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vercel-react-best-practices
oldwinter/skills
React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Triggers on tasks involving React components, Next.js pages, data fetching, bundle optimization, or performance improvements.
positioning-messaging
oldwinter/skills
Create a Positioning & Messaging Pack (positioning statement, messaging hierarchy, value proposition, tagline/headlines, copy set, validation plan). Use for positioning, messaging, value prop, tagline, homepage hero, one-liner, elevator pitch, and press pattern-matching.
product-led-sales
oldwinter/skills
Create a Product-Led Sales Motion Pack (PQL/PQA definition, usage-signal spec + routing/SLA, sales outreach playbook, instrumentation plan, and pilot/scale plan). Use for product-led sales, sales-assist, PLG-to-sales handoffs, and converting self-serve usage into sales opportunities. Category: Sales & GTM.
product-taste-intuition
oldwinter/skills
Build stronger product taste + intuition as a PM by running a Taste Calibration Sprint (benchmark set, product critique notes, intuition→hypothesis log, validation plan, practice loop). Use for “product taste”, “product sense”, “intuition”, “calibrate taste”.
retention-engagement
oldwinter/skills
Improve retention, churn, engagement, and activation by producing a Retention & Engagement Improvement Pack (diagnosis, aha moment definition, lever hypotheses, experiment backlog, measurement plan, 30/60/90 plan). Use for Growth teams.
scoping-cutting
oldwinter/skills
Right-size scope to ship within a fixed timebox (appetite). Produces a Scoping & Cutting Pack: appetite, minimum lovable slice, cut list, validation plan, and a scope-creep guardrail plan. Use for MVP/descoping/scope creep.
startup-ideation
oldwinter/skills
Generate and evaluate startup ideas using off-the-beaten-path insights + Why-Now shift analysis. Produces a Startup Ideation Pack (opportunity theses table, scorecard, top idea brief, validation plan). Use for startup ideation, idea selection, “what should we build?”, why now, tarpit avoidance, information diet planning.
writing-north-star-metrics
oldwinter/skills
Define or refresh a product North Star metric + driver tree and produce a shareable North Star Metric Pack (narrative, metric spec, inputs, guardrails, rollout).
writing-specs-designs
oldwinter/skills
Create a build-ready spec + design doc pack (low-fi diagram, user flows/states, prototype brief, acceptance criteria) for a feature or UX change. Use for spec, design doc, feature spec, technical spec, interaction spec.
building-sales-team
oldwinter/skills
Build an early sales team and operating cadence (readiness gate, hiring plan, role scorecards, interview loop, onboarding/ramp). Use for first AE/SDR hires, seed→Series A sales team build, and product-led sales pilot. Category: Sales & GTM.
skills-readme-updater
oldwinter/skills
This skill should be used after creating or modifying skills to update the main README.md file. It scans all skills in ~/.claude/skills/, extracts metadata from SKILL.md files, and regenerates the README with categorized skill listings. Triggers on requests mentioning "update skills readme", "refresh skills list", or after adding new skills.
github-cli
oldwinter/skills
This skill should be used when users need to interact with GitHub via the gh CLI. It covers repository management (create, delete, clone, fork), CI/CD workflows (GitHub Actions), Issues, Pull Requests, Releases, and other GitHub operations. Triggers on requests mentioning GitHub, repos, PRs, issues, actions, or workflows.
ai-evals
oldwinter/skills
Create an AI Evals Pack (eval PRD, test set, rubric, judge plan, results + iteration loop). Use for LLM evaluation, benchmarks, rubrics, error analysis/open coding, and ship/no-ship quality gates for AI features.
ai-product-strategy
oldwinter/skills
Create an AI Product Strategy Pack (thesis, prioritized use cases, system plan, eval + learning plan, agentic safety plan, roadmap). Use for AI product strategy, LLM/agent strategy, AI roadmap, AI-first product direction.
building-with-llms
oldwinter/skills
Produce an LLM Build Pack (prompt+tool contract, data/eval plan, architecture+safety, launch checklist). Use for building with LLMs, GPT/Claude apps, prompt engineering, RAG, and tool-using agents.
conducting-interviews
oldwinter/skills
Run structured, behavioral hiring interviews and produce an Interview Execution Pack (plan, questions, scorecard, debrief). Use for interview process, interview questions, interview loop, screening, behavioral interview, structured interview. Category: Hiring & Teams.
