hub.gazar.dev · tool guides

Tool Guides

One page per tool, written to be decided from rather than read: the one job it does, when to reach for it, when to skip it. Shared across the courses, because the tools are a means and the architecture is the lesson.

ToolUsed in
Which tool, when /tools/decision-matrix LLMs and Agents
Arize Phoenix /tools/arize-phoenix LLMs and Agents
Braintrust /tools/braintrust LLMs and Agents
Cohere Rerank /tools/cohere-rerank LLMs and Agents
CrewAI /tools/crewai LLMs and Agents
DeepEval /tools/deepeval LLMs and Agents
DSPy /tools/dspy LLMs and Agents
Guardrails AI /tools/guardrails-ai LLMs and Agents
Haystack /tools/haystack LLMs and Agents
Helicone /tools/helicone LLMs and Agents
Instructor /tools/instructor LLMs and Agents
Lakera Guard /tools/lakera-guard LLMs and Agents
Langfuse /tools/langfuse LLMs and Agents
LangGraph /tools/langgraph LLMs and Agents
LangSmith /tools/langsmith LLMs and Agents
LiteLLM /tools/litellm LLMs and Agents
Llama Guard & Rebuff /tools/llama-guard LLMs and Agents
LlamaIndex /tools/llamaindex LLMs and Agents
Microsoft Agent Framework /tools/microsoft-agent-framework LLMs and Agents
Model Context Protocol (MCP) /tools/mcp LLMs and Agents
NeMo Guardrails /tools/nemo-guardrails LLMs and Agents
OpenAI Agents SDK /tools/openai-agents-sdk LLMs and Agents
OpenRouter /tools/openrouter LLMs and Agents
OpenTelemetry & OpenLLMetry /tools/opentelemetry-llm LLMs and Agents
Portkey /tools/portkey LLMs and Agents
Promptfoo /tools/promptfoo LLMs and Agents
Pydantic AI /tools/pydantic-ai LLMs and Agents
Ragas /tools/ragas LLMs and Agents
Semantic Caching /tools/semantic-caching LLMs and Agents
Vector Databases /tools/vector-databases LLMs and Agents
vLLM & Ollama /tools/vllm-ollama LLMs and Agents