---
title: "AgentsKit — Agent Framework Launch | App Stack Builder"
description: "Open-source JavaScript agent stack with replaceable models, memory, RAG, tools, runtimes and UI."
source: https://appstackbuilder.com/launches/agentskit
retrieved: 2026-10-26
---

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![AgentsKit](https://www.agentskit.io/favicon.svg)

Agent Frameworkagentskit.ioAug 4, 2026

# AgentsKit

Open-source JavaScript agent stack with replaceable models, memory, RAG, tools, runtimes and UI.

[Visit AgentsKit](https://www.agentskit.io/?utm%5Fsource=appstackbuilder.com&utm%5Fmedium=referral&utm%5Fcampaign=launches&utm%5Fcontent=launch-detail)[Share on X](https://twitter.com/intent/tweet?text=%F0%9F%9A%80%20AgentsKit%20just%20launched%20on%20%40appstackbuilder%20%E2%80%94%20Open-source%20JavaScript%20agent%20stack%20with%20replaceable%20models%2C%20memory%2C%20RAG%2C%20tools%2C%20runtimes%20and%20UI.&url=https%3A%2F%2Fappstackbuilder.com%2Flaunches%2Fagentskit)

## About

AgentsKit is an open-source TypeScript toolkit for building complete agent products without locking the application to one model provider or monolithic framework. Its 5 KB zero-dependency core connects 14 independently installable packages for model adapters, chat interfaces, autonomous runtimes, tools, skills, memory, RAG, sandboxing, observability, and evaluation. Each layer follows explicit contracts, so teams can start with only what they need and replace providers or infrastructure as requirements change.

## Pricing

Free and open source (MIT). Model and infrastructure costs depend on the providers you choose.

E

Submitted by

Emerson Braun

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