evaluating-candidates
oldwinter/skills
Make an evidence-based hiring decision and produce a Candidate Evaluation Decision Pack (criteria + scorecard, signal log, work sample/trial plan + rubric, reference check script + summary, decision memo). Use for candidate evaluation, hiring decisions, reference checks, work samples/take-homes, and hiring bar calibration. Category: Hiring & Teams.
aws-cost-explorer
oldwinter/skills
This skill should be used when users need to query AWS cost and usage details for a specific date. It supports querying costs at service level (e.g., EC2, S3, RDS) and drilling down to usage type level (e.g., instance types, storage classes, data transfer). Triggers on requests mentioning AWS costs, billing, spending, cost breakdown, or fee analysis.
aws-support-case
oldwinter/skills
This skill should be used when users need to manage AWS Support cases via CLI. It handles listing cases (recent 2 weeks, unresolved), viewing case details with bilingual display (English-Chinese line by line), creating new cases with auto-detected service/category, replying to cases, and attachment handling. Triggers on requests mentioning "AWS support", "support case", "工单", "support ticket", or AWS technical support inquiries.
managing-tech-debt
oldwinter/skills
Manage technical debt by producing a Tech Debt Management Pack (debt register, scoring/prioritization, refactor vs rewrite decision memo, incremental paydown plan, migration/rollback plan, metrics, and stakeholder cadence). Use for tech debt, refactoring, legacy modernization, and migrations.
coaching-pms
oldwinter/skills
Coach product managers and produce a PM Coaching Pack (context-specific definition of “good PM”, evidence-based assessment, growth bets + development plan, coaching cadence + session toolkit, follow-up tracker). Use for coaching PMs, developing PMs, leveling expectations, and creating growth plans. Category: Leadership.
engineering-culture
oldwinter/skills
Build or refresh engineering culture and produce an Engineering Culture Operating System Pack (capability map, culture code, org↔architecture alignment, clock-speed/DevEx backlog, workflow contract, rollout + measurement). Use for engineering culture, DevOps capabilities, DevEx, clock speed, Conway's Law, and engineering principles. Category: Engineering.
having-difficult-conversations
oldwinter/skills
Prepare and lead difficult conversations as a manager/leader and produce a Difficult Conversation Pack (conversation brief, talk track/script, objection+emotion handling plan, follow-up note, and quality gates). Use for difficult conversation, hard conversation, tough feedback, performance conversation, promotion denial, layoff conversation, termination conversation, firing. Category: Leadership.
managing-up
oldwinter/skills
Manage up effectively and produce a Managing Up Operating System Pack (manager profile, comms cadence, weekly updates, escalation/ask plan, expectation & boundary script, and exec-ready decision/tradeoff memo). Use for managing up, managing your boss, working with your manager, exec communication, stakeholder updates, and escalation. Category: Leadership.
post-mortems-retrospectives
oldwinter/skills
Run blameless post-mortems & retrospectives and produce a Post-mortems & Retrospectives Pack (brief + agenda, facts/timeline, contributing factors + root causes, decisions + action tracker, kill criteria, learning dissemination plan). Use for postmortem, post-mortem, retrospective, retro, after action review, lessons learned. Category: Leadership.
brand-storytelling
oldwinter/skills
Create a Brand Storytelling Pack (brand narrative, founder/origin story, five-second moment, channel scripts, building-in-public plan, Q&A bank). Use for brand story, founder story, origin story, narrative, pitch story, storytelling, and brand narrative. Category: Marketing.
content-marketing
oldwinter/skills
Build a content marketing program by producing a Content Marketing Plan Pack (content market fit brief, demand-validated SEO topic map, human voice + primary channel strategy, editorial calendar, content briefs, AI-assisted writing SOP, measurement plan). Use for content marketing, content strategy, blog, SEO, thought leadership, founder-led content.
marketplace-liquidity
oldwinter/skills
Diagnose and improve marketplace liquidity (match rate/fill rate, time-to-match, reliability) by segment. Produces a Marketplace Liquidity Management Pack: liquidity definition + metric tree, fragmentation map, segment scorecard, supply/demand bottleneck diagnosis, experiment backlog, measurement plan, and operating cadence. Use for Growth teams running two-sided marketplaces.
