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ddunnock

@ddunnock source repo

19 published skills

  1. Sysmlkit · ddunnock
    Author and edit SysML v2 model text that conforms to the program's placement standard and to Cameo's front-end behaviour. Use whenever writing, editing or reviewing a .sysml file, choosing which namespace or package an element belongs in, writing imports between namespaces, naming packages or elements, or interpreting a sysmlkit finding or rule id such as ORG-ROOT-CONTENT or M-51. Also use when asked where something goes in the model, why a Cameo view renders empty, or whether an import is allowed.
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  2. Fishbone Diagram · ddunnock bundle
    Create comprehensive Fishbone (Ishikawa/Cause-and-Effect) diagrams for structured root cause brainstorming. Guides teams through problem definition, category selection (6Ms, 8Ps, 4Ss, or custom), cause identification, sub-cause drilling, prioritization via multi-voting, and 5 Whys integration. Generates visual SVG diagrams and professional HTML reports. Use when brainstorming potential causes, conducting root cause analysis, facilitating quality improvement sessions, analyzing defects or failures, structuring team problem-solving, or when user mentions "fishbone", "Ishikawa", "cause and effect diagram", "6Ms", "cause analysis", or "brainstorming causes".
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  3. Requirements Dev · ddunnock bundle
    This skill should be used when the user asks to "develop requirements", "formalize needs", "write requirements", "create a specification", "build traceability", "quality check requirements", "INCOSE requirements", "requirements development", "reqdev", or mentions requirements engineering, needs formalization, verification planning, traceability matrix, or systems engineering requirements. Even for casual phrases like "I need to write some reqs" or "let's formalize the needs", trigger this skill.
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  4. Streaming Output · ddunnock bundle
    Stream long-form content to markdown files with resume capability. Writes content incrementally with section markers, enabling recovery if context limits are hit. Use when generating long documents (over 1000 lines), B-SPEC or specification writing, multi-section reports, any task where context compaction may occur mid-generation, or when user explicitly requests streaming output. Commands: init, write, status, resume, finalize, repair.
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  5. Five Whys Analysis · ddunnock bundle
    Conduct rigorous 5 Whys root cause analysis with guided questioning, quality scoring, and professional report generation. Use when performing root cause analysis, investigating problems, conducting 5 Whys sessions, troubleshooting recurring issues, or when user mentions "5 whys", "root cause", "why did this happen", "find the cause", or needs to identify underlying causes of defects, failures, or process problems. Includes validation tests, scoring rubric, and countermeasure development.
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  6. Problem Definition · ddunnock bundle
    Guide RCCA/8D problem definition using 5W2H and IS/IS NOT analysis. Transforms scattered failure data into precise, measurable problem statements that bound investigation scope without embedding cause or solution. Use when defining problems for root cause analysis, writing D2 sections of 8D reports, analyzing nonconformances, investigating failures, or when user mentions problem definition, problem statement, RCCA, 8D, failure analysis, or corrective action.
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  7. Fault Tree Analysis · ddunnock bundle
    Conduct Fault Tree Analysis (FTA) to systematically identify and analyze causes of system failures using Boolean logic gates. Top-down deductive method for safety and reliability engineering. Use when analyzing system failures, evaluating safety-critical designs, calculating failure probabilities, identifying minimal cut sets, assessing redundancy effectiveness, or when user mentions "fault tree", "FTA", "system failure analysis", "minimal cut sets", "safety analysis", "failure probability", "AND/OR gates", or needs to trace failure pathways from top event to basic events. Supports qualitative structure analysis and quantitative probability calculations.
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  8. Streaming Output MCP · ddunnock bundle
    Stream structured content to persistent SQLite storage with automatic session break recovery. Core principle: The content IS the state. Every stream_write is automatically persistent. Supports multi-format export (Markdown, HTML, JSON, YAML, CSV, Text) and 7 document templates. Commands: /stream-init, /stream-status, /stream-read, /stream-write, /stream-export. ALWAYS call stream_status after session breaks to check for resume_from and preserved_context.
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  9. Trade Study Analysis · ddunnock bundle
    Conduct systematic trade study analyses using the DAU 9-Step Trade Study Process. Guides engineers through problem definition, root cause analysis (5 Whys, Fishbone), data collection from alternatives and datasheets, normalization calculations, weighted scoring, sensitivity analysis, and professional report generation with visualizations and decision matrices. Use when evaluating alternatives, comparing solutions, conducting trade-offs, or making engineering decisions.
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  10. Kepner Tregoe Analysis · ddunnock bundle
