Tip: TanStack AI SDK Provides Type-Safe Tool Calling and Agent Loops for TypeScript Apps

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TanStack AI (2.7K stars) is a provider-agnostic TypeScript SDK for streaming chat, tool calling, agents, and multimodal apps. It includes an agentic cycle management system for multi-step autonomous tasks and a code mode where LLMs write and execute TypeScript in isolated sandboxes. Tools are defined once with toolDefinition() and get type-safe implementations across server and client. Official adapters cover OpenRouter, OpenAI, Anthropic, Gemini, Ollama, Groq, and more. For TypeScript builders adding AI features, this fills the gap between raw API calls and heavy frameworks.