Better Agent
TypeScript framework for typed, composable, and durable AI agents.
Better Agent delivers on its promise of type-safe, composable agents for TypeScript developers. Its focus on durability and human-in-the-loop workflows makes it stand out for production use cases. However, it is not for non-TypeScript teams or simple chatbots.
- TypeScript developers building production-grade AI agents
- Teams needing durable, resumable agent conversations
- Developers wanting typed end-to-end agent definitions
- Projects requiring multi-provider model flexibility
- Non-TypeScript developers (Python, etc.)
- Simple chatbot use cases without complex orchestration
- Teams wanting a managed cloud platform instead of self-hosted framework
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In short
Better Agent — TypeScript framework for typed, composable, and durable AI agents. Best for TypeScript developers building production-grade AI agents, Teams needing durable, resumable agent conversations, Developers wanting typed end-to-end agent definitions. Free to use.
What's new in Better Agent
Checked 14 days agoAcross the latest 8 updates: 2 feature updates, 1 launch and 5 changelog entries.
v0.2.0-beta.5: Bug fix – preserve reasoning messages in prompt replay
Fix in ai-sdk to preserve reasoning messages during prompt replay.
v0.2.0-beta.4: Agent-scoped run control and stream error wrapping
Added agent-scoped run control; wrapped stream errors as BetterAgentError; increased MCP route max duration.
v0.2.0-beta.3: Fix dotfile template in create package
Fix for package dotfile template in create command.
v0.2.0-beta.2: Type inference fix and database adapter peer dep tightening
Fixed type inference for client tools; tightened database adapter peer dependencies.
v0.2.0-beta.1: Major v0.2 beta release with AG-UI, AI SDK support, memory, auth, durable storage
v0.2 beta: adds AG-UI support, Vercel AI SDK provider, memory, auth context, durable storage, new provider packages (OpenAI, Anthropic, etc.), and database adapters (Drizzle, Kysely, Prisma, Redis).
v0.1.0-beta.4: Tool request lifecycle ownership moved to providers
Moved tool request lifecycle ownership to providers; fixed single_turn_only cleanup; redesigned sandbox plugin config.
v0.1.0-beta.3: Fix tool-call results treated as results in conversation items
Fixed an issue where tool-call results were incorrectly treated as results in conversation items.
v0.1.0-beta.2: Sandbox plugin and updated docs homepage
Added sandbox plugin; updated docs homepage UI with ask AI launcher.
Viability Score
How likely is Better Agent to still be operational in 12 months? Based on 4 signals — momentum (how recently it shipped), wrapper dependency, revenue model, and web presence.
Last calculated: July 2026
How we score →Key Features
- TypeScript-first agent definitions with end-to-end type safety
- Composable agents from smaller agents and shared runtime parts
- Multi-provider model support
- AG-UI event streaming for messages, tools, approvals, interrupts
- Durable runs with resume, replay, and thread continuation
- Human-in-the-loop approvals for sensitive tools
- First-class auth context for user/tenant identity and access rules
- Plugin system for guards, hooks, middleware, and endpoints
- Framework-agnostic: Next.js, Hono, Express, Remix, SvelteKit, more
- Storage adapters for Drizzle, Prisma, Kysely, Redis
- Client SDKs for React, Vue, Svelte, Solid
- MCP (Model Context Protocol) support
- Structured output with JSON schema validation
- Tool integration: server, client, MCP, hosted provider tools
- Agent-scoped run control (v0.2.0-beta.4)
About Better Agent
Better Agent is a TypeScript framework for building typed, composable, and durable AI agent applications. It provides a composable runtime for tools, memory, storage, auth context, interrupts, resumable runs, plugins, and a typed client across frameworks. Designed for developers who want end-to-end type safety from agent definitions to client calls, it integrates into existing stacks with your own framework, database, and auth system. Key features include multi-provider model support (OpenAI, Anthropic, Gemini, xAI, Ollama, OpenRouter, Cloudflare Workers AI, Vercel AI SDK), AG-UI event streaming, durable runs with resume and replay, human-in-the-loop approvals, and first-class auth context. The plugin system enables app-level guards, hooks, middleware, and endpoints. It is framework-agnostic and works with Next.js, Hono, Express, Remix, SvelteKit, and more. Storage adapters include Drizzle, Prisma, Kysely, and Redis. Client SDKs are available for React, Vue, Svelte, and Solid. Compared to other agent frameworks, Better Agent emphasizes type safety and composability, making it a strong choice for TypeScript developers building production-grade agents.
Behind the Verdict
Better Agent hits a sweet spot for TypeScript developers who need to build reliable, composable agent systems. Its end-to-end type safety from agent definitions to client SDKs is a real time-saver—no more mismatched schemas between backend and frontend. The durable runs feature (resume, replay, thread continuation) is particularly valuable for production agents that need to survive crashes or long-running tasks. We'd reach for this when building multi-agent workflows with human approval steps, like support ticket escalation or content moderation pipelines. The AG-UI event streaming is clean and standard, making it easy to integrate with existing UIs. Where it bites: the framework is still pre-1.0 (latest v0.2.0-beta.5 as of June 2026), so expect breaking changes. It requires TypeScript knowledge and a willingness to self-host and manage your own infrastructure. If you want a managed platform with zero setup, look at something like Vercel AI SDK or LangChain Cloud. For teams already on Next.js or Hono, Better Agent slots in naturally. Storage is solid with adapters for Prisma, Drizzle, Kysely, and Redis, but no managed cloud storage option yet. The community is still small, so support relies on GitHub issues. Overall, it's a promising framework for TypeScript developers who prioritize type safety and control over convenience.
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Use Cases
- Build customer support agents that maintain context across sessions and escalate to humans when needed.
- Create code generation agents that stream results and allow user approval before executing sensitive operations.
- Develop research agents that compose multiple sub-agents for web search, document analysis, and summarization.
- Implement durable chatbot experiences that can be paused and resumed across requests without losing state.
- Build multi-step workflow agents with conditional branching and tool calls, all with full type safety.
Models Under the Hood
Limitations
- Better Agent is currently in beta (v0.2) and may have breaking API changes between versions.
- It requires TypeScript and is designed for server-side use; no client-side-only runtime.
- Plugin ecosystem is still nascent.
Integrations
Resources & Guides
Official links
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