🛠️Build It End to End

Beginner to Hero: Agentic AI Development: full course guide

Build an agent that does real work: the agent loop, tool design and permissions, testing trajectories without burning tokens, evaluating task success and cost, and deploying with budgets, approval paths and a kill switch.

93 pages5 modules25 topics

Beginner to Advanced · read it in your browser with Skiiling Pro.

Beta

Loading the reader…

What is inside this guide

01Getting Set Up

  • What Makes a System Agentic, and When Not to Build One
  • The Agent Loop: Plan, Act, Observe, Decide
  • Choosing a Framework, or Deliberately Using None
  • Project Layout, Configuration and the Local Harness
  • Your First Tool-Using Agent, End to End

02The Development Framework

  • Tool Design: Schemas, Errors and Idempotency
  • State, Memory and What the Agent Is Allowed to Remember
  • Planning, Decomposition and Step Limits
  • Multi-Agent Handoffs and When One Agent Is Enough
  • Permissions: Containing Untrusted Input With Capability, Not Wording

03The Testing Framework

  • Unit-Testing Tools Without Calling the Model
  • Replaying Recorded Trajectories as Fixtures
  • Simulated Environments and Fake Downstreams
  • Testing Failure: Timeouts, Loops and Bad Tool Output
  • Testing the Guardrails, Including Injection Resistance

04The Evaluation Framework

  • Task Success, Step Efficiency and Cost per Completed Task
  • Building a Benchmark From Your Own Traffic
  • Trajectory Evaluation Versus Final-Answer Evaluation
  • Judging Agents With Models, and Auditing the Judge
  • Safety and Refusal Evaluation as a First-Class Suite

05The Deployment Framework

  • Running Long Tasks: Queues, Workers and Durability
  • Human-in-the-Loop Approval and Escalation Paths
  • Tracing an Agent Run So an Incident Is Answerable
  • Budgets, Kill Switches and Blast-Radius Limits
  • Rollout, Shadow Mode and Measuring Real Impact

How to read it

The reader above opens the complete guide in your browser. The contents panel on the left is built from the guide's own bookmarks, so every module and topic is one click away. You can search the full text, zoom, and highlight passages in four colours; highlights and your reading position are remembered on this device.

Reading the guides is part of Skiiling Pro, the one web subscription that also unlocks Role Prep and Practical Labs and Skill Plans. The syllabus above is free to browse. See pricing.