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product-risk-register-builder

Build-an-X workflow that produces a product-level risk register catalogue - per-feature / per-component product risks (functionality, performance, security, usability, compatibility, reliability) that persist across releases, distinct from per-release risk matrices. Walks the author through risk identification by ISO 25010 quality characteristic, scoring per impact × likelihood, and linking each register entry to mitigations + owners + review cadence. Output is a Markdown register the team reviews quarterly and that seeds release-level risk matrices. Use for long-lived product-quality risks; complements risk-matrix for per-release risks.

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product-risk-register-builder

Overview

The product risk register catalogs long-lived product-quality risks - risks tied to the product's architecture, domain, and user base that persist across releases. Distinct from the per-release risk matrix (risk-matrix) which captures release-scoped risks. Both feed risk-based test selection and planning.

Per ISTQB CTAL-TM syllabus chapter 5 on risk-based testing and ISO 31000:2018 (risk management) - cite by stable ID; ISO behind paywall.

When to use

  • Onboarding a new test lead - establish the product-quality risk baseline.
  • Quarterly product-quality review - re-score persistent risks.
  • Compliance audit - document long-lived product risks beyond the current release.
  • Seeding a new release's risk-matrix - copy persistent risks forward, add release-specific ones.

Step 1 - Identify risks by quality characteristic

Walk through ISO 25010 quality characteristics. For each, ask: "What could go wrong here in this product?"

CharacteristicExample product risks
Functional suitabilityCore business logic incorrectness (pricing, tax, compliance calculations)
Performance efficiencySustained load failure; large-dataset slowness; cold-start latency
CompatibilityBrowser / OS / device fragmentation; third-party API drift
UsabilityAccessibility (WCAG conformance); learnability for new users; error messaging
ReliabilityRecovery from upstream failures; data durability; transactional integrity
SecurityAuth / authz; PII exposure; injection vulnerabilities; supply chain
MaintainabilityTech debt accumulating in critical paths; test brittleness
PortabilityMigration between cloud providers; export/import data integrity

Per ISO/IEC 25010:2023 quality model (cite by stable ID).

Aim for 15-30 product-level risks. Fewer than 10 = too sparse; more than 50 = mix with per-release risks.

Step 2 - Score per impact × likelihood

Use the same 1-5 scale as risk-matrix. Score is impact × likelihood:

ScoreTierAction
15-25CriticalContinuous monitoring + multiple mitigations + quarterly review
10-14HighAt least one strong mitigation + annual review
5-9MediumDocumented mitigation strategy + biannual review
1-4LowAcknowledged; mitigation optional

Step 3 - Document the register

# Product risk register - <product-name>

**Last reviewed:** YYYY-MM-DD  **Owner:** <name>  **Next review:** YYYY-MM-DD

## Active risks (n=22)

| ID | Category (ISO 25010) | Risk | Impact | Likelihood | Score | Mitigation(s) | Owner | Last review |
|---|---|---|---:|---:|---:|---|---|---|
| PR-001 | Functional suitability | Pricing engine off-by-cent in EU markets | 5 | 3 | 15 | Property-based testing on rounding; nightly compliance test suite | Alice | 2026-05-01 |
| PR-002 | Security | OAuth refresh-token leak via logs | 5 | 2 | 10 | Log redaction middleware; quarterly secret-scan; presidio-pii-detection in CI | Bob | 2026-04-15 |
| PR-003 | Reliability | Stripe webhook delivery failure not retried | 4 | 4 | 16 | DLQ + retry; chaos test in staging weekly | Carol | 2026-05-10 |
| PR-004 | Performance | Catalog search slows under >10k SKUs | 4 | 3 | 12 | Elasticsearch tuning; k6 load test gate | Dan | 2026-03-20 |
| ... | ... | ... | ... | ... | ... | ... | ... | ... |

## Retired risks (n=5)

| ID | Risk | Retired date | Why retired |
|---|---|---|---|
| PR-R-001 | Legacy SOAP API maintenance | 2026-02-01 | API decommissioned in v3.0 |
| ... | ... | ... | ... |

Step 4 - Link mitigations to test coverage

For each active risk, name at least one mitigation and link it to existing test coverage (or flag a gap):

| PR-001 | Pricing engine off-by-cent | 15 | Tests: tests/billing/test_promo_stacking.py + nightly compliance suite (PROJ-T123 + 124) | Alice |

Use risk-coverage-mapper to generate the test↔risk map.

