Independent workflow design reference

AI agent workflows that can explain, verify, and stop.

Learn the architecture, control patterns, and safety checks behind reliable AI agent workflows—without starting from a vendor pitch or a generic prompt.

ArchitectureOrchestrationAutomationVerification

Working definition

An AI agent workflow is a controlled process that gives one or more models bounded decisions, tools, and feedback.

The useful distinction is who controls the path. In a conventional workflow, code and rules decide the sequence. In an agent, the model dynamically directs more of its own process and tool use. An agentic workflow sits between those poles: the system keeps explicit boundaries while assigning selected decisions to a model.

This framing follows the architecture distinction used by Anthropic and is consistent with the workflow-versus-agent guidance in Microsoft Agent Framework and LangGraph.

SystemWho chooses the path?Best fitPrimary risk
Deterministic workflowPredefined in code or rulesStable, repeatable processesBrittle exceptions
Agentic workflowFixed boundaries with selected model-driven decisionsVariable work with verifiable outcomesHidden control gaps
Autonomous agentThe model directs much of the process and tool useOpen-ended tasks where the path cannot be hard-codedCompounding cost and error

Start with the system

The anatomy of an AI agent workflow

A workflow is more than a chain of prompts. It needs control, evidence, and a safe ending.

01

Trigger

An event, schedule, request, or state change starts the workflow.

02

Goal & context

Define the outcome, constraints, inputs, and knowledge the system can use.

03

Agents & tools

Assign reasoning, data access, actions, and permissions to the right components.

04

Control flow

Route, branch, retry, pause, or escalate as evidence changes.

05

Verification

Test outputs against rules, external signals, or an independent checker.

06

Stop or hand off

Finish on verified success—or stop safely with a useful blocked state.

Common workflow shapes

Use the least dynamic pattern that fits the task

These five patterns are composable. They are not a maturity ladder, and adding an agent does not automatically make a workflow better.

01

Prompt chaining

A fixed sequence where each step transforms or checks the previous output.

02

Routing

Classify an input, then send it to a specialized path, prompt, model, or toolset.

03

Parallelization

Run independent subtasks or multiple evaluations at once, then aggregate the results.

04

Orchestrator–workers

A central model decomposes an unpredictable task and synthesizes worker outputs.

05

Evaluator–optimizer

A generator and evaluator iterate against explicit criteria until they pass or stop.

Pattern names and boundaries are adapted from Anthropic's Building effective agents; Google ADK and LangGraph document comparable workflow implementations.

A practical quality gate

Before you call it an agent workflow

Use these checks before adding autonomy, more agents, or a larger model. If you cannot verify the outcome, adding another loop usually makes the system harder to trust.

  1. 01

    The goal describes an observable outcome, not an activity.

  2. 02

    Every tool has the minimum permissions it needs.

  3. 03

    State, memory, and source-of-truth data are clearly separated.

  4. 04

    Retries have limits, backoff, and an escalation path.

  5. 05

    High-impact actions require human approval.

  6. 06

    Success can be verified without trusting the same agent that produced it.

  7. 07

    The workflow has explicit stop and blocked conditions.

  8. 08

    Logs expose decisions, tool calls, cost, latency, and failure state.

How this site is built

Search demand sets the questions. Evidence shapes the answers.

AgentWorkflows.tools separates overlapping terms by real search intent, then turns each topic into diagrams, decision tools, and implementation boundaries. Pages are reviewed before they become indexable.

Primary sources

How this guide was checked

Reviewed against current first-party engineering guidance. Last updated .

  1. 01
    AnthropicBuilding effective agents

    Definitions, architecture patterns, and guidance on choosing the simplest effective system.

  2. 02
    MicrosoftMicrosoft Agent Framework overview

    Agent and workflow boundaries, graph control, checkpointing, and human-in-the-loop support.

  3. 03
    GoogleTemplate agent workflows — Agent Development Kit

    Sequential, parallel, loop, routing, and collaborative workflow implementations.

  4. 04
    LangChainWorkflows and agents — LangGraph

    Predetermined workflow paths, dynamic agents, and common composition patterns.