--- title: Intro description: Agentic is an open source, TypeScript, AI agent standard library that works with any LLM and TS AI SDK. --- Agentic header Agentic's standard library of TypeScript AI tools are **optimized for both TS-usage as well as LLM-based usage**, which is really important for testing and debugging. Agentic tools work with any LLM capable of function calling and all of the major TS AI SDKs, including: - Vercel AI SDK - OpenAI - LangChain - LlamaIndex - Mastra - Firebase Genkit - Dexa Dexter - xsAI ## Features - ✅ All tools are thoroughly tested in production - ✅ Tools work across all leading TS AI SDKs - ✅ Tools are hand-coded and extremely minimal - ✅ Tools have both a good manual DX and LLM DX via the `@aiFunction` decorator - ✅ Tools use native `fetch` - ✅ Tools use [ky](https://github.com/sindresorhus/ky) to wrap `fetch`, so HTTP options, throttling, retries, etc are easy to customize - ✅ Supports tools from any MCP server ([createMcpTools](/tools/mcp)) - ✅ Generate new Agentic tool clients from OpenAPI specs ([@agentic/openapi-to-ts](https://github.com/transitive-bullshit/agentic/tree/main/packages/openapi-to-ts)) - ✅ 100% open source && not trying to sell you anything 💯