Agent skills
Skills you can use with AI coding agents, indexed from public GitHub repositories.
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designing-growth-loops
Design growth loops (viral/referral/acquisition loops, flywheels) and produce a Growth Loop Design Pack (loop map, loop scorecard, channel fit + paid-loop feasibility, experiment backlog, measurement plan). Use for growth teams creating new growth loops or innovating beyond incremental optimization.
oldwinter/skills 1
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positioning-messaging
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.
oldwinter/skills 1
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competitive-analysis
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.
oldwinter/skills 1
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continuous-learning
Automatically extract reusable patterns from Claude Code sessions and save them as learned skills for future use.
oldwinter/skills 1
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continuous-learning-v2
Instinct-based learning system that observes sessions via hooks, creates atomic instincts with confidence scoring, and evolves them into skills/commands/agents.
oldwinter/skills 1
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finding-mentors-and-sponsors
Build a mentor and sponsor network with targeted outreach and follow-up cadence.
oldwinter/skills 1
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building-a-promotion-case
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.
oldwinter/skills 1
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onboarding-new-hires
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.
oldwinter/skills 1
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finding-mentors-sponsors
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.
oldwinter/skills 1
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media-relations
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.
oldwinter/skills 1
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seo-audit
When the user wants to audit, review, or diagnose SEO issues on their site. Also use when the user mentions "SEO audit," "technical SEO," "why am I not ranking," "SEO issues," "on-page SEO," "meta tags review," "SEO health check," "my traffic dropped," "lost rankings," "not showing up in Google," "site isn't ranking," "Google update hit me," "page speed," "core web vitals," "crawl errors," or "indexing issues." Use this even if the user just says something vague like "my SEO is bad" or "help with SEO" — start with an audit. For building pages at scale to target keywords, see programmatic-seo. For adding structured data, see schema-markup. For AI search optimization, see ai-seo.
oldwinter/skills 1
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launch-marketing
Plan and execute launch marketing by producing a Launch Marketing Pack (launch brief, hook/sizzle, channel plan, PR outreach kit, internal readiness kit, execution checklist, measurement + experiment plan). Use for product launch, feature launch, go-to-market, GTM, announcement, and press outreach. Category: Marketing.
oldwinter/skills 1
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baoyu-post-to-x
Posts content and articles to X (Twitter). Supports regular posts with images/videos and X Articles (long-form Markdown). Uses real Chrome with CDP to bypass anti-automation. Use when user asks to "post to X", "tweet", "publish to Twitter", or "share on X".
oldwinter/skills 1
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baoyu-danger-gemini-web
Generates images and text via reverse-engineered Gemini Web API. Supports text generation, image generation from prompts, reference images for vision input, and multi-turn conversations. Use when other skills need image generation backend, or when user requests "generate image with Gemini", "Gemini text generation", or needs vision-capable AI generation.
oldwinter/skills 1
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baoyu-post-to-wechat
Posts content to WeChat Official Account (微信公众号) via API or Chrome CDP. Supports article posting (文章) with HTML, markdown, or plain text input, and image-text posting (贴图, formerly 图文) with multiple images. Use when user mentions "发布公众号", "post to wechat", "微信公众号", or "贴图/图文/文章".
oldwinter/skills 1
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baoyu-compress-image
Compresses images to WebP (default) or PNG with automatic tool selection. Use when user asks to "compress image", "optimize image", "convert to webp", or reduce image file size.
oldwinter/skills 1
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seo-aeo-audit
Optimize for search engine visibility, ranking, and AI citations. Use when asked to improve SEO, optimize for search, fix meta tags, add structured data, or improve AEO and AI visibility.
oldwinter/skills 1
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baoyu-danger-x-to-markdown
Converts X (Twitter) tweets and articles to markdown with YAML front matter. Uses reverse-engineered API requiring user consent. Use when user mentions "X to markdown", "tweet to markdown", "save tweet", or provides x.com/twitter.com URLs for conversion.
oldwinter/skills 1
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seo-geo
SEO & GEO (Generative Engine Optimization) for websites. Analyze keywords, generate schema markup, optimize for AI search engines (ChatGPT, Perplexity, Gemini, Copilot, Claude) and traditional search (Google, Bing). Use when user wants to improve search visibility, search optimization, search ranking, AI visibility, ChatGPT ranking, Google AI Overview, indexing, JSON-LD, meta tags, or keyword research.
oldwinter/skills 1
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audit-website
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.
oldwinter/skills 1
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marketplace-liquidity
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.
oldwinter/skills 1
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brand-storytelling
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.
oldwinter/skills 1
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content-marketing
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.
oldwinter/skills 1
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community-building
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.
oldwinter/skills 1