Mastra
The TypeScript framework for building AI agents and workflows.
Observability-first open-source TypeScript framework for AI agents
VoltAgent stands out in a crowded agent-framework field by making observability a first-class concern via VoltOps, which is genuinely useful when debugging multi-agent flows. Being TypeScript-native and MIT-licensed makes it attractive to JS/TS shops that find Python-centric frameworks awkward. As a younger framework, its ecosystem and battle-testing are smaller than the biggest players, so expect faster churn and fewer third-party resources. A strong choice for TypeScript teams that value tracing and evaluation.
VoltAgent is an MIT-licensed TypeScript framework for building AI agents with memory, RAG, guardrails, MCP, and multi-agent orchestration, paired with the VoltOps observability platform for tracing and evaluation.
VoltAgent is a TypeScript-first framework that aims to sit between no-code agent builders and building everything from scratch, giving developers modular building blocks with full control. It provides core primitives for robust agents, including agent and tool definitions, memory and state management, retrieval-augmented generation, guardrails, voice, workflows, and multi-agent orchestration. A defining feature is its observability-first design. VoltAgent pairs with VoltOps, a companion platform that delivers tracing, debugging, testing, evaluation, and a prompt playground in an n8n-style visual interface, so teams can see and measure what their agents are doing rather than treating them as black boxes. Being MIT licensed and free, VoltAgent appeals to TypeScript teams who want a modern agent framework with native MCP support and strong tooling for evaluation and observability out of the box.
VoltAgent is an open-source, TypeScript-native agent framework with first-class observability through its VoltOps companion platform.
VoltAgent is an open-source project and company building TypeScript-first AI agent tooling. Its framework is MIT-licensed, and it offers VoltOps as a companion observability and evaluation platform.
It positions itself between no-code builders and from-scratch development, targeting developers who want control plus strong tracing and evaluation.
The framework provides agents, tools, memory and state, RAG, guardrails, voice, workflows, and multi-agent orchestration, with native MCP support. VoltOps adds tracing, debugging, testing, evaluation, and an n8n-style prompt playground.
Everything is TypeScript-native, letting JS/TS teams build agents without switching to Python-centric stacks.
TypeScript and JavaScript engineering teams building agents and multi-agent systems who prioritize observability and evaluation.
TypeScript developers building agents
Engineering leads adopting agent frameworks
JS/TS community and observability advocates
TypeScript teams needing agent orchestration with tracing
VoltAgent is an emerging open-source project; verify any funding details with the vendor.
Yes. The framework is MIT-licensed and free; VoltOps may offer hosted plans.
VoltAgent is TypeScript-native and designed for JavaScript/TypeScript developers.
Yes. MCP is a first-class part of the framework for rich tooling.
VoltOps is VoltAgent's companion observability platform for tracing, debugging, evaluation, and a prompt playground.
Yes. It supports composing agents into networks with routing and shared state.
Side-by-side pages for pricing, features, and best-fit use cases.
The TypeScript framework for building AI agents and workflows.
Stateful AI agents with long-term memory (formerly MemGPT).
Graph-based orchestration for stateful, controllable LLM agents.
Microsoft's multi-agent conversation framework (now in maintenance mode).