name: dotnet-mcaf-nfr description: "Apply MCAF non-functional-requirements guidance to capture or refine explicit quality attributes such as accessibility, reliability, scalability, maintainability, performance, and compliance. Use when a feature or architecture change needs explicit quality attributes and trade-offs." compatibility: "Requires repository access when NFRs are documented in feature docs, ADRs, or architecture docs."
MCAF: Non-Functional Requirements
Trigger On
- a feature or architecture change needs explicit quality attributes
- a team is using vague words like "fast", "reliable", or "secure" without measurable meaning
- docs, ADRs, and tests are out of sync on quality expectations
Value
- produce a concrete project delta: code, docs, config, tests, CI, or review artifact
- reduce ambiguity through explicit planning, verification, and final validation skills
- leave reusable project context so future tasks are faster and safer
Do Not Use For
- generic architecture or feature writing with no quality-attribute decision
- loading all NFR references at once
Inputs
- the changed feature, boundary, or rollout path
- the quality attributes that materially affect it
- current docs, ADRs, tests, and ops expectations
Quick Start
- Read the nearest
AGENTS.mdand confirm scope and constraints. - Run this skill's
Workflowthrough theRalph Loopuntil outcomes are acceptable. - Return the
Required Result Formatwith concrete artifacts and verification evidence.
Workflow
- Decide which quality attributes materially affect the change.
- Turn vague goals into explicit requirements, constraints, or testable expectations.
- Link NFRs to feature docs, ADRs, and verification when they affect design or rollout.
- Use only the specific reference files that match the active quality attribute.
Deliver
- explicit NFRs for the changed area
- docs or ADRs that describe measurable quality attributes
- better alignment between architecture, testing, and operations
Validate
- each chosen NFR is measurable or at least falsifiable
- the selected attributes are the ones that actually drive design trade-offs
- verification and operational expectations are linked where needed
Ralph Loop
Use the Ralph Loop for every task, including docs, architecture, testing, and tooling work.
- Brainstorm first (mandatory):
- analyze current state
- define the problem, target outcome, constraints, and risks
- generate options and think through trade-offs before committing
- capture the recommended direction and open questions
- Plan second (mandatory):
- write a detailed execution plan from the chosen direction
- list final validation skills to run at the end, with order and reason
- Execute one planned step and produce a concrete delta.
- Review the result and capture findings with actionable next fixes.
- Apply fixes in small batches and rerun the relevant checks or review steps.
- Update the plan after each iteration.
- Repeat until outcomes are acceptable or only explicit exceptions remain.
- If a dependency is missing, bootstrap it or return
status: not_applicablewith explicit reason and fallback path.
Required Result Format
status:complete|clean|improved|configured|not_applicable|blockedplan: concise plan and current iteration stepactions_taken: concrete changes madevalidation_skills: final skills run, or skipped with reasonsverification: commands, checks, or review evidence summaryremaining: top unresolved items ornone
For setup-only requests with no execution, return status: configured and exact next commands.
Load References
- pick only the exact file for the active NFR: accessibility, reliability, performance, scalability, compliance, maintainability, and so on
Example Requests
- "Make the non-functional requirements explicit for this feature."
- "Turn vague reliability goals into real constraints."
- "Document performance and compliance expectations for this service."