problem-definition
oldwinter/skills
Define a product problem and produce a Problem Definition Pack (problem statement, JTBD, current alternatives, evidence & assumptions, success metrics, scope boundaries, prototype/learning plan). Use when clarifying the problem space.
product-operations
oldwinter/skills
Design and implement Product Operations systems that help product teams scale (cadences, standard artifacts, insights pipelines, release enablement). Produces a Product Ops Operating System Pack (charter, operating model, rituals, templates, implementation plan). Use for product ops, product org scaling, standardizing roadmaps/check-ins, release management enablement.
partnership-bd
oldwinter/skills
Create a Partnership & BD Execution Pack (partner thesis, target list + scoring, outreach kit, scalable offer + negotiation guardrails, and launch plan). Use for partnerships, business development (BD), strategic partnerships, channel partners, platform/integration partnerships, and partner outreach. Category: Sales & GTM.
founder-sales
oldwinter/skills
Create a Founder Sales Sprint Pack (ICP wedge + target list, outreach sequences, diagnostic discovery script, decision-enablement assets to beat “no decision”, and a white-glove activation plan). Use for founder-led sales, early sales, first customers, and first 10 customers. Category: Sales & GTM.
api-billing-service-onboarding
oldwinter/skills
This skill should be used when the user requests to add a new third-party API service to the AWS billing/quota monitoring system. It handles the complete onboarding process including adapter creation, Lambda deployment, CloudWatch alarms, Dashboard updates, and verification. Triggers on requests mentioning "add service monitoring", "monitor API balance", "setup quota alerts", "add to billing dashboard", or similar service integration requests.
eksctl
oldwinter/skills
This skill should be used when users need to manage AWS EKS clusters via eksctl CLI. It covers cluster creation, nodegroup management, addon operations, IAM integration, and cluster upgrades. Complements kubectl for cluster-level operations. Triggers on requests mentioning eksctl, EKS cluster management, nodegroups, EKS addons, or Kubernetes cluster infrastructure on AWS.
negotiating-offers
oldwinter/skills
Negotiate job offers and produce an Offer Negotiation Pack (success-conditions asks, tradeoff matrix, negotiation strategy, scripts, optional contract/part-time proposal). Use for salary negotiation, equity negotiation, offer negotiation, comp negotiation. Category: Career.
sync-to-prod
oldwinter/skills
This skill should be used when users need to sync/promote configuration from staging (aws-staging) to production (aws-prod) environment. It handles image tag synchronization, identifies configuration differences, and manages the promotion workflow. Triggers on requests mentioning "sync to prod", "promote to production", "update prod images", or comparing staging vs production.
platform-infrastructure
oldwinter/skills
Produce a Platform & Infrastructure Improvement Pack (shared capabilities plan, reliability/performance/privacy targets, scaling triggers, analytics + discoverability decisions, execution roadmap). Use for platform engineering, infrastructure planning, scalability, reliability, and architecture foundations.
evaluating-trade-offs
oldwinter/skills
Evaluate trade-offs and produce a Trade-off Evaluation Pack (trade-off brief, options+criteria matrix, all-in cost/opportunity cost table, impact ranges, recommendation, stop/continue triggers). Use for tradeoff/trade-off, pros and cons, cost-benefit, opportunity cost, build vs buy, ship fast vs ship better, continue vs stop (sunk costs). Category: Leadership.
organizational-design
oldwinter/skills
Design or redesign an org structure and operating model by producing an Organizational Design Pack (design brief, current-state map, operating-model decision, target org blueprint, transition plan). Use for org design, reorgs, team topology, functional vs divisional structures, and centralized vs decentralized decision-making. Category: Leadership.
organizational-transformation
oldwinter/skills
Lead an organizational transformation toward a modern product operating model (not “framework adoption”). Produces an Organizational Transformation Pack (diagnostic, target operating model, pilot plan, roadmap, comms, governance). Use for org transformation, product operating model change, moving from feature teams to empowered product teams, and change management. Category: Leadership.
planning-under-uncertainty
oldwinter/skills
Plan and lead execution when outcomes are uncertain and requirements are ambiguous. Produces an Uncertainty Planning Pack (uncertainty map, hypotheses + experiments, buffers + triggers, cadence + comms). Use for ambiguity, unknowns, hypothesis-driven planning, experimentation, contingency planning.
