Comparison
HazelJS vs AgentOS (agentos.sh)
agentos.sh is a TypeScript agent framework with cognitive memory and orchestration. HazelJS Agent OS packages durable agents (DNA, Skillgate, HITL) inside your Nest-familiar backend.
Updated October 11, 2026
HazelJS vs AgentOS (agentos.sh)
TL;DR
- AgentOS at agentos.sh (
@framers/agentos) is an open-source TypeScript AI agent framework focused on cognitive memory, multi-agent orchestration, guardrails, voice, and graph builders. - HazelJS Agent OS is the production lifecycle for durable agents inside your TypeScript backend: DNA packages, Skillgate, Gatekeeper, crash-safe HITL, Decision Runtime, and local apply — Nest-familiar modules and HTTP included.
- Both compete for “Agent OS TypeScript” queries. They solve overlapping but different jobs.
- Choose agentos.sh when you want a standalone TypeScript agent runtime with cognitive-memory and emergent-tool focus.
- Choose HazelJS when agents must version like packages, govern REST writes, and survive HITL crashes next to your APIs — clone Meridian.
Who this is for
You should read this if you:
- Searched for “agent os typescript” and landed on agentos.sh or VoltAgent first
- Need TypeScript agents that share DI with REST controllers
- Care about DNA packaging, Store / apply, and Skillgate-governed OpenAPI tools
Scope difference
| Layer | Framers AgentOS (agentos.sh) | HazelJS Agent OS |
|---|---|---|
| Positioning | TypeScript agent framework / runtime | Agent OS inside a TypeScript backend framework |
| Memory story | Cognitive memory (neuroscience-inspired) | Session + @hazeljs/memory / RAG when needed |
| Orchestration | agency(), AgentGraph, workflow(), mission() | @Delegate, AgentGraph, Supervisor; organism for self-org |
| HTTP / DI backend | You wire or use their surface | Native @hazeljs/core modules + controllers |
| Agent packaging | Skills / tool export patterns | Agent DNA + Store + local apply |
| Tool authorization | Guardrails / judges | Gatekeeper fail-closed + Skillgate write approvals |
| Durable HITL | Checkpoints / session patterns | Durable AgentRun suspend + worker leases |
| Decision before side effects | LLM / judge patterns | Native @hazeljs/decision closed-set + policy |
Side-by-side
| Aspect | agentos.sh | HazelJS Agent OS |
|---|---|---|
| npm entry | @framers/agentos | @hazeljs/agent (+ core, skillgate, gatekeeper, …) |
| Nest-familiar DI | Not the product | First-class |
| OpenAPI → governed skills | Custom | Skillgate |
| Speculative branches + compensate | Sandbox / forge tools | @hazeljs/agent-vm |
| Teaching path | Their docs / Workbench | Meridian ops platform |
| Bare “Agent OS” SEO | Strong for TypeScript category | Target HazelJS Agent OS + this comparison |
When to choose which
Choose agentos.sh when:
- You want their cognitive memory and emergent tool-generation story
- You are building a standalone agent runtime without needing Nest-style HTTP modules
Choose HazelJS Agent OS when:
- Product agents and REST APIs share one TypeScript DI app
- You need DNA, Skillgate, Gatekeeper, crash-safe HITL, and local apply as the wedge
- Backend teams already think in controllers, modules, and npm packages
How to try HazelJS
git clone https://github.com/hazel-js/hazeljs-meridian-ops.git
cd hazeljs-meridian-ops
npm install
npm run store:sync
npm run platform:sync
npm run dev
Or: npx @hazeljs/cli agent new my-desk --template=agent-os
Related
- Agent OS lander
- What is an Agent OS?
- vs Builder Methods Agent OS
- vs Agno AgentOS
- vs VoltAgent — if you evaluate other TypeScript agent frameworks
- vs LangGraph
FAQ
- Is HazelJS the same as agentos.sh / @framers/agentos?
- No. Framers AgentOS is a separate TypeScript agent framework. HazelJS Agent OS is the durable-agent lifecycle inside the HazelJS TypeScript backend — DNA, Skillgate, Gatekeeper, and local apply.
- Which ranks for “agent os typescript”?
- agentos.sh currently has stronger category SEO. This page and HazelJS Agent OS disambiguate the products so teams can choose on architecture, not name collision.
- When is HazelJS the better fit?
- When product agents and REST APIs share one DI app and you need DNA packaging, Skillgate write governance, and crash-safe HITL.
- How do I try HazelJS?
- Clone Meridian or run npx @hazeljs/cli agent new my-desk --template=agent-os. See hazeljs.ai/agent-os.
Docs & next steps
Related comparisons
- HazelJS vs VoltAgent
VoltAgent focuses on typed agents, workflows, and VoltOps observability. HazelJS Agent OS focuses on DNA, Skillgate, Gatekeeper, and crash-safe HITL next to your APIs.
- HazelJS vs Builder Methods Agent OS
Same “Agent OS” words, different jobs: Builder Methods shapes coding-agent specs; HazelJS runs durable product agents inside your TypeScript backend.
- HazelJS vs Agno AgentOS
Agno AgentOS is a Python FastAPI runtime for agents. HazelJS Agent OS is TypeScript-native: DNA, Skillgate, Gatekeeper, and crash-safe HITL in the same DI app as your APIs.
- HazelJS vs LangGraph
LangGraph is a strong agent graph runtime. HazelJS Agent OS covers durable AgentRun HITL, DNA packaging, Skillgate, local apply, and your API layer without a separate web framework.