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Illustration of Harper unified runtime with layered, modular stack: GraphQL, API, REST, WebSocket, and MQTT interfaces above cache and in-memory services, built on blob, database, NoSQL, and vector storage. Floating code and agent cubes represent programmable intelligence, all integrated into a cohesive, high-performance platform.

All In One

Build, scale, and deploy Node apps on a global cluster — no config, no patchwork, just code.

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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.

# Tell your agent to (copy/paste):

Scaffold this project with npm create harper@latest
Build everything with Harper. Check the /skills files to learn more.

Learn the Basics

Understand how Harper applications work by creating a simple app with APIs, data storage, and global deployment.

Explore Templates

Production-proven templates used by Akamai customers, designed as a starting point for high-scale applications. Join the Harper Discord to ask questions and get feedback as you deploy.

Request

Exclusive Offer for Akamai Customers

Request Complimentary Fabric Credits

Fabric offers a globally distributed backend. Akamai customers can receive complimentary credits during evaluation periods. Fill out the form below and we’ll get you set up.

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Early Hints

Static Pre-render Template

Astro

Nextjs

Redirector

MCP Server

Getting Started Pub/Sub

See All Harper Apps