running-design-reviews
oldwinter/skills
Run high-signal design reviews (design critique / design crit / design feedback) by producing a Design Review Pack: review brief + requested feedback, agenda + facilitation script, feedback log prioritized by Value→Ease→Delight, decision record, and follow-up plan.
running-effective-meetings
oldwinter/skills
Run effective meetings by producing a Meeting Pack (meeting brief, pre-read, agenda, facilitation script, notes + decision log, action-item follow-up). Use for meeting planning, meeting agendas, decision meetings, strategic discussions, operational syncs, and meeting hygiene.
running-offsites
oldwinter/skills
Plan and run a high-signal team offsite/retreat and produce an Offsite Pack (offsite brief, agenda + run-of-show, prework, facilitation guide, logistics checklist, post-offsite decisions + action plan + comms). Use for offsite planning, team retreat, strategy offsite, planning offsite, quarterly burst, onsite. Category: Communication.
systems-thinking
oldwinter/skills
Apply systems thinking to leadership decisions and produce a Systems Thinking Pack (system boundary, actors & incentives map, feedback loops, second-order effects ledger, leverage points, intervention plan). Use for complex ecosystems, trade-offs, org/process redesign, and preventing unintended consequences.
community-building
oldwinter/skills
Build a Community Building Pack (strategy, platform plan, programming calendar, ambassador program, governance, metrics, launch plan). Use for community building, community-led growth, developer community, user community, ambassador/champions programs, Discord/Slack/forum communities. Category: Marketing.
tasknotes
oldwinter/skills
This skill should be used when users mention tasks, todos, work items, Obsidian notes, or need to manage their personal task list. It integrates with the TaskNotes CLI (tn) to list, create, update, complete, and organize tasks stored in Obsidian. Triggers on keywords like "task", "todo", "任务", "工作", "待办", "Obsidian", or when users ask about their schedule, deadlines, or what they need to do.
analyzing-user-feedback
oldwinter/skills
Analyze user/customer feedback and produce a User Feedback Analysis Pack (source inventory, normalized feedback table, taxonomy/codebook, themes + evidence, recommendations, and feedback loop). Use for voice of customer, feature request analysis, support ticket synthesis, churn reason synthesis, and survey open-ends.
running-effective-1-1s
oldwinter/skills
Run effective 1:1s and skip-levels as a manager/leader and produce a 1:1 Operating System Pack (cadence plan, agendas, shared doc templates, coaching prompts, career conversation plan, and quality gates). Use for 1:1, one-on-one, 1-on-1, manager check-ins, coaching, career conversations, and skip levels. Category: Leadership.
obsidian-bases
oldwinter/skills
Create and edit Obsidian Bases (.base files) with views, filters, formulas, and summaries. Use when working with .base files, creating database-like views of notes, or when the user mentions Bases, table views, card views, filters, or formulas in Obsidian.
remotion-best-practices
oldwinter/skills
Best practices for Remotion - Video creation in React
json-canvas
oldwinter/skills
Create and edit JSON Canvas files (.canvas) with nodes, edges, groups, and connections. Use when working with .canvas files, creating visual canvases, mind maps, flowcharts, or when the user mentions Canvas files in Obsidian.
skill-creator
oldwinter/skills
Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.
pricing-strategy
oldwinter/skills
Create a Pricing Strategy Pack (value metric + willingness-to-pay plan, packaging & price-point options, self-serve vs sales-led thresholds, experiments, rollout + review cadence). Use for pricing, monetization, freemium, free trial, reverse trial, and packaging decisions. Category: Growth.
agent-browser
oldwinter/skills
Automates browser interactions for web testing, form filling, screenshots, and data extraction. Use when the user needs to navigate websites, interact with web pages, fill forms, take screenshots, test web applications, or extract information from web pages.
ui-ux-pro-max
oldwinter/skills
UI/UX design intelligence. 50 styles, 21 palettes, 50 font pairings, 20 charts, 9 stacks (React, Next.js, Vue, Svelte, SwiftUI, React Native, Flutter, Tailwind, shadcn/ui). Actions: plan, build, create, design, implement, review, fix, improve, optimize, enhance, refactor, check UI/UX code. Projects: website, landing page, dashboard, admin panel, e-commerce, SaaS, portfolio, blog, mobile app, .html, .tsx, .vue, .svelte. Elements: button, modal, navbar, sidebar, card, table, form, chart. Styles: glassmorphism, claymorphism, minimalism, brutalism, neumorphism, bento grid, dark mode, responsive, skeuomorphism, flat design. Topics: color palette, accessibility, animation, layout, typography, font pairing, spacing, hover, shadow, gradient. Integrations: shadcn/ui MCP for component search and examples.
