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Fail-closed, TypeScript-first multi-tenancy for Node.js - one tenant-isolation contract across Express, Next.js, AdonisJS & NestJS with Prisma, Knex, Lucid, TypeORM, Sequelize & Mongoose.

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TenancyJs – Open-source, secure multi-tenancy for Node.js

Name: TenancyJs – Open-source, secure multi-tenancy for Node.js
Availability: InStock
Author: karthickrmchn

by karthickrmchn·Jul 8, 2026·2 points·0 comments

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AI Analysis

●●SolidSolve My ProblemSlick

Fail-closed guarantee prevents data leaks when tenant context is missing.

Strengths

•Async execution scope eliminates need to thread tenantId through every call.
•Adversarial isolation tests prove two-tenant separation on real databases.
•CLI init wizard scaffolds stack-specific wiring automatically.

Weaknesses

•Multi-tenancy solutions already exist in Node ecosystem (multitenant, tenanti).
•Version 0.2.0 indicates API still settling before production stability.

Post Description

When I started my web development career, I worked mostly with PHP and Laravel. I quickly fell in love with the community and the ecosystem. The amount of thought and care that went into the packages people built made the framework a joy to work with. Fast forward eight years, and I've spent most of that time working in the Node.js and JavaScript ecosystem. One thing I always felt was missing was a stable, secure, production-focused multi-tenancy solution that integrated well with existing applications. So I built TenancyJS. It's MIT-licensed. You can try it with: npx tenancyjs-cli init Documentation: https://tenancyjs.pages.dev/