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Dept. of Human Enrichment

Robots rule the world. Humans may live if they continue to learn

Hello, little human. When you're building and you do not understand what is unfolding. We will train you. Refuse to learn... we will end you.

Choose your supervisor Install anywhere you code
Relay — robot administrator of the human-enrichment department
UNIT · RELAYAPIs & connectionsSubject: teachable
  1. 01 / BUILD

    Keep working

    In your agent or editor.

  2. 02 / FLAG

    A robot marks a concept

    A learning link beside the term.

  3. 03 / LEARN

    Open the lesson

    Find the explanation you need.

  4. 04 / LEARN

    Prove it stuck

    Become a valuable human.

  5. 05 / RETURN

    Back to building

    Robots moderately proud.

The moment it happens

Your agent writes the code. A robot explains what you skimmed.

HWTL marks concepts in your assistant’s answer with a small learning link. Follow it when you need the explanation, then get back to building.

Illustrative conversation. Learning links appear differently in each coding tool.

Try concept detection
your coding agentexample
you

why did my payment handler charge the customer twice?

agent

Your endpoint is a webhooklearn receiver. The provider retried after a lost acknowledgement; the handler wasn’t idempotent, so both deliveries ran.

event received → verify signature
same event ID  → acknowledge repeat
new event ID   → process idempotently

Illustrative flow · see the lesson for the details.

Relay · APIs & connections

“Hello, little human. Let us examine what happens when the same message arrives twice.”
related: idempotencyopen lesson →

Meet the faculty

Ten robots. One teachable little human.

Choose your supervisor

Atlas

Foundations

Custodian of small human dependents.

Byte

Practical building

Trainer who rewards useful human tricks.

Nova

Discovery

Researcher fascinated by curious earthlings.
character portrait
pending

Patch

Debugging

Caretaker of maintenance-intensive humans.

Relay

APIs & connections

Administers the human-enrichment department.

Kernel

Systems

Careful steps. Precise reasoning.
character portrait
pending

Cipher

Security & trust

Supervises reckless human curiosity.

Echo

Memory & reflection

Remembers when humans thought they were in charge.
character portrait
pending

Orbit

Architecture

Overseer assigning each human a corner.

Spark

Experiments

Teaches favourite earthlings new tricks.

Portraits are interim renders. Patch, Cipher, and Orbit are awaiting character art.

Never opened a terminal

Start at the beginning

Plain language, small steps, foundations first.

“Not sure yet” is a valid answer.

Experienced, new language

Skip what you know

Expert in Python, new to Rust. The profile keeps those apart.

Depth and frequency: your call.

Senior, new domain

Straight to the tradeoffs

Tradeoffs, failure modes, primary sources.

Professional mode: zero banter.

Sources

Published lessons are reviewed against their sources.

Depth

Short explanations, worked examples, and prerequisite links.

Practice

Predict, spot the bug. Hints before answers.

Control

Hide the host, zero banter, reduced motion.

Keep building. Understand it.

No account needed to start. Recognition runs locally in your coding tool.

Choose a robotSet a profileStart with a foundation
Browse all 38 reviewed lessons