changelog-generator
oldwinter/skills
Automatically creates user-facing changelogs from git commits by analyzing commit history, categorizing changes, and transforming technical commits into clear, customer-friendly release notes. Turns hours of manual changelog writing into minutes of automated generation.
writing-prds
oldwinter/skills
Write a clear, decision-ready PRD (and optionally a PR/FAQ, AI eval spec, and prompt set) for cross-functional alignment.
shipping-products
oldwinter/skills
Plan and execute a product launch/release with speed and safety. Produces a Shipping & Launch Pack (release brief, rollout/rollback plan, product quality list, comms + enablement, monitoring plan, post-launch review). Use for ship, launch, release, deploy, go live.
startup-pivoting
oldwinter/skills
Decide whether/how to pivot a startup or product and produce a Pivot Decision & Execution Pack (diagnosis, exhaustion check, pivot options map, pivot thesis + metrics, validation plan, execution plan, decision memo). Use for “should we pivot?”, “stuck pre-PMF”, “growth stalled”, “change ICP”, “reposition”, “major strategy reset”.
working-backwards
oldwinter/skills
Create an Amazon-style PR/FAQ (future press release + FAQ) plus a backcasting launch plan to align on customer value, scope, and GTM readiness. Use for working backwards, PRFAQ / PR-FAQ, future press release, backcasting, launch plan.
sales-compensation
oldwinter/skills
Design a sales compensation plan (OTE & pay mix, quotas & ramp, commission mechanics, and retention-aligned incentives) and produce a Sales Comp Plan Pack. Use for AE/SDR/AM comp plans, early sales hires, and GTM scaling. Category: Sales & GTM.
sales-qualification
oldwinter/skills
Build a Sales Qualification Pack (ICP + disqualification rules, qualification scorecard, discovery/qualification script, CRM note template, and pipeline hygiene rules). Use to fix pipeline quality and stop wasting time on wrong leads. Category: Sales & GTM.
vibe-coding
oldwinter/skills
Turn an idea into a functional, demo-ready prototype using AI-assisted “vibe coding” (timeboxed build loop, prompt pack, build plan, demo script, and safety checks). Use for rapid prototyping and proving concepts in AI & Technology.
lenny-skillpack-creator
oldwinter/skills
Converts a Refound/Lenny Skill into a high-density, agent-executable Skill Pack (Agent Skills standard). Output must be in English.
design-engineering
oldwinter/skills
Stand up a Design Engineering practice (hybrid design+engineering) by producing a Design Engineering Execution Pack: charter, prototype→production workflow, design-to-code contract, component delivery plan, and quality bar. Use for design engineering, UI engineering, design systems engineering, and prototype-to-production processes.
finding-mentors-sponsors
oldwinter/skills
Build a Mentor & Sponsor Plan Pack (mentor portfolio, sponsor strategy, target list, outreach scripts, meeting agenda, tracking + cadence). Use for finding a mentor, finding a sponsor, mentorship, sponsorship, career advisor, career coaching, networking outreach. Category: Career.
managing-imposter-syndrome
oldwinter/skills
Manage imposter syndrome at work and produce an Imposter Syndrome Management Pack (trigger & pattern map, reframes, evidence bank, experiment plan, support scripts, maintenance routine). Use for self-doubt, feeling like a fraud, new role anxiety, stretch assignments. Category: Career.
personal-productivity
oldwinter/skills
Build a Personal Productivity System Pack (weekly timebox plan, capture+to-do system, daily/weekly review rituals, and a 7-day rollout). Use for timeboxing, calendar blocking, and staying on top of high-volume leadership work. Category: Career.
aws-cli
oldwinter/skills
This skill should be used when users need to interact with AWS services via CLI. It covers all AWS services including EC2, ECS, EKS, Lambda, S3, RDS, DynamoDB, VPC, Route53, CloudFront, Bedrock, Support, Billing, and more. Supports querying, creating, modifying, deleting resources, monitoring, debugging, and cost analysis. Triggers on requests mentioning AWS, cloud resources, or specific AWS service names.
