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Learn Agentic AI — Build Voice & Chat Agents

Step-by-step tutorials on building voice and chat AI agents using OpenAI Agents SDK, Realtime API, function calling, multi-agent orchestration, and production deployment patterns.

9 of 1313 articles

Learn Agentic AI
13 min read0Mar 16, 2026

Chroma DB Tutorial: Local-First Vector Database for Prototyping and Development

Get started with Chroma DB for local vector search — learn to create collections, add documents with auto-embedding, query by similarity, and persist data to disk for rapid AI prototyping.

Learn Agentic AI
14 min read0Mar 16, 2026

Vector Index Types Explained: Flat, IVF, HNSW, and Product Quantization

Understand the four major vector index algorithms — Flat, IVF, HNSW, and Product Quantization — with clear explanations of accuracy vs speed tradeoffs and guidance on tuning parameters.

Learn Agentic AI
13 min read2Mar 16, 2026

AI Agent for Volunteer Management: Sign-Up, Scheduling, and Communication

Build an AI agent that handles volunteer registration, shift scheduling, automated reminders, and appreciation messages for nonprofit organizations and community groups.

Learn Agentic AI
11 min read0Mar 16, 2026

Classification with Structured Outputs: Sentiment, Intent, and Category Detection

Implement text classification systems using structured outputs. Build sentiment analysis, intent detection, and hierarchical category classification with enum constraints, confidence scores, and multi-label support.

Learn Agentic AI
12 min read0Mar 16, 2026

LangChain Expression Language (LCEL): Composing AI Pipelines Declaratively

Deep dive into LCEL's pipe operator, RunnablePassthrough, RunnableParallel, branching, and fallback patterns for building flexible, declarative AI pipelines in LangChain.

Learn Agentic AI
11 min read0Mar 16, 2026

LangChain Tool Creation: @tool Decorator, StructuredTool, and Custom Tools

Master LangChain tool creation patterns including the @tool decorator, StructuredTool class, Pydantic input schemas, async tools, and error handling for production-grade agent tools.

Learn Agentic AI
11 min read0Mar 16, 2026

LangChain Output Parsers: Pydantic, JSON, and Structured Output Parsing

Learn how to extract structured data from LLM responses using LangChain output parsers — Pydantic models, JSON parsing, format instructions, and retry parsers for robust extraction.

Learn Agentic AI
13 min read0Mar 16, 2026

Vector Search Filtering: Combining Semantic Similarity with Metadata Constraints

Master the art of combining vector similarity search with metadata filters, including pre-filter vs post-filter strategies, performance implications, and query design patterns across databases.