Meta / Skill Building

Turns a technical book or document into a structured Claude Code skill that your agent loads only when it needs it.

Stanford's framework for programming, not prompting, language models, with optimizers that tune your prompts for you.

The fast, Pythonic way to build MCP servers and clients, now a full MCP application framework from Prefect.

The Anthropic skill that guides Claude through designing and building high-quality MCP servers in Python or TypeScript.

The official tool for testing and debugging MCP servers, with a web UI, a CLI and a terminal UI.

Train a 64M-parameter language model from scratch in about two hours, with every step written in plain PyTorch.

Test and compare prompts, agents and RAG pipelines, and red-team them for security problems, from the command line.

The official Anthropic skill for writing new Agent Skills, improving existing ones and measuring them with evals.

Record yourself doing a task once, and this Microsoft desktop app turns the session into a reusable agent skill.

Microsoft's optimizer that trains agent skills like neural networks, with epochs and validation gates, without touching weights.