Agents
Agent Testing: Simulation and Replay
Test AI agents with execution recording, deterministic replay, simulated tools, property-based testing, and regression d...
Building Agent APIs with Express.js
Build REST APIs for AI agents with Express.js including session management, SSE streaming, authentication, and rate limi...
Agent Sandboxing and Security
Secure AI agents with process sandboxing, resource limits, permission systems, and audit logging in Node.js....
Workflow Agents for Business Process Automation
Build workflow agents that automate business processes with LLM-powered classification, routing, and multi-step executio...
Code Generation Agents: Architecture and Implementation
Build code generation agents with sandbox execution, test-driven generation, iterative refinement, and git integration i...
Building a Research Agent with Web Search
Build a research agent that searches the web, reads sources, synthesizes findings, and produces cited reports in Node.js...
Observability for AI Agent Systems
Build observability for AI agents with structured logging, OpenTelemetry tracing, metrics collection, and dashboards in ...
Agent State Persistence with PostgreSQL
Persist AI agent state with PostgreSQL including session management, checkpointing, execution traces, and resume capabil...
Error Recovery Patterns in AI Agents
Build resilient AI agents with checkpoint/resume, automatic retry, rollback, self-healing, and supervision patterns in N...
Cost Management for Agent-Based Systems
Control AI agent costs with per-task budgets, model tiering, early termination, cost tracking, and optimization strategi...
Deploying AI Agents in Production
Deploy AI agents to production with Docker, queue-based scaling, health checks, graceful shutdown, and structured loggin...
Agent Evaluation Methods and Benchmarks
Evaluate AI agents with task completion metrics, LLM-as-judge scoring, regression testing, and benchmark suites in Node....
Human-in-the-Loop Patterns for AI Agents
Implement human oversight for AI agents with approval gates, confidence routing, escalation, and audit trails in Node.js...
Planning and Reasoning in AI Agents
Build planning and reasoning capabilities for AI agents with task decomposition, tree-of-thought, replanning, and adapti...
Agent Memory Systems: Short-Term and Long-Term
Build agent memory systems with short-term buffers, long-term PostgreSQL storage, episodic/semantic memory, and vector r...
Tool Selection Strategies for AI Agents
Strategies for managing AI agent tool sets including dynamic loading, relevance scoring, permissions, and usage analytic...
Implementing the ReAct Framework in Node.js
Build a ReAct (Reasoning + Acting) agent framework in Node.js with tool integration, observation feedback, and multi-ste...
Multi-Agent Systems: Coordination and Communication
Build multi-agent systems with message buses, role-based design, debate patterns, and supervisor coordination in Node.js...
Agent Orchestration Patterns for Complex Tasks
Orchestration patterns for AI agents including sequential pipelines, parallel fan-out, hierarchical delegation, and DAG-...
Building Autonomous Agents with Node.js
A hands-on guide to building autonomous AI agents in Node.js, covering the ReAct loop, tool registries, LLM integration,...