00 AI basics for developers
Tokens, LLMs, context window, harness engineering
sub-modules
Pro
Passed
Claude Code Course
6 months ahead, in a few hours.
Ship in a day what your teammates ship in a week. It's not magic, it's a system. It's called harness engineering.
17
modules
+200
code examples
Free
to get started
$ claude "Implement ticket PROJ-247"
↳ MCP jira.get_issue PROJ-247
PROJ-247 Refactor auth module
Priority: High · Assignee: thomas.p · Sprint 34
↳ Skill activated: feature-dev
reading src/lib/auth.ts (142 lines)
reading tests/auth.spec.ts (88 lines)
src/lib/auth.ts
- export function verifyToken(token: string) {
+ export async function verifyToken(
+ token: string,
+ options?: AuthOptions
+ ) {
↳ Hook post-edit: lint + tests
✓ eslint 0 errors
✓ vitest 24 passed
↳ Commit feat(auth): typed verifyToken + options
3 files · +47 −12 · 1 commit
$
❄ Opus 5.5 | Context: 33% | Session: 38.0%
⎇ feat/PROJ-247-auth
▸▸ auto mode on · 1 shell
● main
○ general-purposeWriting tests for verifyToken
○ code-reviewerReviewing auth.ts diff
Senior Android engineer at Accor, Claude Code in production every day.
He built this course to pass on the methods that genuinely save time.
Six layers, one loop.
The harness is the layer wrapped around the model: hooks, permissions, tools, memory. It is what separates an LLM that answers from a real collaborator. We show you, layer by layer, how to set it up on your codebase in one afternoon.
- INPUT
Intent
Translate a human need into a clear contract for the machine. No hacked prompts, briefs that hold up.
- Canonical brief
- Acceptance criteria
- Doubt protocol
- MEMORY
Context
Give Claude the same view you have: codebase, tickets, conventions, past decisions. A million tokens, well spent.
- CLAUDE.md
- Semantic index
- Decision log
- MCP
Tooling
Wire up the systems that matter: Jira, GitHub, staging database, Linear, Figma.
- MCP servers
- Scoped auth
- Audit trail
- SKILLS
Skills
Skills = activatable know-how. A style, a procedure, a coded checklist. You pick the mode, not the words.
- feature-dev
- deep-review
- post-mortem
- ops
- HOOKS
Guardrails
Every Claude keystroke, a hook verifies. Lint, tests, types, security policy. Error → Fix
- pre-tool
- post-edit
- pre-commit
- policy
- SHIP
Shipping
Signed PR, changelog written, ticket closed. The loop closes on itself.
- Draft PR
- Auto changelog
- Deploy preview
17 modules. +200 code examples.
Everything you need to master Claude Code.
From AI beginner to augmented developer. Each module unlocks a new superpower.
01 Models & CLI overview
Claude, GPT, Gemini, Codex CLI, Cursor, Copilot
sub-modules
Pro
Passed
02 Claude Code fundamentals
Installation, agentic loop, CLAUDE.md, plan mode
sub-modules
Pro
Passed
03 Advanced configuration
Settings, permissions, sandbox, memory, models
sub-modules
Pro
Passed
Do in one hour
what others do
in one day.
Skills, hooks, MCP, subagents — the full harness to industrialise Claude Code.
Course One-time payment
€89 €89 excl. VAT
VAT added at checkout for EU customers
Full access, updates included. For life.
- 17 complete modules
- +200 code examples
- Lifetime updates
- Instant access
- Certificate of completion
Secure payment via Stripe · No subscription · Lifetime access
Tailored For engineering teams
Team enablement
Custom quote
Your team already uses Claude Code. Let's take it to production-grade.
- Audit of your practices
- On-site or remote training, tuned to your stack
- 1:1 coaching for your SWEs
- Skills, hooks and routines setup
Led by Thomas Poulain, who uses Claude Code in production every day.
Get your employer to pay
Invoice in your company's name, with its VAT number. EU businesses with a valid VAT number pay no VAT (reverse charge).
Between client projects? A good time to get up to speed on Claude Code, now expected in interviews and on client work.
Draft the email to my managerNot sure yet?
Module 00 is completely free — no card, no signup. Start there and judge the depth for yourself.
Start the free moduleFrequently asked questions
Who is this for?
Developers who already use — or want to seriously adopt — Claude Code in their daily work. From first setup to advanced agents, MCP and team workflows.
I'm just getting started — is it too advanced?
No. Module 00 covers the AI fundamentals from scratch (free), then the path builds up step by step to advanced use.
How do I get access after paying?
Instantly. You get access right after checkout, plus an email link to come back anytime, on any device.
Are updates included?
Yes. Claude Code moves fast — you get every update to the course, for life, at no extra cost.
Can I try before buying?
Yes. The entire first module is free, no card required. It's the best way to judge the depth before you pay.
Can my company pay?
Yes. At checkout, say you're buying as a business and enter its legal name and VAT number: the invoice is issued in the company's name and sent by email. EU businesses outside France with a valid VAT number are invoiced without VAT (reverse charge); French businesses recover the 20% VAT.
I'm between client projects — is this for me?
Yes. Time between projects is the right moment to get up to speed on Claude Code, now expected in client interviews and on projects. The course is self-paced (17 modules): start with the free module to see if it fits.
Get the Claude Code cheatsheet
Every essential command, shortcut and best practice on a single page. Plus my Claude Code tips and updates, straight to your inbox.