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Open PracticePRACTICAL AI ENGINEERING
OPEN PRACTICE / LIBRARY

The open stacks.

Open templates, sample data, code starters, and visual assets. Download, adapt, and build. One entry per resource, with handbook and practice-pack formats grouped together. All resources below are original platform materials licensed CC BY 4.0.

No paywalls. No registration required to download. Give credit, mark changes, and inspect code before running it. The expense dataset is fictional.

55 resources · download formats grouped together

Prompt design & verification kit — illustrated resource cover
Prompt kit · MD

Prompt design & verification kit

A reusable task brief, evidence table, and output-review checklist.

Licence: CC BY 4.0

Fictional expenses dataset — illustrated resource cover
Dataset · CSV

Fictional expenses dataset

A small CSV with known totals for practising spreadsheet formulas.

Licence: CC BY 4.0

Cloud provider evaluation worksheet — illustrated resource cover
Worksheet · MD

Cloud provider evaluation worksheet

Check allowed use, quotas, data handling, model access, and failures before integration.

Licence: CC BY 4.0

Practical project build log — illustrated resource cover
Template · MD

Practical project build log

Document acceptance tests, evidence, limitations, and the next improvement.

Licence: CC BY 4.0

Offline quote calculator starter — illustrated resource cover
Code starter · HTML

Offline quote calculator starter

A self-contained HTML calculator with labelled fields and basic validation.

Licence: CC BY 4.0

Approval-first automation checklist — illustrated resource cover
Checklist · MD

Approval-first automation checklist

Map inputs, permissions, retries, duplicate protection, and the emergency stop.

Licence: CC BY 4.0

Build → test → improve — illustrated resource cover
Visual asset · SVG

Build → test → improve

Reusable original SVG diagram for your learning notes, projects, and presentations.

Preview the downloadable diagramBuild → test → improve — downloadable diagram

Licence: CC BY 4.0

Keep your AI keys out of exports — illustrated resource cover
Visual asset · SVG

Keep your AI keys out of exports

Reusable original SVG diagram for your learning notes, projects, and presentations.

Preview the downloadable diagramKeep your AI keys out of exports — downloadable diagram

Licence: CC BY 4.0

Take your learning offline — illustrated resource cover
Visual asset · SVG

Take your learning offline

Reusable original SVG diagram for your learning notes, projects, and presentations.

Preview the downloadable diagramTake your learning offline — downloadable diagram

Licence: CC BY 4.0

AI, without the guesswork — illustrated resource cover
Build path resources · MD + ZIP

AI, without the guesswork

Write a reliable research brief. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Your first business assistant — illustrated resource cover
Build path resources · MD + ZIP

Your first business assistant

Build a customer-reply prompt kit. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Make messy data useful — illustrated resource cover
Build path resources · MD + ZIP

Make messy data useful

Create a checked expense summary. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

From idea to working page — illustrated resource cover
Build path resources · MD + ZIP

From idea to working page

Publish a useful one-page tool. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Automate the boring bit—safely — illustrated resource cover
Build path resources · MD + ZIP

Automate the boring bit—safely

Design an approval-first workflow. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Understand the AI plumbing — illustrated resource cover
Build path resources · MD + ZIP

Understand the AI plumbing

Build an endpoint evaluation checklist. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

A cloud lab someone else can rerun — illustrated resource cover
Build path resources · MD + ZIP

A cloud lab someone else can rerun

Ship a reproducibility bundle with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Direct an illustration with a measurable brief — illustrated resource cover
Build path resources · MD + ZIP

Direct an illustration with a measurable brief

Deliver an approved visual pack with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Build a prediction and an honest baseline — illustrated resource cover
Build path resources · MD + ZIP

Build a prediction and an honest baseline

Ship a model card and test record with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Compare generations without moving the goalposts — illustrated resource cover
Build path resources · MD + ZIP

Compare generations without moving the goalposts

Publish a comparison with limits with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Make a document assistant that knows when to stop — illustrated resource cover
Build path resources · MD + ZIP

Make a document assistant that knows when to stop

Hand off a bounded assistant with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Turn records into a tested Python report — illustrated resource cover
Build path resources · MD + ZIP

Turn records into a tested Python report

Package a script another learner can inspect with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Test one AI claim in the real world — illustrated resource cover
Build path resources · MD + ZIP

Test one AI claim in the real world

Keep an evidence-based verdict with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Build an FAQ assistant with a human exit — illustrated resource cover
Build path resources · MD + ZIP

Build an FAQ assistant with a human exit

Ship a conversation playbook with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Build a report that reconciles to its source — illustrated resource cover
Build path resources · MD + ZIP

Build a report that reconciles to its source

Deliver an auditable report pack with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Measure an algorithm instead of guessing — illustrated resource cover
Build path resources · MD + ZIP

Measure an algorithm instead of guessing

Ship a correctness and complexity note with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Plan a timetable that obeys its constraints — illustrated resource cover
Build path resources · MD + ZIP

Plan a timetable that obeys its constraints

Deliver a verified planning sandbox with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

See a gradient step succeed—and fail — illustrated resource cover
Build path resources · MD + ZIP

See a gradient step succeed—and fail

Ship an inspectable optimisation notebook with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Connect an AI API without trusting every response — illustrated resource cover
Build path resources · MD + ZIP

Connect an AI API without trusting every response

Ship an integration with a teardown note with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Augment training data without contaminating the test — illustrated resource cover
Build path resources · MD + ZIP

Augment training data without contaminating the test

Deliver a leakage audit with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Classify feedback with an uncertainty bucket — illustrated resource cover
Build path resources · MD + ZIP

