bknd
Lightweight Firebase/Supabase alternative built to run anywhere — incl. Next.js, React Router, Astro, Cloudflare, Bun, Node, AWS Lambda & more.
The bknd MCP server provides a lightweight, self-hosted backend platform that serves as a Firebase or Supabase alternative with built-in Model Context Protocol support for AI agents. It offers database management, authentication, media handling, and workflow automation that can run anywhere from Next.js and Astro to Cloudflare Workers and AWS Lambda. Developers can use it to give AI agents persistent state management and structured data access through the integrated MCP interface, while maintaining full control over infrastructure and avoiding vendor lock-in. The platform is built on web standards and supports SQLite, Postgres, various storage providers, and multiple JavaScript runtimes.
Key Features
Use Cases
- 01Providing AI agents with persistent backend storage and state management through MCP
- 02Building SaaS products with multi-tenant data isolation and flexible database choices
- 03Creating content management systems embedded within frontend applications
- 04Rapid prototyping and MVP development without managing separate backend infrastructure
- 05Developing API-first applications with type-safe TypeScript SDK access
- 06Running lightweight backends on IoT and embedded devices with minimal footprint
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bknd — FAQ
What is the bknd MCP server?+
bknd is a self-hosted backend platform with an integrated MCP server that provides AI agents with database management, authentication, media handling, and workflow capabilities. It runs on multiple platforms and frameworks, serving as a lightweight alternative to Firebase or Supabase with built-in Model Context Protocol support.
How do I install the bknd MCP server?+
Install bknd via npm with 'npm install bknd', then either run it standalone using 'npx bknd run' or integrate it into your JavaScript runtime or React framework. For MCP functionality, configure your AI client to connect to the bknd MCP endpoint after starting the server.
Which AI clients work with bknd?+
Any AI client that supports the Model Context Protocol (MCP) can connect to bknd's integrated MCP server. The platform exposes standard MCP endpoints for agent communication alongside its REST API.
What are the prerequisites for running bknd?+
You need Node.js 22.13 or higher, Bun 1.0+, or another supported JavaScript runtime. No external API keys are required for basic functionality, though specific adapters (like AWS S3 or Cloudinary) need their respective credentials.
Is bknd free to use?+
Yes, bknd is open source and available on GitHub under the bknd-io organization. You can self-host it on your own infrastructure without licensing costs, though cloud hosting providers may charge for their services.
Can I embed bknd in my existing Next.js or React application?+
Yes, bknd is designed to run embedded within frameworks like Next.js, React Router, Astro, and Vite, allowing you to deploy your frontend and backend together as a single application.
How do I install bknd?+
Open the source repository on GitHub and follow its README. bknd is a mcp server — MCP Agents Market links you directly to the official repo.
Is bknd free?+
bknd is an open-source project hosted on GitHub. Check the repository for its license and any usage requirements.