involves complex infrastructure and significant coding effort. Scaling these applications and integrating them with existing web setups presents further challenges for developers.
Solution
PartyKit offers an open-source platform designed to simplify the deployment and hosting of real-time, collaborative applications. By leveraging WebSockets and standard web protocols, PartyKit provides a flexible infrastructure that minimizes code requirements and integrates seamlessly with existing setups. The platform handles the complexities of scaling multiplayer and local-first applications, allowing developers to focus on building features rather than managing infrastructure. PartyKit supports various collaboration frameworks and libraries, ensuring compatibility and ease of use.
Target Audience
PartyKit is targeted towards developers and teams building multiplayer applications, AI-powered tools, and collaborative web experiences.
Features
- WebSocket-based real-time communication for collaborative features
- Edge deployment for low-latency performance worldwide
- Integration with popular collaboration frameworks like Y.js and Automerge
- Compatibility with existing hosting platforms such as Vercel, Netlify, and AWS
- Support for standard web protocols including Fetch, Request-Response, and Wasm
- Tools for analytics, staging environments, and secrets management