PRACTICAL AI FIELD GUIDES
Guides for building useful, reliable AI experiences
Explore practical articles on AI agents, RAG, integrations, security, and operations. Browse by topic or search for the question you need answered.
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AI Agents
Design useful agents, choose the right level of autonomy, and plan safe human handoffs.
RAG & Data
Make business knowledge searchable with sound retrieval, evaluation, and data practices.
Integrations
Connect assistants to websites, APIs, CRMs, and the tools your team already uses.
Security & Privacy
Set trust boundaries, protect customer data, and design safer AI workflows.
Industry & Applications
See how AI assistants fit real customer and operational workflows.
Evaluation & Operations
Measure quality, monitor production behaviour, and keep improving over time.
Latest articles
Explore new ideas and practical guidance from the ChatNexus library.
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AI Agent Pilot Success Criteria
How to define measurable AI agent pilot goals for quality, safety, cost, user experience, and a clear expand or stop decision. Read guide
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WhatsApp AI Agents: Use Cases, Limits and Escalation Design
How to design a useful WhatsApp AI agent with focused use cases, safe identity checks, concise messages, and human escalation. Read guide
2 min read -
Monitoring Agent Drift After Launch
How to detect changes in data, users, tools, and model behaviour before an AI agent quietly stops meeting its service contract. Read guide
2 min read -
A2A Agent Cards and Capability Discovery Explained
A practical explanation of A2A Agent Cards, discovery, capabilities, authentication, and the limits of delegation. Read guide
2 min read -
Designing Tool Schemas Agents Can Use Reliably
How to design narrow, typed, observable tool interfaces that AI agents can call safely and recover from predictably. Read guide
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How to Calculate the ROI of a Business AI Agent
A grounded framework for comparing agent costs with time, quality, capacity, and revenue outcomes. Read guide
2 min read -
AI Agent Requirements Document Template
A practical template for defining users, outcomes, data, tools, permissions, evaluation, and ownership before building an AI agent. Read guide
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Choosing Between a Hosted Agent and a Custom Agent
A practical comparison of hosted, custom, and hybrid AI agents for businesses planning a reliable first deployment. Read guide
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What an AI Agent Should Never Be Allowed to Do
The core security and governance boundaries for tool-using AI agents, from secrets and private data to irreversible actions. Read guide
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AI Automation Readiness Checklist for Small Businesses
A practical checklist for deciding whether a small-business workflow is ready for an AI agent or needs better foundations first. Read guide
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AI Agent Costs: Models, Tools, Hosting and Maintenance
A practical way to estimate AI agent cost beyond token pricing, including tools, hosting, review time, monitoring, and maintenance. Read guide
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Build vs Buy for Business AI Agents
How to decide which parts of a business AI agent to buy, configure, or build and operate yourself. Read guide
2 min read