gitlab-cli
oldwinter/skills
This skill should be used when users need to interact with GitLab via the glab CLI. It covers repository management (create, delete, clone, fork), CI/CD workflows (pipelines, jobs, schedules), Merge Requests, Issues, Releases, and other GitLab operations. Triggers on requests mentioning GitLab, repos, MRs, issues, pipelines, or CI/CD workflows.
kubectl
oldwinter/skills
This skill should be used when users need to interact with Kubernetes clusters via kubectl CLI. It covers pod management, deployment operations, log viewing, debugging, resource monitoring, scaling, ConfigMaps, Secrets, Services, and all standard kubectl operations. Supports multiple clusters (production, staging, local k3s) with predefined aliases. Triggers on requests mentioning Kubernetes, k8s, pods, deployments, containers, or cluster operations.
building-team-culture
oldwinter/skills
Build or refresh a team culture and produce a Team Culture Operating System Pack (culture snapshot, culture code, norms, rituals, rollout + measurement plan). Use for team culture, culture code, team values, team norms, psychological safety, and coaching culture. Category: Hiring & Teams.
cross-functional-collaboration
oldwinter/skills
Lead cross-functional collaboration by producing a Cross-Functional Collaboration Pack (mission charter, stakeholder/incentives map, roles & expectations contract, operating cadence, decision log, conflict + credit norms). Use for cross-functional collaboration, working with engineering, working with design, reducing execution friction.
delegating-work
oldwinter/skills
Create a Delegation Pack (delegation brief, decision rights, context handoff, check-in cadence, review plan, debrief). Use for delegation, letting go, empowering reports, and avoiding micromanagement.
energy-management
oldwinter/skills
Build an Energy Management Operating System Pack (energy drivers/drains map, calendar energy audit, zone-of-genius expansion plan, energy-aligned weekly schedule, recovery routines, and 2-week experiments). Use for sustainable leadership performance and burnout prevention. Category: Leadership.
media-relations
oldwinter/skills
Plan and execute earned media outreach and journalist relationships by producing a Media Relations Pack (newsworthiness brief, media list, exclusive/embargo plan, pitch templates, outreach tracker, interview prep, press materials checklist). Use for PR, media outreach, press pitch, embargo, exclusive, press release, and journalist pitching. Category: Marketing.
stakeholder-alignment
oldwinter/skills
Align stakeholders and secure buy-in by producing a Stakeholder Alignment Pack (alignment brief, stakeholder map, exec decision principles, pre-brief plan, alignment meeting plan, decision summary + comms). Use for stakeholder alignment, buy-in, executive alignment, cross-functional alignment. Category: Communication.
audit-website
oldwinter/skills
Audit websites for SEO, technical, content, and security issues using squirrelscan CLI. Returns LLM-optimized reports with health scores, broken links, meta tag analysis, and actionable recommendations. Use when analyzing websites, debugging SEO issues, or checking site health.
obsidian-dashboard
oldwinter/skills
This skill should be used when users want to generate comprehensive statistics and overview of their Obsidian vault, including file counts, types, tags, links, folder structure, and other metadata analysis.
behavioral-product-design
oldwinter/skills
Apply behavioral science to product design and produce a Behavioral Product Design Pack (target behavior, behavioral diagnosis, intervention map, prioritized concepts, design specs, experiment + instrumentation plan, ethics/trust review). Use for retention, onboarding, habit loops, and behavior change problems.
competitive-analysis
oldwinter/skills
Produce a Competitive Analysis Pack (competitive alternatives map, competitor landscape, differentiation & positioning hypotheses, battlecards, monitoring plan). Use for competitor research, competitive landscape, win/loss analysis, and positioning vs alternatives.
measuring-product-market-fit
oldwinter/skills
Measure product-market fit (PMF) and produce a PMF Measurement Pack (Sean Ellis “very disappointed” survey, retention/usage evidence, reference-customer signals, and an action plan). Use for growth teams assessing PMF, PMF drift, and launch readiness.
prioritizing-roadmap
oldwinter/skills
Prioritize a product roadmap/backlog and produce a Roadmap Prioritization Pack (season framing, scoring model, ranked opportunities, roadmap, decision narrative, rollout plan).
