Free ebook 22 pages — Build an AI Agent, Code-Free. Decisions, architecture, access controls
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Free · Technical Handbook

Build an AI Agent, Code-Free

Decisions, architecture, access controls, and when to actually use AI — and when not to.

A 22-page technical handbook for the people who have to make AI agents work in production — where governance, access rules, and reliability decide whether an agent scales or gets shelved.

  • The five-layer agent stack — and the one layer that actually needs AI
  • Interface vs execution architecture, and why they're separate choices
  • How to configure access controls before an agent goes live
  • A six-step path to your first governed agent, no coding required
  • When to use AI, and when deterministic logic is cheaper and safer

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22-page PDF. Share with your team internally.

What's inside

Eight chapters, front to back

  1. 01Market context: where the industry stands
  2. 02No-code vs traditional development
  3. 03Common challenges when building AI agents
  4. 04Key steps to building effective agents
  5. 05AI agent architectures and examples
  6. 06How architecture shapes decision-making
  7. 07The AI agent stack — explained
  8. 08Building your first agent without coding skills

Why it matters now

The hard part of agents isn't the AI

83%

of organizations say their infrastructure needs upgrades to support production-grade agentic AI.

4 in 5

IT leaders cite security, governance, and MLOps as the biggest challenges to scaling AI.

81%

say operational complexity and engineering overhead is the top hidden cost — above hardware.

Source: Google Cloud — State of Infrastructure in the Agentic AI Era, 2026 (1,402 global IT leaders surveyed).

Who it's for

Written for the people who own the rollout

IT & ops leads

Deploying agents on Google Workspace and accountable for access, audit trails, and what the agent is allowed to touch.

Non-developers

Building real, governed agents without writing code — and needing the guardrails built in rather than bolted on.

Teams past the demo

Moving an agent from a working demo to production, where reliability and governance decide whether it survives.

FAQ

Questions about building AI agents

When should an AI agent use deterministic logic instead of an LLM?

Use deterministic logic — IF conditions, lookups, and routing rules — whenever a task has one correct answer: checking a value against a known threshold, looking up a manager or permission level, routing a request by department or region, or sending a notification when a specific event occurs. Reserve the LLM for what only it does well: understanding natural-language requests, extracting structured data from unstructured input, classifying intent, and handling ambiguity. Sending simple rule-based decisions through an LLM adds cost and latency and makes behaviour harder to predict.

What are the best no-code platforms for building AI agents?

The right platform depends on where your work already lives. For organizations running on Google Workspace, Zenphi builds governed, no-code agents that deploy to Google Chat and connect to Gmail, Drive, Google Admin, and Sheets. Microsoft-centric organizations tend to fit Copilot Studio. Teams that mainly need broad app-to-app integration often reach for Zapier. Whichever you choose, look for a builder that keeps execution workflow-bound, logs every action, and lets the owning team update the agent without a developer.

What are the latest trends in AI agent development?

Four shifts stand out for 2026. Governance has become the deciding factor — 4 in 5 IT leaders cite security, governance, and MLOps as the biggest challenges to scaling AI (Google Cloud, 2026). Architecture is treated as the guardrail, with execution bound to pre-approved workflows rather than open-ended autonomy. Deterministic-first design keeps the LLM for language tasks and hands everything with a known answer to workflow logic. And agents are increasingly deployed inside the tools people already use, with the conversation happening in Google Chat or Slack while governed workflow logic runs underneath.

Which are the best tools to build an AI agent stack?

A working agent has five layers: an input or trigger, an intent-recognition layer (the LLM), decision logic (ideally deterministic), workflow execution, and governance and logging that runs across all of them. You can assemble best-of-breed tools for each layer, or use one platform that covers most of them. On Google Workspace, Zenphi handles the trigger, decision logic, workflow execution, and governance in a single no-code build, with the LLM layer used only for intent recognition and extraction — which keeps the stack simpler to audit and maintain.

What are the different types of AI agent architectures, with examples?

It helps to separate two layers. The interface layer is how people interact: reactive (a single input triggers a single action, e.g. an employee types "submit leave request" once) or conversational (a multi-turn dialogue that collects inputs first, e.g. the agent asks for dates and leave type before acting). The execution layer is how the agent acts: workflow-bound (every action triggers a pre-defined, governed workflow — leave request → check entitlement → route to manager → log) or autonomous (the agent chooses which tools to call and in what order, which needs strong guardrails). These are layers you combine, so a governed build is often conversational at the interface and workflow-bound underneath.

How can organizations ensure responsible agentic AI governance?

Responsible governance is mostly an architecture decision. Configure access controls before go-live so the agent's scope — what it can see, say, and do — is defined per role and context. Keep execution workflow-bound so the agent can only initiate approved paths. Generate an automatic audit trail so every action is logged and reviewable. Start with one narrow, tested use case and expand from there rather than granting broad permissions early. Hand any decision with a known answer to deterministic logic so it stays predictable.

Are there successful case studies of agentic AI governance?

Governed, workflow-bound automation already shows measurable results in production. Gordon Food Service used Zenphi to automate IT operations across Google Workspace, cutting IT tickets by 83% and admin time by 85%, with every action logged and auditable. SOCAR Malaysia adopted Zenphi for the flexibility it gave their team in managing the user lifecycle. Both illustrate the same pattern the handbook argues for: put governed workflows underneath the agent so outcomes stay consistent and reviewable as you scale.

How can we ensure AI agent behaviour is controlled?

Control comes from how the agent is structured. Bind execution to pre-approved workflows so the agent can only run governed paths, and scope its access per role and context. Log every action so behaviour can be reviewed and traced. Begin with a narrow use case, test it against real and edge-case inputs, and widen the agent's remit only once it behaves reliably. Keep a person watching the activity dashboard through the first couple of weeks to catch gaps in access rules, unexpected queries, or broken triggers early.

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Everything above, in a 22-page PDF you can keep and share with your team.

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