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Home/Categories/AI & Machine Learning/OpenMolt
icon of OpenMolt

OpenMolt

Open source alternative to Google Vertex AI Agent Builder, Vellum AI and Moveworks Agent Studio

  • 35 stars
  • MIT
  • Updated this year
  • Last commit 185 days ago

Last verified Oct 6, 2026

Build programmatic AI agents with OpenMolt.dev, scoped integrations, memory, and typed outputs in TypeScript.

Visit websiteGitHub35 stars
image of OpenMolt
TL;DR

OpenMolt .dev is an MIT-licensed TypeScript framework for building programmatic AI agents. It gives developers scoped tools, multi-provider model support, memory, schedules, and typed Zod outputs without moving agent logic out of the codebase.

Read the full breakdownHide the full breakdownWho it is for, how it works, trade-offs, the quick start and the FAQ
who it's for

Who OpenMolt is for#

Developers adding agents to SaaS products

OpenMolt fits teams that want agents to call real product APIs, return typed data, and run inside an existing TypeScript application.

Skip if:

You want a visual workflow builder instead of code-defined agents.

Ops teams automating scheduled work

Interval and cron-style schedules make OpenMolt useful for recurring reports, message drafting, inventory checks, and other repeated internal tasks.

Skip if:

Your automation does not need LLM reasoning or tool selection.

the problem

The problem it solves#

Building AI agents directly in application code gets messy once the agent needs tools, memory, schedules, typed outputs, and access controls. Teams often stitch together provider SDKs, cron jobs, API wrappers, and hand-written parsing logic.

That glue code creates risk. If the model can see raw credentials, call tools without clear scopes, or return unvalidated text, a useful agent can become hard to operate safely in production.

how OpenMolt solves it

How it solves it#

Scope-gated tools

OpenMolt grants integrations explicit scopes, so an agent with read-only access cannot call write actions even if the model requests them.

Multi-provider models

The README lists OpenAI, Anthropic Claude, and Google Gemini behind a unified provider:model string.

Typed agent output

OpenMolt.dev can validate outputs against a Zod schema, so developers receive typed data instead of parsing free-form model text.

Built-in integrations

OpenMolt advertises more than 30 integrations, including Gmail, Slack, GitHub, Notion, Stripe, Discord, and S3.

strengths · trade-offs

Strengths and trade-offs#

Strengths

  • Developer-native agent controlOpenMolt keeps agent behavior in TypeScript, which helps teams version, review, and test agent code alongside the rest of the app.
  • Safety model is explicitScopes, typed outputs, and credential hiding address practical production concerns that many demo-oriented agent frameworks leave to the developer.

Trade-offs

  • -Best for TypeScript teamsOpenMolt.dev is designed for TypeScript teams. Python-heavy AI teams or teams using hosted no-code agent builders will need a different workflow.
install · quick start

Quick start#

bash
Install OpenMolt.dev from npm in an existing TypeScript project.

```bash
npm install openmolt
```
tech stack · detected from GitHub

What it's built on#

Languages
JavaScriptTypeScript
Frameworks
React
Infrastructure
AWS
frequently asked

FAQ#

What is OpenMolt?

OpenMolt.dev is a TypeScript framework for building AI agents that can plan, call tools, use memory, and return typed outputs.

Which LLM providers does OpenMolt support?

The README lists OpenAI, Anthropic Claude, and Google Gemini, with a unified provider:model string for switching models.

How do you install OpenMolt?

The official README shows OpenMolt installing from npm with npm install openmolt.

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