explainai
Coming soon

From One Agent to Ten

You've got one agent working. Here's how to run ten without losing control of the code. 11 sections, 67 lessons. Sections 00 and 01 will be free.

00 Before We StartFree 6 lessons
  1. 00.01 Where We're Going explainer
  2. 00.02 How To Take This Courselesson types, checkpoints, reset explainer
  3. 00.03 Any Harness, Any Language explainer
  4. 00.04 Setting Up Belay exercise
  5. 00.05 Running The Acceptance Suite exercise
  6. 00.06 Your One-Agent Baselinefix one small ticket with one agent and record time and cost; section 10 compares against it exercise
01 ConceptsFreeno code 8 lessons
  1. 01.01 The Bottleneck Moves To You explainer
  2. 01.02 Output Isn't Progress explainer
  3. 01.03 Context Is The Ceiling explainer
  4. 01.04 Environment Over Model explainer
  5. 01.05 Claims Versus Proof explainer
  6. 01.06 Parallel Work Needs Work That Splits explainer
  7. 01.07 Models, Tiers And What They Cost explainer
  8. 01.08 The Trust Ladder explainer
02 A Codebase Many Agents Can Work In 6 lessons
  1. 02.01 Can Your Agent Run The App? exercise
  2. 02.02 One Command Checks Everything exercise
  3. 02.03 Ten Copies At Once: ports, databases, scratch environments exercise
  4. 02.04 Let It See What It Built: screenshots exercise
  5. 02.05 One Word, One Meaning: the glossary as AGENTS.md exercise
  6. 02.06 Checkpoint checkpoint
03 Proof, Not Claims 8 lessons
  1. 03.01 Your Agent Says It's Fixed. Prove It. exercise
  2. 03.02 Fail Firstreproduce the bug before any fix exercise
  3. 03.03 Fifty Bookings At Onceconcurrency tests exercise
  4. 03.04 The Weekend The Clocks Change exercise
  5. 03.05 Tests That Liehard-coded returns, chained commands hiding exit codes explainer
  6. 03.06 Evidence In The Pull Request exercise
  7. 03.07 Watch Me Catch One walkthrough
  8. 03.08 Checkpoint checkpoint
04 Context Is The Ceiling 6 lessons
  1. 04.01 One Session Per Stage explainer
  2. 04.02 The Handoff Brief exercise
  3. 04.03 Memory As A Runbook exercise
  4. 04.04 Context Files Are Codereview them, test them for drift exercise
  5. 04.05 Fresh Session Or Keep Going? explainer
  6. 04.06 Checkpoint checkpoint
05 Slicing Parallel Work 8 lessons
  1. 05.01 From Backlog To Independent Tickets exercise
  2. 05.02 Thin Slice First exercise
  3. 05.03 One Worktree Per Agent exercise
  4. 05.04 Where Agents Collide: shared files, migrations, the lockfile explainer
  5. 05.05 Stacked Pull Requests exercise
  6. 05.06 A Demo Sentence And A Build Budget exercise
  7. 05.07 Three Agents, One Afternoon walkthrough
  8. 05.08 Checkpoint checkpoint
06 Roles And Model Tiers 6 lessons
  1. 06.01 Orchestrator, Planner, Implementer, Reviewer explainer
  2. 06.02 Is The Small Model Good Enough? Measure It exercise
  3. 06.03 A Reviewer From Another Family exercise
  4. 06.04 Effort Is A Dial explainer
  5. 06.05 Cost Per Ticket exercise
  6. 06.06 Checkpoint checkpoint
07 Review When Nobody Reads Every Line 6 lessons
  1. 07.01 Which Files Need A Human?risk-based review exercise
  2. 07.02 Green On The Combined Resultmerge gates exercise
  3. 07.03 The Autonomy Agreementwhen agents may merge, and what stops them exercise
  4. 07.04 Reading A Change You Didn't Write explainer
  5. 07.05 The Security Bug Nobody Saw exercise
  6. 07.06 Checkpoint checkpoint
08 Agents On A Schedule 4 lessons
  1. 08.01 Untrusted Input Is Read-Only explainer
  2. 08.02 Research, Proposal, Approval, Pull Request exercise
  3. 08.03 Agents That Watch CI exercise
  4. 08.04 Checkpoint checkpoint
09 Measure Outcomes, Not Output 5 lessons
  1. 09.01 Pull Request Count Measures Effort explainer
  2. 09.02 Yield, Cost And Human Touches exercise
  3. 09.03 Measure Before It Optimisesthe slow report exercise
  4. 09.04 The Honest Retrospective explainer
  5. 09.05 Checkpoint checkpoint
10 Run Ten 4 lessons
  1. 10.01 The Capstone Brief explainer
  2. 10.02 Empty The Backlogrun a fleet on what's left exercise
  3. 10.03 Against Your Baselinecompare with 00.06 exercise
  4. 10.04 Where You Go From Here explainer

Coming soon

The first two sections will be free. We're building the course now, starting with the lesson Your Agent Says It's Fixed. Prove It.

Read the outline