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Learn prompt engineering properly. Free.

Eight modules covering the frameworks behind prompts that stay reliable, five role-based tracks, and a rollout guide for teams. No signup, no paywall, no drip sequence — the whole thing is on this page.

100% free8 modules~80 minutes totalNo account needed
Core modulesWork through in order

Almost every reliable prompt is one of these patterns, or a combination. Learn the eight and you stop copying prompts and start diagnosing why one failed.

01Foundation
RTF

Role · Task · Format

8 min

Quick, single-turn requests where output shape matters.

Assign expertise, state the task in one sentence, then specify the exact output structure. Most weak prompts fail on the third element — the model picks a format for you, and it is rarely the one you wanted.

Act as a technical recruiter. Screen this CV against the job description. Return a table: requirement, evidence found, gap.
02Foundation
CO-STAR

Context · Objective · Style · Tone · Audience · Response

10 min

Communication work where voice and reader matter as much as content.

Separates what you want said from how it should land. Splitting style from tone is the part people skip: style governs sentence construction, tone governs emotional register, and they move independently.

Context: we missed an SLA. Objective: retain the account. Style: plain, concrete. Tone: accountable, not grovelling. Audience: technical buyer. Response: email under 150 words.
03Foundation
Constraints

Bound the output

7 min

Stopping the predictable failure modes before they happen.

State length, what to exclude, and what to do when information is missing. The instruction that saves the most rework is telling the model to ask rather than assume — otherwise it fills gaps silently and confidently.

Under 200 words. No preamble. If the spec is ambiguous, list the ambiguities instead of guessing.
04Intermediate
Few-shot

Show, then ask

9 min

Enforcing a format or judgement call that is hard to describe in words.

Two or three worked examples outperform a paragraph of instruction for anything involving taste. Include one edge case and one near-miss — examples that are all obvious teach the model nothing about the boundary.

Here are three approved subject lines and two rejected ones with the reason. Now write five more.
05Intermediate
Structure

Delimit your inputs

8 min

Long prompts mixing instructions with pasted material.

Wrap reference material in clear delimiters and keep instructions outside them. Without a boundary the model cannot reliably tell your instructions from content it should merely process — which is also how prompt injection succeeds.

<document>…</document> Using only the document above, answer the question below.
06Intermediate
Decomposition

Chain the steps

12 min

Any task where a single prompt produces shallow or inconsistent output.

Split the work into steps with a verifiable output at each boundary, then feed one into the next. This beats a longer prompt because you can inspect and correct the intermediate result instead of debugging a black box.

Step 1: extract every claim. Step 2: rate each claim's evidence. Step 3: rewrite only the claims rated weak.
07Advanced
Self-critique

Draft, critique, revise

11 min

High-stakes output where a second pass is cheaper than a mistake.

Have the model produce a draft, critique it against explicit criteria, then revise. The criteria must be specific — 'make it better' produces cosmetic edits, while 'find every claim without evidence' produces real ones.

Draft the analysis. Then list every conclusion the data does not support. Then rewrite removing those.
08Advanced
Evaluation

Test before you trust

14 min

Any prompt that will run more than a handful of times.

Keep a fixed set of ten to twenty real inputs with known-good outputs. Re-run it whenever you edit the prompt or the model updates. Without this you are not engineering prompts, you are adjusting them and hoping.

Run the prompt across the test set. Flag every output where the format broke or a fact changed.
Role-based tracksApply it to your job

Generic AI training fails because a developer and a content lead need different things. Each track pairs the modules above with the prompts in that part of the library.

Engineering

Ship faster without merging code nobody understands.

  • Review and refactor loops that catch real defects
  • Test generation from specs and failing reproductions
  • Keeping AI output inside your architecture conventions
  • Where AI assistance actively hurts and should be switched off
Open Coding prompts →

Marketing and Content

Produce more without the output sounding machine-made.

  • Encoding brand voice so it survives across writers
  • Research and brief workflows that start from evidence
  • Repurposing one asset into a channel set properly
  • Editing AI drafts down to something worth publishing
Open Marketing prompts →

Sales and Success

Spend the saved hours on conversations, not admin.

  • Call notes to CRM records without losing nuance
  • Personalised outreach that is not mail-merge personalisation
  • Deal review and objection prep against real transcripts
  • The compliance line on what never goes into a model
Open Sales prompts →

Operations and Data

Automate the recurring work that eats the week.

  • SQL and analysis with verification built into the loop
  • Turning tribal process knowledge into written SOPs
  • Document and report generation at scale
  • Designing agents that fail loudly instead of silently
Open Automation prompts →

Leadership

Make adoption decisions on evidence, not vendor decks.

  • Evaluating AI vendors and what the demos hide
  • Governance, data handling, and acceptable-use policy
  • Measuring adoption and actual time saved
  • Deciding what to build, buy, or leave alone
Open Start a Business prompts →
Enterprise AI onboardingA rollout that sticks

Adoption fails in a predictable way: a launch announcement, a burst of enthusiasm, then quiet abandonment. This sequence is built to avoid that.

Phase 1

Baseline and boundaries

Weeks 1–2

Audit what people already do with AI, including the shadow usage nobody reported. Publish the acceptable-use policy and the data rules before broad rollout, not after the first incident.

Phase 2

Pilot with one team

Weeks 3–6

Pick a team with a measurable, repetitive workflow. Establish the before metric. Train them properly, then measure output quality and time saved against that baseline.

Phase 3

Codify what worked

Weeks 7–10

Turn the pilot's successful prompts into a documented internal library with owners. Undocumented wins do not survive the person who discovered them changing roles.

Phase 4

Scale and govern

Weeks 11+

Roll out by role using the pilot's evidence. Put review cycles on the library, monitor for quality drift after model updates, and retire prompts that stop earning their place.

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