usability-testing
oldwinter/skills
Plan, run, and synthesize usability tests and produce a Usability Test Pack (test plan, tasks/script, logistics, notes template, issue log, findings + recommendations). Use for usability test, user test, prototype test, user testing, usability study, Wizard of Oz, fake door.
user-onboarding
oldwinter/skills
Design and improve product user onboarding (first-time user experience) to drive activation and early retention. Produces an Onboarding & Activation Pack (aha moment spec, first 30 seconds + first mile plan, onboarding journey map, experiment backlog, measurement plan). Use for Growth teams.
enterprise-sales
oldwinter/skills
Create an Enterprise Deal Execution Pack (buying committee map + champion enablement, “no decision” prevention plan + mutual action plan, procurement/security packet, and POC-as-business-case plan + ROI model). Use for enterprise sales, procurement, security reviews, and enterprise pilots/POCs. Category: Sales & GTM.
justfile
oldwinter/skills
This skill should be used when users want to create, convert, or manage Justfiles for command automation. It handles converting Makefile, npm scripts, or shell commands to Justfile format, generating project-specific templates, and providing Justfile syntax guidance. Triggers on requests mentioning justfile, just command, command runner, Makefile conversion, or task automation.
supabase-postgres-best-practices
oldwinter/skills
Postgres performance optimization and best practices from Supabase. Use this skill when writing, reviewing, or optimizing Postgres queries, schema designs, or database configurations.
technical-roadmaps
oldwinter/skills
Turn an engineering strategy into a written Technical Roadmap Pack (Rumelt-style strategy: Diagnosis/Guiding Policy/Coherent Actions, roadmap table, initiative briefs, and alignment cadence). Use for technical roadmap, tech roadmap, engineering roadmap, architecture roadmap.
web-design-guidelines
oldwinter/skills
Review UI code for Web Interface Guidelines compliance. Use when asked to "review my UI", "check accessibility", "audit design", "review UX", or "check my site against best practices".
kargo-cli
oldwinter/skills
This skill should be used when users need to manage progressive delivery via Kargo CLI. It covers freight management, stage promotion, warehouse status, and deployment pipeline operations. Integrates with ArgoCD for GitOps sync. Triggers on requests mentioning Kargo, freight, stage promotion, progressive delivery, or deployment pipelines.
building-a-promotion-case
oldwinter/skills
Build a promotion case and produce a Promotion Case Pack (target role + timeline, ladder mapping, evidence log, impact narrative, manager alignment plan, sponsor/visibility map, submission-ready promo doc). Use for promotion packet, getting promoted, leveling up, career ladder, promotion committee. Category: Career.
career-transitions
oldwinter/skills
Plan and execute a career transition and produce a Career Transition Pack (progress metric + push/pull map, target archetypes, option scorecard, opportunity pipeline + outreach scripts, skills plan, 4–12 week experiment plan). Use for career change, career pivot, career transition, switching roles. Category: Career.
onboarding-new-hires
oldwinter/skills
Design a high-signal onboarding experience and produce a New Hire Onboarding Pack (preboarding checklist, first-week plan, buddy/first-pair plan, listening tour kit, working agreement, 30/60/90 + 1y/2y success plan, 30-day state-of-the-union memo). Use for onboarding, first 90 days, new hire ramp, manager onboarding plan, and joining plans. Category: Hiring & Teams.
fundraising
oldwinter/skills
Plan and run an early-stage fundraising process and produce a Fundraising Pack (raise decision memo, round design brief, pitch narrative + deck outline, investor pipeline + tracker, outreach/follow-up scripts, diligence checklist). Use for fundraising, raising capital, venture capital, pitch deck, investor outreach, pre-seed, seed. Category: Career.
writing-job-descriptions
oldwinter/skills
Write outcome-based, high-signal job descriptions and role scorecards that attract the right candidates and filter the wrong ones. Use for job description, job posting, job ad, role scorecard, hiring brief. Category: Hiring & Teams.
giving-presentations
oldwinter/skills
Plan and deliver persuasive, confident presentations and produce a Presentation Pack (brief, narrative, slide outline, Q&A bank, pre-brief plan, rehearsal plan, delivery checklist). Use for presentation, deck, keynote, all-hands, exec review, demo talk track. Category: Communication.