mattgierhart

66 mods across 2 repositories, 183 stars between them.

mattgierhart/PRD-driven-context-engineering

Skill Claude CodeCodex

Define measurable success metrics (KPIs) tied to product type during PRD v0.3 Commercial Model. Triggers on requests to define success metrics, set KPI targets, determine what to measure, establish go/no-go thresholds, or when user asks "how do we measure success?", "what metrics matter?", "what's our target?", "how…

183 12d ago A 123 tokens original MIT

mattgierhart/PRD-driven-context-engineering

Skill Claude CodeCodex

Select and validate pricing model for PRD v0.3 Commercial Model. Triggers on requests to set pricing, choose monetization model, design pricing tiers, validate willingness to pay, or when user asks "how much should we charge?", "what pricing model?", "freemium vs paid?", "how to structure tiers?", "price point?".…

183 12d ago A 112 tokens original MIT

mattgierhart/PRD-driven-context-engineering

Skill Claude CodeCodex

Synthesize behavioral personas from prior stage evidence for journey mapping and marketing during PRD v0.4 User Journeys. Triggers on requests to define personas, create user profiles, identify target users, or when user asks "who are our users?", "define personas", "user profiles", "target users", "persona creation"…

183 12d ago A 139 tokens original MIT

mattgierhart/PRD-driven-context-engineering

Skill Claude CodeCodex

Connect user journeys to screens, defining the UI structure and navigation paths during PRD v0.4 User Journeys. Triggers on requests to define screens, design screen flows, map UI structure, plan navigation, or when user asks "what screens do we need?", "define screens", "screen flow", "UI structure", "information…

183 12d ago A 134 tokens original MIT

mattgierhart/PRD-driven-context-engineering

Skill Claude CodeCodex

Map user missions from trigger to value moment, organizing features into coherent paths during PRD v0.4 User Journeys. Triggers on requests to map user journeys, define user flows, describe how users accomplish goals, or when user asks "map user journeys", "define user flows", "user missions", "how do users accomplish…

183 12d ago A 145 tokens original MIT

mattgierhart/PRD-driven-context-engineering

Skill Claude CodeCodex

Generate visual prototype prompts from SCR- entries for Google Stitch (or equivalent UI generation tool). Triggers on: 'make a prototype', 'visualize screens', 'generate Stitch prompt', 'I need a visual demo', 'prototype the workflow', 'show me what this looks like', 'get this to a demo', 'visual gate'. Consumes SCR…

183 12d ago A 142 tokens original MIT

mattgierhart/PRD-driven-context-engineering

Skill Claude CodeCodex

Surface risks through guided questioning, helping users consider pivots, constraints, and prioritization during PRD v0.5 Red Team Review. Triggers on requests to identify risks, stress-test the idea, perform red team review, or when user asks "what could go wrong?", "identify risks", "red team", "risk assessment"…

183 12d ago A 134 tokens original MIT

mattgierhart/PRD-driven-context-engineering

Skill Claude CodeCodex

Determine technologies needed to build the product, making build/buy/integrate decisions during PRD v0.5 Red Team Review. Handles both greenfield and brownfield contexts. Triggers on requests to select tech stack, evaluate technologies, make build vs. buy decisions, discover existing assets, or when user asks "what…

183 12d ago A 151 tokens original MIT

mattgierhart/PRD-driven-context-engineering

Skill Claude CodeCodex

Define how system components connect, establishing boundaries, patterns, and integration approaches during PRD v0.6 Architecture. Triggers on requests to design architecture, create system design, define component relationships, or when user asks "design architecture", "system design", "how do components connect?"…

183 12d ago A 115 tokens original MIT

mattgierhart/PRD-driven-context-engineering

Skill Claude CodeCodex

Document development environment requirements for team consistency and AI agent understanding during PRD v0.6 Architecture. Triggers on requests to define environment setup, document tooling, create dev setup guide, or when user asks "what tools do I need?", "environment setup", "dev environment", "CLI requirements"…

183 12d ago C 114 tokens original MIT

mattgierhart/PRD-driven-context-engineering

Skill Claude CodeCodex

Define implementation contracts (APIs and data models) that developers will build against during PRD v0.6 Architecture. Triggers on requests to define APIs, design database schema, create data models, or when user asks "define APIs", "data model", "database schema", "API contracts", "technical spec", "endpoint…

183 12d ago A 128 tokens original MIT

mattgierhart/PRD-driven-context-engineering

Skill Claude CodeCodex

Transform v0.6 specifications into context-window-sized work packages (EPICs) during PRD v0.7 Build Execution. Triggers on requests to create epics, scope work, break down implementation, or when user asks "create epics", "scope work", "break down work", "context window sizing", "what to build first?", "implementation…

