A powerful and lightweight TypeScript utility library for comprehensive data manipulation and processing, especially useful for handling data from Large Language Models (LLMs).
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A high-level API to automate web browsers
Enforce real-time token budgets and spending limits for OpenAI, Anthropic Claude, and Google Gemini API calls in Node.js
A high-level API to automate web browsers
General-purpose agent with transport abstraction, state management, and attachment support
Typescript bindings for langchain
AI-powered chat and tool execution for Open Mercato, using MCP (Model Context Protocol) for tool discovery and execution.
A local development tool for debugging and inspecting AI SDK applications. View LLM requests, responses, tool calls, and multi-step interactions in a web-based UI.
Generate LLM-friendly llms.txt files from markdown and MDX content files
LLM eval & testing toolkit
Code Mode: use LLMs to generate executable code that performs tool calls
Unified LLM API with automatic model discovery and provider configuration
Playwright Tools for MCP
micromark extension to support math (`$C_L$`, `\(C_L\)`)
Lightweight, zero-dependency LLM API cost & token usage tracker for OpenAI, Anthropic, Gemini, Mistral, Groq, and DeepSeek
LLMz - An LLM-native Typescript VM built on top of Zui
Test your LLM-powered apps with a TypeScript-native, Vitest-based eval runner. No API key required.
LangWatch TypeScript/JavaScript SDK. Interact with the full LangWatch API and use the LangWatch OpenTelemetry SDK to instrument your application. For more information, see https://docs.langwatch.ai/integration/typescript/guide
Hardware accelerated language model chats on browsers
HTTP daemon and CLI for agent-driven browser extension testing with Playwright
Display language model outputs in your React project.
[llm-ui](https://llm-ui.com) markdown block.
SkyKoi — Koi runtime. Multi-channel gateway CLI with RPC Koi.
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