Mozaik — TypeScript library for building autonomous AI agents. One API for OpenAI and Anthropic. Switch models in one line.

npm install @mozaik-ai/core

The basics — your first agent

import { MozaikAgent, MozaikRequest } from '@mozaik-ai/core'

const request: MozaikRequest = { model: 'claude-sonnet-4.5' }
const agent = new MozaikAgent(request)

const response = await agent.act('Write a haiku about TypeScript')

Workflows — sequential and parallel

import { Workflow, Task } from '@mozaik-ai/core'

const workflow = new Workflow("sequential", [
  new Task("Analyze requirements", "gpt-5"),

  new Workflow("parallel", [
    new Task("Implement UI components", "claude-sonnet-4.5"),
    new Task("Implement API endpoints", "gpt-5"),
    new Task("Write database migrations", "gpt-5-mini")
  ]),

  new Task("Update documentation", "gpt-5-nano")
])

await workflow.execute()

Autonomy Slider — let AI plan for you

import { Planner, Workflow, Task } from '@mozaik-ai/core'

// Hybrid: you control the structure, AI fills in the details
const workflow = new Workflow("sequential", [
  new Task("Load user requirements from database", "gpt-5-mini"),

  await new Planner({
    model: 'gpt-5',
    goal: 'Implement the main feature based on requirements'
  }).plan(),

  new Task("Deploy to staging environment", "gpt-5-mini")
])

From fully manual workflows to a full AI planner — and everything in between.

Capabilities

Unified API — OpenAI and Anthropic, same interface
Tool calling, structured output, vision, multi-turn
Sequential + parallel + nested workflows
AI Planner that decomposes goals into tasks automatically
Execution hooks for logging, metrics, custom behavior

Dogfooded on Spektrum — our own vibe-coding SDK that generates and deploys full React apps from a prompt. Not a toy example.

jigjoy.ai/mozaik · docs · spektrum · discord

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