183 12d ago A 128 tokens original MIT

mattgierhart/PRD-driven-context-engineering

Skill Claude CodeCodex

Execute implementation within EPICs following test-first development, continuous SoT updates, and code traceability during PRD v0.7 Build Execution. Triggers on requests to start building, implement an epic, begin coding, or when user asks "start building", "implement epic", "coding", "development", "build execution"…

183 12d ago A 113 tokens original MIT

mattgierhart/PRD-driven-context-engineering

Skill Claude CodeCodex

Define test cases BEFORE implementation, ensuring every API, business rule, and user journey has verifiable acceptance criteria during PRD v0.7 Build Execution. Triggers on requests to define tests, plan test coverage, create test cases, or when user asks "define tests", "test planning", "what to test?", "test cases"…

183 12d ago A 125 tokens original MIT

mattgierhart/PRD-driven-context-engineering

Skill Claude CodeCodex

Design the changelog as a distribution surface bridging engineering releases (DEP-/FEA-) to marketing channels (GTM-) during PRD v0.8 Deployment & Ops. Triggers on requests to set up a changelog system, publish releases, or when user asks "how should we publish releases?", "changelog as marketing", "release notes"…

183 12d ago A 114 tokens original MIT

mattgierhart/PRD-driven-context-engineering

Skill Claude CodeCodex

Establish baseline → snapshot → compare → history monitoring for any KPI, config, or metric that can drift during PRD v0.8 Deployment & Ops. Triggers on requests to monitor drift, baseline a value for later comparison, or when user asks "how do we track if X changes?", "baseline this", "config drift", "performance…

183 12d ago A 111 tokens original MIT

mattgierhart/PRD-driven-context-engineering

Skill Claude CodeCodex

Define lifecycle stages and marketing → sales / CSM handoff rules for leads captured by GTM channels during PRD v0.8 Deployment & Ops. Triggers on requests to set up lead lifecycle, define MQL/SQL criteria, build handoff process, or when user asks "what's an MQL?", "marketing to sales handoff", "lead lifecycle", "lead…

183 12d ago A 119 tokens original MIT

mattgierhart/PRD-driven-context-engineering

Skill Claude CodeCodex

Define monitoring strategy, metrics collection, and alerting thresholds during PRD v0.8 Deployment & Ops. Triggers on requests to set up monitoring, define alerts, or when user asks "what should we monitor?", "alerting strategy", "observability", "metrics", "SLOs", "dashboards", "monitoring setup". Outputs MON…

183 12d ago A 89 tokens original MIT

mattgierhart/PRD-driven-context-engineering

Skill Claude CodeCodex

Define release criteria, deployment environments, and rollback strategies during PRD v0.8 Deployment & Ops. Triggers on requests to plan releases, define deployment criteria, or when user asks "how do we deploy?", "release criteria", "deployment plan", "rollback strategy", "go-live checklist". Outputs DEP- entries…

183 12d ago A 78 tokens original MIT

mattgierhart/PRD-driven-context-engineering

Skill Claude CodeCodex

Create operational playbooks for incident response, deployments, and maintenance during PRD v0.8 Deployment & Ops. Triggers on requests to create runbooks, document procedures, or when user asks "how do we handle incidents?", "runbook", "operational procedures", "on-call guide", "incident response", "maintenance…

183 12d ago A 87 tokens original MIT

prd-v09-aeo-audit

45

mattgierhart/PRD-driven-context-engineering

Skill Claude CodeCodex

Audit how AI search engines (ChatGPT, Perplexity, Google AI Overviews, Claude) describe and recommend your product, then propose fixes. Triggers on requests to audit AI search visibility, improve AEO/GEO, check ChatGPT/Perplexity coverage, or when user asks "do we show up in AI search?", "AEO audit", "generative…

183 12d ago A 118 tokens original MIT

mattgierhart/PRD-driven-context-engineering

Skill Claude CodeCodex

Generate "X vs Y" and "Alternative to X" SEO/CRO pages targeting competitive search intent during PRD v0.9 Go-to-Market. Triggers on requests to build comparison pages, target competitive search traffic, or when user asks "build alternatives pages", "X vs Y page", "competitor comparison page", "we're better than X…

183 12d ago A 106 tokens original MIT

mattgierhart/PRD-driven-context-engineering

Skill Claude CodeCodex

Build Tier 1/2/3 cold outreach sequences differentiated by personalization depth and research signal strength during PRD v0.9 Go-to-Market. Triggers on requests to plan cold outreach, founder-led sales, or when user asks "cold email sequence", "outbound campaign", "founder outreach", "LinkedIn outreach", "Tier 1…

183 12d ago A 111 tokens original MIT

mattgierhart/PRD-driven-context-engineering

Skill Claude CodeCodex

Establish channels and processes for capturing and processing post-launch feedback during PRD v0.9 Go-to-Market. Triggers on requests to set up feedback systems, capture user input, or when user asks "how do we collect feedback?", "feedback loop", "user research", "post-launch feedback", "customer feedback", "NPS"…

183 12d ago A 94 tokens original MIT