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Ours, and the most useful free, open-source skills for writing, posting, AI search and SEO. Copy one line per skill, or one line for all of them, and your agent installs them.
Free, no signupOne line installs every skill on this page. Paste it to your agent and it clones each repository and reads the file.
Install these skills for me. For each item below, clone the repository, read the named file in full, and keep it as a skill you follow when the task fits. Do not write into my CLAUDE.md, AGENTS.md or any other instruction file. When you are done, tell me in one line each what every skill does. 1. Roughen: clone https://github.com/afterlaunch/skills and read skills/roughen/SKILL.md 2. Humanizer: clone https://github.com/blader/humanizer and read SKILL.md 3. LinkedIn humaniser: clone https://github.com/sergebulaev/linkedin-skills and read skills/linkedin-humanizer/SKILL.md 4. X humaniser: clone https://github.com/sergebulaev/x-skills and read skills/x-humanizer/SKILL.md 5. LinkedIn post: clone https://github.com/Jakeschincariol/linkedin-agent-skill and read skills/li-post/SKILL.md 6. LinkedIn post writer: clone https://github.com/sergebulaev/linkedin-skills and read skills/linkedin-post-writer/SKILL.md 7. X post: clone https://github.com/Jakeschincariol/x-agent-skill and read skills/x-post/SKILL.md 8. X post writer: clone https://github.com/sergebulaev/x-skills and read skills/x-post-writer/SKILL.md 9. X thread builder: clone https://github.com/sergebulaev/x-skills and read skills/x-thread-builder/SKILL.md 10. Social post writer: clone https://github.com/charlie947/social-media-skills and read skills/post-writer/SKILL.md 11. AI SEO: clone https://github.com/coreyhaines31/marketingskills and read skills/ai-seo/SKILL.md 12. AEO website audit: clone https://github.com/onvoyage-ai/gtm-engineer-skills and read audit-website-aeo/SKILL.md 13. Schema markup: clone https://github.com/coreyhaines31/marketingskills and read skills/schema/SKILL.md 14. SEO audit: clone https://github.com/coreyhaines31/marketingskills and read skills/seo-audit/SKILL.md 15. Web quality SEO: clone https://github.com/addyosmani/web-quality-skills and read skills/seo/SKILL.md 16. Programmatic SEO: clone https://github.com/coreyhaines31/marketingskills and read skills/programmatic-seo/SKILL.md
Built by the AfterLaunch team, published one at a time.
Makes machine-written prose read as if a person typed it: strips the patterns that give AI writing away, fixes a model's words and only flags a person's, then rolls dice at tolerances you set to put back a little roughness.
Clone https://github.com/afterlaunch/skills and read skills/roughen/SKILL.md in full. Keep it as a skill you follow when the task fits. Do not write into my instruction files.
For any prose a model drafted.
Removes the signs of AI-generated writing from a text while keeping what it says, working from a published list of those signs.
Clone https://github.com/blader/humanizer and read SKILL.md in full. Keep it as a skill you follow when the task fits. Do not write into my instruction files.
Removes the AI tells from a LinkedIn post or comment: the vocabulary, the reveal bridges, the staccato fragments.
Clone https://github.com/sergebulaev/linkedin-skills and read skills/linkedin-humanizer/SKILL.md in full. Keep it as a skill you follow when the task fits. Do not write into my instruction files.
Removes the AI phrasing from a post or thread for X before it goes out.
Clone https://github.com/sergebulaev/x-skills and read skills/x-humanizer/SKILL.md in full. Keep it as a skill you follow when the task fits. Do not write into my instruction files.
Drafting only. Posting stays yours.
Drafts LinkedIn posts from a library of hook formulas; one of eleven skills for running a LinkedIn account, with nothing posted until you say yes.
Clone https://github.com/Jakeschincariol/linkedin-agent-skill and read skills/li-post/SKILL.md in full. Keep it as a skill you follow when the task fits. Do not write into my instruction files.
Writes LinkedIn posts; the same repository adds a content planner, a hook extractor, a comment drafter and a profile optimiser. Drafts only, unless you add its optional publishing key.
Clone https://github.com/sergebulaev/linkedin-skills and read skills/linkedin-post-writer/SKILL.md in full. Keep it as a skill you follow when the task fits. Do not write into my instruction files.
Drafts posts for X with a virality check behind each idea; one of eleven skills for running an X account, with nothing posted until you approve it.
Clone https://github.com/Jakeschincariol/x-agent-skill and read skills/x-post/SKILL.md in full. Keep it as a skill you follow when the task fits. Do not write into my instruction files.
Writes single posts for X; the same repository adds a hook extractor, a reply drafter and a repurposer. Drafts only, unless you add its optional publishing key.
Clone https://github.com/sergebulaev/x-skills and read skills/x-post-writer/SKILL.md in full. Keep it as a skill you follow when the task fits. Do not write into my instruction files.
Builds a long thread for X from a thread formula: the listicle thread, the story thread and the rest.
Clone https://github.com/sergebulaev/x-skills and read skills/x-thread-builder/SKILL.md in full. Keep it as a skill you follow when the task fits. Do not write into my instruction files.
Writes posts from a voice file you build first; the same repository scores them, generates hooks and scripts carousels and reels.
Clone https://github.com/charlie947/social-media-skills and read skills/post-writer/SKILL.md in full. Keep it as a skill you follow when the task fits. Do not write into my instruction files.
What ChatGPT, Perplexity and AI Overviews read.
Shapes content to be cited by language models and to appear in AI-generated answers, including llms.txt and AI crawler access.
Clone https://github.com/coreyhaines31/marketingskills and read skills/ai-seo/SKILL.md in full. Keep it as a skill you follow when the task fits. Do not write into my instruction files.
Audits a website for answer-engine optimisation with a dependency-free crawler; a sibling skill in the same repository edits your site to improve the score.
Clone https://github.com/onvoyage-ai/gtm-engineer-skills and read audit-website-aeo/SKILL.md in full. Keep it as a skill you follow when the task fits. Do not write into my instruction files.
Adds, fixes or improves the schema markup and structured data on a site, which answer engines read.
Clone https://github.com/coreyhaines31/marketingskills and read skills/schema/SKILL.md in full. Keep it as a skill you follow when the task fits. Do not write into my instruction files.
Audits, structured data, pages at scale.
Audits and diagnoses a site's SEO: technical issues, and why a page is not ranking.
Clone https://github.com/coreyhaines31/marketingskills and read skills/seo-audit/SKILL.md in full. Keep it as a skill you follow when the task fits. Do not write into my instruction files.
Technical and on-page SEO checks drawn from Lighthouse and Core Web Vitals: crawlability, sitemaps, titles, headings, internal links and structured data.
Clone https://github.com/addyosmani/web-quality-skills and read skills/seo/SKILL.md in full. Keep it as a skill you follow when the task fits. Do not write into my instruction files.
Creates search-driven pages at scale from a template and a data set.
Clone https://github.com/coreyhaines31/marketingskills and read skills/programmatic-seo/SKILL.md in full. Keep it as a skill you follow when the task fits. Do not write into my instruction files.
Every skill here is a markdown file an AI agent can follow. Copy the line, paste it to your agent, and it fetches the file and keeps it as a skill.
Ours live in the afterlaunch/skills repository on GitHub, one folder per skill, published one at a time. The rest are other people's, listed because they are useful, free and open source.
Nothing here writes into your instruction files or runs code from a URL. Your agent clones a repository you can read first.
No. Each belongs to its author, under the licence named on its card. We list them because they are useful; read the file before you follow it.
No. The skills run wherever your agent runs. Nothing is sent to us.