Open source · TypeScript
Best TypeScript agent frameworks
The 10 open-source agent frameworks written in TypeScript in this index, ordered by recorded GitHub star count, never by sponsorship. Stars are repository-interest signals, not performance or maintenance guarantees. ruflo leads the set at 80,602 GitHub stars, and 9 of the 10 have a recorded repository push in the last 90 days. These records have TypeScript as their primary repository language and recognized open-source software licenses recorded in this index; check the current licenses, deployment requirements, and model or API costs. Right now it's led by ruflo (81k stars), with CopilotKit and Mastra following. Order follows the recorded star counts; repository activity is shown separately.
Tools in this collection
rufloFrameworkThe leading agent meta-harness. Deploy intelligent multi-player swarms, coordinate autonomous workflows, and build conversational AI systems.Costs not checkedOpen sourceTypeScript · recorded license: MITRecord checked · Recent push 81kGitHub starsCopilotKitFrameworkThe frontend stack for agents: generative UI, shared state and human-in-the-loop for web, mobile, Slack and Teams.Costs not checkedOpen sourceTypeScript · recorded license: MITRecord checked · Recent push 38kGitHub starsMastraFrameworkA TypeScript framework for AI applications and agents, with model routing, workflows, RAG and evals.Costs not checkedOpen sourceTypeScript · recorded license: Apache-2.0Record checked · Recent push 29kGitHub starsAI SDK (Vercel)FrameworkVercel's provider-agnostic TypeScript toolkit for AI applications and agents in Next.js, React, Svelte, Vue and Node.Costs not checkedOpen sourceTypeScript · recorded license: Apache-2.0Record checked · Recent push 28kGitHub starselizaFrameworkOpen source agentic operating systemCosts not checkedOpen sourceTypeScript · recorded license: MITRecord checked · Recent push 20kGitHub starsVoltAgentFrameworkAn open-source TypeScript agent framework with a companion console for observability, evals and deployment.Costs not checkedOpen sourceTypeScript · recorded license: MITRecord checked · Recent push 11kGitHub starsopen-multi-agentFrameworkTypeScript multi-agent orchestration framework. Describe a goal, a coordinator decomposes it into a task DAG that runs on any LLM: Claude, ChatGPT, Gemini, DeepSeek, or local models.Costs not checkedOpen sourceTypeScript · recorded license: MITRecord checked · Recent push 7.0kGitHub starsOpenAI Agents SDK (TypeScript)FrameworkOpenAI's lightweight, provider-agnostic TypeScript framework for multi-agent workflows and voice agents.Costs not checkedOpen sourceTypeScript · recorded license: MITRecord checked · Recent push 4.0kGitHub starsopengapFrameworkA framework-agnostic, git-native standard for defining AI agentsCosts not checkedOpen sourceTypeScript · recorded license: MITRecord checked 3.0kGitHub starsCybaraFrameworkSelf-hosted, open-source AI agent operating system with multi-agent orchestration and MCP.Costs not checkedOpen sourceTypeScript · recorded license: MITRecord checked · Recent push 34GitHub stars
Frequently asked
- What are the best TypeScript agent frameworks?
- By recorded GitHub star count, ruflo, CopilotKit and Mastra lead the TypeScript agent frameworks in this index of 10. The full list is below; star count does not prove suitability or continued maintenance. Sponsorship does not affect its order.
- Are these TypeScript agent frameworks open source and free?
- These records have recognized open-source software licenses recorded and are written primarily in TypeScript in this index. MIT is the most common licence here, on 8 of 10, across 2 licences in total. Check each license and deployment requirements. Hosting, model, API, and managed-service costs may apply.
- Why choose TypeScript agent frameworks specifically?
- Staying in your team's primary language — TypeScript — can help your team inspect and modify code it understands. Repository language does not establish supported user languages, SDKs or an offline deployment. 9 of these 10 have a recorded push within 90 days. A quiet repository alone does not establish whether the project is complete, supported or abandoned.