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Open-source TypeScript AI agent framework

AgentOS is an open-source TypeScript AI agent framework for building production-ready autonomous agents with multi-agent orchestration, cognitive memory, multimodal RAG, AI guardrails, voice pipelines, and 13 LLM providers. A type-safe alternative to LangGraph, CrewAI, Mastra, and AutoGen.

面向会记忆、会适应、能创造新工具的 AI 智能体的开源 TypeScript 运行时。完整运行时中的每个会话都是一个 GMI(Generalized Mind Instance),它保留自己的人格、情绪和记忆,并能随时间调整自己的特质。智能体在任务中途编写自己的函数并由裁判批准;当固定名单无法覆盖任务时,管理者会创建专家。认知记忆采用艾宾浩斯遗忘曲线和 7 个槽位的工作记忆。LongMemEval-S 85.6%。Apache 2.0。

See code examples
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Runtime agent spawning

Spawn an agent at runtime

A manager coordinates a researcher and a writer. When the task needs a role neither covers, the manager calls spawn_specialist, an LLM judge approves the new agent's spec, and the specialist joins the roster for the manager's next turn.

import { agency } from '@framers/agentos';

const research = agency({
  provider: 'openai',
  model: 'gpt-4o',
  strategy: 'hierarchical',
  instructions:
    'Coordinate the team to produce a thorough research report. ' +
    'If you need a capability neither the researcher nor the writer covers, ' +
    'call spawn_specialist to mint a new specialist for just this run.',
  agents: {
    researcher: { instructions: 'Find authoritative sources and pull verbatim quotes.' },
    writer: { instructions: 'Produce well-cited prose from the research brief.' },
  },
  emergent: {
    enabled: true,     // unlocks the spawn_specialist tool
    tier: 'session',   // spawned agents are discarded when generate() returns
    judge: true,       // EmergentAgentJudge reviews each spec before activation
    planner: { maxSpecialists: 3, requireJustification: true, maxJudgeCalls: 6 },
  },
  on: {
    emergentForge: (event) =>
      console.log(`[FORGE] spawned "${event.agentName}" approved=${event.approved}`),
  },
});

const result = await research.generate(
  'Survey the post-2023 RAG literature, including evaluation methodology, ' +
    'known limitations, and reproducibility challenges.',
);
console.log(result.text);
Condensed from examples/emergent-hierarchical-spawning.mjs. Run the full file with node in a built clone.One captured run →View source on GitHub →

AI Agent Swarm Simulation Engine

Define a scenario as JSON. Run it with AI commanders that have different personalities. Watch their decisions compound into divergent civilizations from identical starting conditions. Built on AgentOS.

See AgentOS in action

Watch a live AgentOS agent handle a real workload end-to-end: tool use, memory recall, multi-step planning. Every clip is captured from a running runtime, no edits.

MIT LicensedOpen Source

AgentOS Workbench

A React + Vite dashboard you run on your own machine to inspect and debug AgentOS sessions. Watch streamed output on a session timeline, compose and replay turns, and run evaluations against your agents.

  • Session inspector for streamed text, tool calls and errors
  • Real-time testing and debugging tools
  • Views for agency strategies, plan checkpoints and RAG retrieval
View on GitHub

Clone the repo and follow the README's quick start; it opens at localhost:5175.

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