Claude Agent SDK
Reference for building production AI agents with the Claude Agent SDK, the agent loop, sessions, tools, MCP, hooks, subagents, permissions, context management, structured output, streaming and deployment.
Read MoreClaude Code Plugins
Claude Code plugins let you extend Claude Code with custom skills, agents, hooks, MCP servers, LSP servers, background monitors, output styles, and themes — and share them across projects and teams via marketplaces.
Read MoreTesting LLM Outputs: Evals for Models, Agents, and Skills
LLM outputs are non-deterministic, which breaks the assumptions most of our testing tooling is built on. This document covers how to actually test model outputs, agent trajectories, and Claude Code-style skills — the layers of evaluation, the current 2026 tool landscape, and a working CI harness you can copy.
Read MoreClaude Notes
Claude is a family of large language models developed by Anthropic, designed to be helpful, harmless, and honest. This document provides an overview of Claude’s capabilities, architecture, and applications — with all examples using LangChain (Python).
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