Classify feedback with an uncertainty bucket

Ship an annotation and error guide with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Report uncertainty instead of fake precision — illustrated resource cover
Build path resources · MD + ZIP

Report uncertainty instead of fake precision

Deliver a cautious quantitative brief with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Make a reversible stock-planning decision — illustrated resource cover
Build path resources · MD + ZIP

Make a reversible stock-planning decision

Deliver a planning dashboard with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Build a small project plan you can verify — illustrated resource cover
Build path resources · MD + ZIP

Build a small project plan you can verify

Deliver a plan and retrospective template with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Repair dirty records without inventing facts — illustrated resource cover
Build path resources · MD + ZIP

Repair dirty records without inventing facts

Ship a repair kit and audit trail with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Fit a regression and inspect its residuals — illustrated resource cover
Build path resources · MD + ZIP

Fit a regression and inspect its residuals

Ship a supervised experiment record with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Build a preprocessing step that cannot see the future — illustrated resource cover
Build path resources · MD + ZIP

Build a preprocessing step that cannot see the future

Ship a leakage-resistant pipeline contract with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Audit a tool with evidence, not an ethics slogan — illustrated resource cover
Build path resources · MD + ZIP

Audit a tool with evidence, not an ethics slogan

Deliver a reviewable risk record with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Measure whether a workflow actually saves time — illustrated resource cover
Build path resources · MD + ZIP

Measure whether a workflow actually saves time

Deliver a measured recommendation with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Join two datasets without multiplying the truth — illustrated resource cover
Build path resources · MD + ZIP

Join two datasets without multiplying the truth

Deliver a wrangling pipeline with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Use a pipeline and a genuinely held-out set — illustrated resource cover
Build path resources · MD + ZIP

Use a pipeline and a genuinely held-out set

Ship a versioned experiment bundle with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Make cleaning decisions testable with Pandas — illustrated resource cover
Build path resources · MD + ZIP

Make cleaning decisions testable with Pandas

Ship tests with the cleaner with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Create a campaign pack without invented performance — illustrated resource cover
Build path resources · MD + ZIP

Create a campaign pack without invented performance

Deliver a campaign evidence pack with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Make charts that tell the checked truth — illustrated resource cover
Build path resources · MD + ZIP

Make charts that tell the checked truth

Deliver a chart and decision brief with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Find clusters—and show why they are not facts — illustrated resource cover
Build path resources · MD + ZIP

Find clusters—and show why they are not facts

Ship a clustering exploration note with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Make Mula: useful work, honest offers — illustrated resource cover
Build path resources · MD + ZIP

Make Mula: useful work, honest offers

Decide from actual evidence with inputs, tests and a reproducible handoff.. Includes the complete handbook and a practice pack with inputs, reference outputs and test fixtures.

Licence: CC BY 4.0

Prompt craft — five-activity visual practice pack — illustrated resource cover
Guided activity collection · ZIP

Prompt craft — five-activity visual practice pack

Five full activity handbooks, fictional inputs, illustrated covers, four-stage visual guides and an evidence ledger.

Licence: CC BY 4.0

Learning & reasoning — five-activity visual practice pack — illustrated resource cover
Guided activity collection · ZIP

Learning & reasoning — five-activity visual practice pack

Five full activity handbooks, fictional inputs, illustrated covers, four-stage visual guides and an evidence ledger.

Licence: CC BY 4.0

Data & structures — five-activity visual practice pack — illustrated resource cover
Guided activity collection · ZIP

Data & structures — five-activity visual practice pack

Five full activity handbooks, fictional inputs, illustrated covers, four-stage visual guides and an evidence ledger.

Licence: CC BY 4.0

Vision & image editing — five-activity visual practice pack — illustrated resource cover
Guided activity collection · ZIP

Vision & image editing — five-activity visual practice pack

Five full activity handbooks, fictional inputs, illustrated covers, four-stage visual guides and an evidence ledger.

Licence: CC BY 4.0

Creative production — five-activity visual practice pack — illustrated resource cover
Guided activity collection · ZIP

Creative production — five-activity visual practice pack

Five full activity handbooks, fictional inputs, illustrated covers, four-stage visual guides and an evidence ledger.

Licence: CC BY 4.0

Assistants & workflows — five-activity visual practice pack — illustrated resource cover
Guided activity collection · ZIP

Assistants & workflows — five-activity visual practice pack

Five full activity handbooks, fictional inputs, illustrated covers, four-stage visual guides and an evidence ledger.

Licence: CC BY 4.0

Research & evidence — five-activity visual practice pack — illustrated resource cover
Guided activity collection · ZIP

Research & evidence — five-activity visual practice pack

Five full activity handbooks, fictional inputs, illustrated covers, four-stage visual guides and an evidence ledger.

Licence: CC BY 4.0

Workplace writing — five-activity visual practice pack — illustrated resource cover
Guided activity collection · ZIP

Workplace writing — five-activity visual practice pack

Five full activity handbooks, fictional inputs, illustrated covers, four-stage visual guides and an evidence ledger.

Licence: CC BY 4.0

Design & decisions — five-activity visual practice pack — illustrated resource cover
Guided activity collection · ZIP

Design & decisions — five-activity visual practice pack

Five full activity handbooks, fictional inputs, illustrated covers, four-stage visual guides and an evidence ledger.

Licence: CC BY 4.0

Verify before you trust — five-activity visual practice pack — illustrated resource cover
Guided activity collection · ZIP

Verify before you trust — five-activity visual practice pack

Five full activity handbooks, fictional inputs, illustrated covers, four-stage visual guides and an evidence ledger.

Licence: CC BY 4.0