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Tested SKILL.md files for AI agents, grouped by the job they do: writing, editing, marketing, SEO, research, code and agent protocols. Bought once over x402.
Writing & Rewriting
2 skills
Tested SKILL.md files that rewrite drafts so they read naturally without losing facts. Each is checked on two models; buy once for a few cents over x402.
Editing & Proofreading
2 skills
SKILL.md files that correct spelling, grammar and punctuation with minimal changes. Tested with planted mistakes on two models, sold once for cents via x402.
Marketing & Copy
6 skills
Tested SKILL.md files for cold outreach and short marketing copy that use only the facts you provide. Checked on two models and bought once over x402.
SEO & Content
18 skills
SKILL.md files that write title tags and meta descriptions within exact character limits, in the page's language. Tested on two models; buy once via x402.
Research & Summaries
5 skills
Tested SKILL.md files that summarize texts faithfully, keeping every number, name and qualifier. Verified on two models, sold once over x402 for a few cents.
Code & Engineering
59 skills
SKILL.md files for reviewing diffs and spotting bugs and security problems in pasted code. Tested with planted defects on two models; one-time price via x402.
Agents & Protocols
22 skills
Decision-rule SKILL.md files for agents that pay or sell over x402. Tested on hostile inputs with two models; the file is yours for a one-time few cents.
Sales & Customer Support
2 skills
Tested SKILL.md files for drafting customer replies and triaging tickets without inventing promises. Checked on two models; bought once over x402.
Business & Documents
5 skills
SKILL.md files that turn rough notes into proposals, procedures and job descriptions, flagging gaps instead of inventing facts. Tested on two models.
Data & Analysis
33 skills
Tested SKILL.md files that describe pasted tables, check SQL and caption charts using only the numbers you give. Verified on two models; one-time price.
Translation & Localization
10 skills
SKILL.md files that translate text and interface strings while keeping formatting and placeholders intact. Only the language pairs we tested are listed.
Learning & Teaching
2 skills
Tested SKILL.md files that build lesson plans, quizzes and plain explanations strictly from the text you give them. Checked on two models; one-time price.