Step 5 - Quarterly review

Per ISTQB CTAL-TM, product risks should be re-scored at least quarterly:

## Q2 2026 review log

- **PR-001**: Impact unchanged (5); likelihood **lowered 3 → 2**
  (property-based tests in place + 6 months no incidents). New
  score: 10 (was 15).
- **PR-003**: Impact unchanged (4); likelihood **raised 4 → 5**
  after Q1 webhook outage at provider. New score: 20 (was 16).
- **PR-007**: **Retired** - feature deprecated in v3.0.
- **New: PR-022**: Locale-related date formatting; impact 3,
  likelihood 3, score 9. Owner: Eve.

Net change: 1 new, 1 retired, 1 risen, 1 lowered. Total active: 22.

Step 6 - Seed the release matrix

When a release matrix starts:

  1. Copy product risks scoring ≥10 (High + Critical tier) into the release matrix.
  2. Identify release-specific risks beyond the persistent ones (per the release's feature set).
  3. Per risk-matrix, assign the release-specific testing strategy.

Worked example - e-commerce product

A 24-risk register might decompose like:

CategoryCountAvg score
Functional suitability613
Performance311
Security514
Reliability412
Compatibility39
Usability28
Maintainability16

Distribution suggests Security + Functional suitability are the top areas to invest in.

Anti-patterns

Anti-patternWhy it failsFix
One-time creation, never reviewedRegister becomes staleQuarterly review cadence
Mixing per-release risks into the product registerConfuses long-lived from transientPer-release risks in risk-matrix; product-level here
No retired-risks sectionHistory lost; "why did we stop testing X?" unansweredAlways keep a retired-risks log
Score without recent re-reviewStale scores misinform planning"Last review" date column; auto-flag stale entries
Mitigation missing test coverage linkMitigation is theoretical; no evidence it worksAlways link mitigation → test (or flag as gap)
ISO 25010 categories unusedRisk list skewed to functional onlyWalk all 8 characteristics
Risk register in a wiki page that nobody opensEffectively shelf-wareVersioned in repo; reviewed at sprint planning

Limitations

  • Subjective scoring. Impact × likelihood depends on judgment; inter-rater agreement is moderate. Use the rubric anchors in risk-matrix Step 2.
  • Quarterly cadence is a floor. Volatile products may need monthly; mature products may extend to annual.
  • Doesn't replace per-feature analysis. Product risks are high-altitude; per-feature risk analysis happens at release.
  • Mitigation linkage is one-directional. Test coverage may exceed risk mitigation (defensible: unconnected coverage isn't bad). Reverse - risks without coverage - needs explicit attention.

References

  • ISTQB Advanced Test Manager (CTAL-TM) syllabus, ch. 5 on risk-based testing.
  • ISO 31000:2018 "Risk management - Guidelines" - cite by stable ID; iso.org paywall.
  • ISO/IEC 25010:2023 "Systems and software engineering - Systems and software Quality Requirements and Evaluation (SQuaRE) - Product quality model" - cite by stable ID.
  • ISTQB Glossary - glossary.istqb.org (opens in new window) - "product risk", "project risk", "risk identification".
  • Composes: risk-matrix (release-scoped), risk-coverage-mapper.
  • Sibling skill: project-risk-register-builder - different scope (project-level: schedule, env, people).

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Pure reference catalog for picking a test automation framework - covers Playwright / Cypress / Selenium / WebdriverIO / Appium / Espresso / XCUITest / RestAssured / Karate / k6 / Locust with side-by-side tradeoffs on speed, cross-browser, mobile, parallelisation, language support, ecosystem maturity, CI integration; a decision tree for matching project NFRs to framework choice; and reference directory / fixture / CI layouts for the chosen stack. This is the **upstream selection step**: it decides which tool to adopt, not how to configure a tool already chosen, and not how to rebalance the unit / integration / E2E mix of an existing suite. Use when starting a new test-automation suite from scratch, before installing any tool.

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Reference catalog of the four canonical heuristic test-design models - Bach's Heuristic Test Strategy Model (HTSM) with SFDPOT product elements, Whittaker's 'How to Break Software' attack patterns, Bolton's FEW HICCUPPS consistency oracles, and the ISO/IEC 25010 quality characteristics - for use when the tester has no user story, no acceptance criteria, and no documentation. This is the zero-documentation case: it does not read from a written story, and it yields test-case ideas rather than session charters. Use as the reference layer when generating coverage for a feature with no documented input.

