Save and run Python coding snippets or problems entirely in the browser with Wasm through [pyodide](https://github.com/iodide-project/pyodide).
The Pyodide JavaScript package
A library for parsing VS Code style problem matchers
Allows you to build compile-time libraries
A drop-in replacement / proxy to Node.js path, replacing \\ with / for all results & adding file extension functions.
The Pyodide JavaScript package
[](https://github.com/alexmojaki/pyodide-worker-runner/blob/master/LICENSE) [
The Gateway provider for the [AI SDK](https://ai-sdk.dev/docs) allows the use of a wide variety of AI models and providers.
CLI coding agent with OAuth authentication for Anthropic, OpenAI, and Gemini
Support for representing 64-bit integers in JavaScript
Right To Left conversion for CSS in JS objects
Local-first AI developer toolkit — knowledge base, code analysis, context management, and developer tools for LLM agents
Type safe utilities for throwing errors (and responses) if things aren't quite right. Inspired by npm.im/invariant
AI SDK by Vercel - build apps like ChatGPT, Claude, Gemini, and more with a single interface for any model using the Vercel AI Gateway or go direct to OpenAI, Anthropic, Google, or any other model provider.
Additional Jest matchers
Strongly-typed string functions.
The **[Anthropic provider](https://ai-sdk.dev/providers/ai-sdk-providers/anthropic)** for the [AI SDK](https://ai-sdk.dev/docs) contains language model support for the [Anthropic Messages API](https://docs.anthropic.com/claude/reference/messages_post).