Member
Open JS Foundation Logo
Illustration of Harper unified runtime showing layered architecture with glowing blocks for GraphQL, API, REST, WebSocket, and MQTT atop cache and in-memory services, supported by blob, database, NoSQL, and vector storage, connected to distributed global fabric, with floating code and agent cubes representing programmable intelligence in a vibrant dimensional design
All In One
Build, scale, and deploy Node apps on a global cluster — no config, no patchwork, just code.
Try for Free →
A silver laptop with a glowing teal outline displays a GitHub repository open in dark mode. The screen shows folders and files from the “harper” project.
INSTALL
Apache 2.0
Free to Use
Free to Modify
Free to Sell
Install with npm
npm install -g harperdb
harperdb
Verify Download
curl http://localhost:9925/health
Build
Build with AI Agents
One command scaffolds a full-stack Harper project with built-in skills files that teach any coding agent how to build, test, and deploy with Harper.
# Copy/Paste | Tell your agent to:

Scaffold this project with npm create harper@latest
Build everything with Harper. Check the /skills files to learn more.
Learn the Basics
Green Arrow
Understand how Harper applications work by creating a simple app with APIs, data storage, and global deployment.
More
Discord Green Logo
Join us on Discord →
O'Reilly Logo in Green
Read Service Fabrics and Unified Platforms →
Report cover for "Service Fabrics & Unified Platforms" report written by O'Reilly