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Build-an-X workflow that produces a blameless post-mortem from an incident - captures the timeline (chronological event sequence with sources), root cause analysis (what + why, not who), impact (users / revenue / SLO debt), action items (with owners + due dates + measurable success criteria), and "what went well" (intentional). Per Google SRE: "Blameless postmortems are a tenet of SRE culture." Use after every user-visible incident, not just severe ones.

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Build-an-X workflow producing a project-level risk register - risks to project execution (schedule slippage, environment instability, people / staffing, vendor / dependency, scope creep) rather than the product itself. Walks the author through ISO 31000-aligned identification, impact × likelihood scoring, mitigation strategy (avoid / mitigate / transfer / accept), and ownership; the project manager reviews it weekly. Use for release-execution risk. For product-quality risks use product-risk-register-builder, for the per-release product risk table use risk-matrix, and to sign off accepting one specific risk use risk-acceptance-decision-author.

qa-okr-author

Build-an-X workflow that drafts a QA team's quarterly OKR set - one to three Objectives, each with 3 - 5 measurable Key Results - from the team's current state (risk matrix, defect-trend narrative, test-run history, test-pyramid balance, compliance coverage). Every numeric target cites its source artifact (e.g., a defect-trend baseline's 2026-Q1 escape rate). QA-specific by design - generic OKR generators (Tability, Asana, ClickUp) don't know test metrics; the differentiation is the domain. Produces the OKR set itself - not the test-strategy document it sits inside, and not the risk-score calibration behind the baselines. Use at the start of each quarter to draft the OKR set the manager edits and the team commits to.

qa-vendor-evaluator

Build-an-X workflow that produces a side-by-side **commercial-vendor** evaluation matrix for QA tools - test-management platforms (TestRail / Qase / Xray / Zephyr / TestCollab), no-code platforms (mabl / Testim / Functionize / TestSigma / Reflect), visual regression services (Applitools / Percy / Chromatic), and commercial AI copilots - scoring each on capability fit, cost model, integration depth, vendor lock-in risk, exit cost, contractual posture, and customer-reference data. Scoped to commercial procurement - contract, lock-in, and exit-cost axes - not to choosing an open-source code-first framework on architectural fit. Use for commercial procurement decisions only - refuses to recommend a winner; the team owns the procurement choice.

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Build-an-X workflow that produces a structured risk-acceptance decision document - for risks the team has decided to accept (rather than mitigate / transfer / avoid). Walks the author through the ISO 31000 risk-acceptance criteria (rationale, sign-off, scope, review trigger, exit conditions), captures stakeholder approval, and links to the originating risk register entry. Output is a Markdown decision artefact that lives alongside the risk register and provides audit-defensible justification for the team's acceptance choice. Use when a risk register entry's Strategy column is set to Accept, or an already-accepted risk comes up for its scheduled re-review, an audit, or a post-incident look-back.

risk-coverage-mapper

Build-an-X workflow that produces a risk-to-test-coverage matrix - maps each risk in the product/release register to the tests / cases / monitoring that mitigate it. Walks the author through ingesting risks (from risk-matrix / product-risk-register-builder), inventorying test coverage (test cases via traceability-matrix-builder, automated tests via repo scan, production monitoring via observability dashboards), and computing per-risk coverage depth + identifying orphan risks (no coverage) + orphan tests (not linked to risks). Output is a Markdown matrix + executive summary. Use before a release sign-off or compliance audit, when the team must show which tests, cases, or monitors back each registered risk and which risks have nothing behind them.

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Produces the per-feature / per-release risk-matrix artifact itself: a structured intake (feature, category, impact 1-5 by likelihood 1-5, score), mitigations with owners and due dates, supporting both lightweight (impact by likelihood) and heavyweight (FMEA / Cost of Exposure) methods per RBT canon, output as a Markdown / spreadsheet the team reviews each sprint. Use when building the matrix artifact; to facilitate the live risk-storming meeting use risk-storming-facilitator, to calibrate scores across raters use risk-matrix-calibration, and to map the resulting risks onto test coverage use risk-coverage-mapper.

risk-matrix-calibration

Checks an already-written risk matrix against what actually happened. Maps each row's likelihood rating to observed defect density, test failure rate and code churn, maps its impact rating to the severity mix and escape rate, then classifies each row as over-stated, under-stated, in-agreement, or not calibrated, using stated reporting thresholds so small differences are not treated as findings. Every proposed rating change carries the observation that produced it, and every proposal is handed to the matrix owner rather than applied. Also emits candidate new entries for areas that show up in defect data but have no row. Owns calibration only: choosing a scoring methodology, designing the matrix structure, picking risk categories, mapping risks to test types, FMEA scoring, review cadence and file storage are all out of scope. Use when a matrix has been driving test decisions for at least three releases and nobody has yet checked whether its ratings match the defects, escapes and incidents that followed.

