Building a RAG-Powered Chat Agent with FileSearch
Build a documentation chatbot using the OpenAI Agents SDK FileSearchTool with vector stores, citation handling, and hybrid retrieval for production-grade RAG chat agents.
15 min read
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AI Voice Agent Insights & Guides
Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
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Agent Handoffs: Building Triage and Routing Systems
Master the handoff mechanism in the OpenAI Agents SDK — from basic handoffs to advanced triage systems with custom tool names, descriptions, and on_handoff callbacks.
13 min read
Building Agentic AI with Redis: Caching, Sessions, and Pub/Sub Patterns
Master Redis patterns for agentic AI including LLM response caching, conversation sessions, pub/sub for real-time events, and agent performance optimization.
10 min read
Building Custom Guardrails with Tripwires and Agent-Based Validation
Learn how to build custom guardrails using agent-based validation, confidence thresholds, and multi-layer tripwire strategies in the OpenAI Agents SDK for production-grade safety.
12 min read
Error Handling in Agent Workflows: Exceptions, Retries, and Recovery
Master error handling in the OpenAI Agents SDK. Learn about MaxTurnsExceeded, tool errors, model behavior errors, retry policies, and building resilient agent workflows.
14 min read
TypeScript for Agentic AI: Building Type-Safe Agent Systems
Build type-safe agentic AI with TypeScript — typed tool definitions, Zod schemas for structured output, type-safe handoffs, and generic agent classes.
11 min read
Handling Voice Agent Interruptions and Barge-In
Learn how to handle user interruptions and barge-in events in voice agents with lifecycle management, audio muting, graceful cancellation, and response resumption strategies.
10 min read
Shell Tool: Running System Commands from OpenAI Agents
Learn how to use the OpenAI Agents SDK ShellTool to give agents the ability to run system commands inside hosted containers, configure network policies, and manage container skills.
10 min read
Tool Search and Deferred Loading for Large Tool Sets
Learn how to use ToolSearchTool and defer_loading in the OpenAI Agents SDK to manage large tool inventories, reduce token usage, and dynamically load tools only when needed.
10 min read
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