# Startup Skills: Corey Haines > Every skill by Corey Haines in the index, with a line saying when to use each one. I index these, I do not host them. Every entry points at the original author's repo and carries a source byline. ## Entries (13) - [Onboarding](https://github.com/coreyhaines31/marketingskills/tree/main/skills/onboarding) by Corey Haines: Use when people sign up, never activate, and drop out in week one. - [Ads](https://github.com/coreyhaines31/marketingskills/tree/main/skills/ads) by Corey Haines: Use when deciding which paid channel to run and how to target it. - [AI SEO](https://github.com/coreyhaines31/marketingskills/tree/main/skills/ai-seo) by Corey Haines: Use when a site must be cited inside ChatGPT and AI search answers. - [Attribution](https://github.com/coreyhaines31/marketingskills/tree/main/skills/attribution) by Corey Haines: Use when two dashboards disagree about which channel drove the signups. - [Churn prevention](https://github.com/coreyhaines31/marketingskills/tree/main/skills/churn-prevention) by Corey Haines: Use when subscribers keep cancelling and there is no save or dunning flow. - [Content strategy](https://github.com/coreyhaines31/marketingskills/tree/main/skills/content-strategy) by Corey Haines: Use when deciding what content to produce and which topics to cover. - [Copy editing](https://github.com/coreyhaines31/marketingskills/tree/main/skills/copy-editing) by Corey Haines: Use when copy already exists and reads badly rather than needing rewriting. - [Customer research](https://github.com/coreyhaines31/marketingskills/tree/main/skills/customer-research) by Corey Haines: Use when customer evidence must come from transcripts, reviews and forums rather than calls. - [Directory submissions](https://github.com/coreyhaines31/marketingskills/tree/main/skills/directory-submissions) by Corey Haines: Use when submitting a product to startup, SaaS, AI or MCP directories for backlinks. - [Marketing council](https://github.com/coreyhaines31/marketingskills/tree/main/skills/marketing-council) by Corey Haines: Use when one marketing decision needs several expert views before it is made. - [Marketing loops](https://github.com/coreyhaines31/marketingskills/tree/main/skills/marketing-loops) by Corey Haines: Use when a marketing task should run weekly on its own rather than once. - [Marketing plan](https://github.com/coreyhaines31/marketingskills/tree/main/skills/marketing-plan) by Corey Haines: Use when a whole marketing plan must be written for the next twelve months. - [SEO audit](https://github.com/coreyhaines31/marketingskills/tree/main/skills/seo-audit) by Corey Haines: Use when rankings or traffic dropped and nobody knows which part broke. ## Links - [Page](https://startupskills.dev/coreyhaines31): the same list, for a person. - [The whole index](https://startupskills.dev/llms.txt): all 189 entries. - [Skills index](https://startupskills.dev/skills): every skill, with search.