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Reference guide for planning and facilitating a risk-storming session yourself - meeting structure, participant roster, per-category brainstorm prompts (categories from risk-matrix), affinity grouping, impact by likelihood scoring, and mitigation assignment. Static reference only, not an active runner that writes the matrix file. Use to learn or teach the facilitation pattern, or to run a feature-kickoff session without agent assistance. For the matrix artifact itself use risk-matrix, to calibrate its ratings against real defect data use risk-matrix-calibration, and to map the resulting risks onto test coverage use risk-coverage-mapper.

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Pattern catalog for "I can't write the test first" moments - recognizes common testability blockers (singletons / static dependencies, network in constructors, time / random as hidden inputs, deeply nested construction, untestable boundaries) and proposes the refactor that unblocks TDD (extract interface, dependency injection, seam, ports-and-adapters). Use as TDD coaching when an engineer is stuck on a class of code. For a catalog of what-to-test heuristics with no story use heuristic-test-design-reference, to label a change's shape before planning test effort use code-change-shape-classifier, and for conventions on writing the test well once the code is testable use test-code-conventions.

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Build-an-X workflow that produces a test-case matrix from a **live, undocumented feature** - running app at a URL, screen recording, screenshot, or verbal brief - by combining structured exploration (Playwright trace / DevTools / accessibility tree) with the heuristic models in `heuristic-test-design-reference` (SFDPOT, Whittaker attacks, FEW HICCUPPS, ISO 25010). Output is a structured case matrix, not an exploratory session charter. Use when there is no story, no AC, and no documentation - only a live feature.

test-case-ideation-from-story

Takes a user story or feature spec and emits a markdown test-case matrix - one row per case (id, title, precondition, steps, expected, tier) covering happy path, alternate paths, boundaries, and negative paths - before any test code is written. Output is the human-reviewable matrix that goes into TestRail / Qase / Xray. Emits the human-reviewable case matrix itself - not Gherkin scenarios written against locked acceptance criteria, and not executable test code. Use as the first artifact a manual tester or three-amigos session produces from a story, ahead of automation.

test-effort-estimation

Turns a list of testable areas plus a change-shape distribution into a PERT three-point test effort estimate, reporting every row as a range around the expected value rather than a single number, requiring a named assumptions ledger across six mandatory categories, and recommending a per-layer ownership split across developer, automation, and exploratory roles. Owns the hours and the ownership recommendation only: it consumes a change-shape distribution rather than producing one, and it does not choose which tests to run or how deep coverage should go. Use when an epic or release has been broken into testable areas and someone is about to commit test capacity for a sprint.

test-pyramid-balancer

Build-an-X workflow that analyzes a repo's test mix (unit / integration / E2E counts + runtimes) and recommends rebalancing toward the test pyramid ratios per the change-set shape - pure-logic-heavy repo wants ~80/15/5; UI-heavy repo wants ~60/25/15. Detects 'ice-cream cone' (E2E-heavy) and 'hourglass' (integration-thin) anti-patterns. Use when the user asks about test distribution, test strategy, test balance, too many E2E tests, slow CI caused by tests, testing best practices, or rebalancing their test suite; also suitable for quarterly calibration of the test mix to codebase reality.

test-strategy-author

Authors a test strategy document (a master test plan) for a project, release, or feature - covers scope, in/out, test types per layer (unit / integration / contract / E2E / perf / security / a11y), risk-based test prioritization that maps top risks to test investment (per `risk-matrix`), tooling stack, environments, exit criteria, and ownership. Use when a team needs the release-readiness artifact stakeholders sign off on before significant test investment, and the reference engineering teams return to when scope or quality questions arise.

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Defines the output contract for writing down a chosen developer tool as a portable decision record: the observed project signal, exactly one primary recommendation, rationale that names the rejected alternative, what to read next, and a mandatory list of the conditions that would flip the choice. Adapts Architecture Decision Record conventions (context, decision, consequences, status, supersede rather than edit) to tool selection, and refuses any recommendation inferred from a README or a folder name instead of a manifest, lockfile, config file, or existing test directory. Distinct from a catalog or advisor that compares candidate tools on their merits: this owns the shape of the written record, not the comparison. Use when a tool has just been chosen (test framework, build tool, linter, package manager, migration tool) and the choice needs to be recorded so a later reader can see the signal, the rejected alternative, and what would reverse it.