ResourcesOfficial documentation Claude Code Best Practices Anthropic API Documentation Claude Agent SDK Model Context Protocol (MCP) AI development LangChain Documentation LangGraph LangFuse PromptFoo Guardrails AI Protocols & standards A2A Protocol (Google) LSP Specification 12 Factor App OWASP Top 10 Tools & frameworks Spec Driven Development - GitHub Spec Kit OpenRouter Ollama N8N Workflow Automation Context7 MCP Learning resources Anthropic Prompt Engineering Guide OpenAI Cookbook TOON Format Observability OpenTelemetry Grafana PostHog LLM Analytics Closing thoughtsPrevious PageMy ToolkitThe plugins, skills, CLIs, and hooks installed on my laptop, and why each one stays.