    Conduct Kepner-Tregoe (KT) Problem Solving and Decision Making (PSDM) analysis using the four rational processes - Situation Appraisal, Problem Analysis, Decision Analysis, and Potential Problem Analysis. Use when performing structured root cause analysis, making complex decisions, evaluating alternatives with weighted criteria, conducting IS/IS NOT specification analysis, anticipating implementation risks, troubleshooting complex issues, or when user mentions "Kepner-Tregoe", "KT method", "IS/IS NOT", "situation appraisal", "decision analysis", "MUSTS and WANTS", "potential problem analysis", or needs systematic problem-solving methodology. Includes specification matrices, decision scoring, quality rubrics, and professional report generation.
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  11. Adr Authoring · ddunnock bundle
    This skill should be used when writing Architecture Decision Records (ADRs), documenting technical decisions, or reviewing architecture choices. Triggers on phrases like "document this decision", "create ADR", "architecture decision", "why did we choose", "record the decision", "MADR template", or when the user is working on plan files that contain ADR sections.
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  12. Requirement Patterns · ddunnock bundle
    This skill should be used when writing requirements, specifications, or user stories. Triggers on phrases like "write requirements", "create spec", "define user stories", "document feature", "specify behavior", "what should the system do", or when reviewing specification quality. Provides patterns for clear, testable, unambiguous requirements.
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  13. Concept Dev · ddunnock bundle
    This skill should be used when the user asks to "develop a concept", "explore a new idea", "brainstorm a system concept", "do concept development", "create a concept document", "run Phase A", "define the problem and architecture", or mentions concept exploration, feasibility studies, concept of operations, system concept, architecture exploration, solution landscape, or NASA Phase A.
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  14. Rcca Master · ddunnock bundle
    Orchestrate complete Root Cause and Corrective Action (RCCA) investigations using the 8D methodology. Guides team formation (D1) with domain-specific recommendations, problem definition (D2), containment (D3), root cause analysis (D4) with integrated tool selection (5 Whys, Fishbone, Pareto, Kepner-Tregoe, FTA), corrective action (D5-D6), prevention (D7), and closure (D8). Use when conducting RCCA, 8D, root cause analysis, corrective action, failure investigation, nonconformance analysis, quality problems, or customer complaints.
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  15. Skill Tester · ddunnock bundle
    This skill should be used whenever the user wants to test a skill's behavior, analyze how it uses the Claude API, inspect inputs/outputs from scripts, or run security and code review audits against skill scripts. Even for casual phrases like "test my skill", "analyze this skill", "audit skill scripts", "review skill for security issues", "what does this skill actually do when it runs", "inspect API calls from skill", "run a skill through its paces", "check my skill for bugs or vulnerabilities". Also trigger when the user shows you a SKILL.md and asks you to evaluate, critique, or stress-test it.
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  16. Fmea Analysis · ddunnock bundle
    Conduct Failure Mode and Effects Analysis (FMEA) for systematic identification and risk assessment of potential failures in designs, processes, or systems. Supports DFMEA (Design), PFMEA (Process), and FMEA-MSR (Monitoring & System Response). Uses AIAG-VDA 7-step methodology with Action Priority (AP) risk assessment replacing traditional RPN. Use when analyzing product designs for potential failures, evaluating manufacturing process risks, conducting proactive risk assessment, preparing for APQP/PPAP submissions, investigating field failures, or when user mentions "FMEA", "failure mode", "DFMEA", "PFMEA", "severity occurrence detection", "RPN", "Action Priority", "design risk analysis", or needs to identify and prioritize potential failure modes with their causes and effects.
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  17. Plugin Creator · ddunnock bundle
    Creates plugins (skills and MCPs) by guiding through the authoring process. Use when users want to create or update (1) skills that extend Claude's capabilities with specialized knowledge and workflows, or (2) MCPs (Model Context Protocol servers) that provide tools for Claude Desktop.
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  18. Pareto Analysis · ddunnock bundle
    Conduct Pareto Analysis (80/20 Rule) to identify the vital few causes driving the majority of problems. Guides data collection, category definition, chart creation, cumulative percentage calculation, and prioritization. Generates professional Pareto charts (SVG) and HTML reports with quality scoring. Use when prioritizing defects, complaints, failures, or improvement opportunities; when user mentions "Pareto", "80/20 rule", "vital few", "trivial many", "prioritization", or needs to identify which factors contribute most to a problem.
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  19. System Dev · ddunnock bundle
    Guides AI-assisted systems design using INCOSE principles. Creates and manages a Design Registry with typed slots for components, interfaces, contracts, and requirement references. Use when the user mentions system design, design registry, component decomposition, interface resolution, behavioral contracts, traceability, impact analysis, or /system-dev commands.
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