Best AI skills

What are AI skills?

AI skills are prebuilt capabilities you add to an assistant (custom GPTs, Claude Skills and Gemini Gems) that specialise it for one job, like writing, coding, research or design, so you get expert results without crafting the prompt yourself.

✍️Writing & content3

• Write For MeGPTDraft long-form copy to a target length and tone.
• Writing editorGeminiSharpen drafts for clarity, grammar and flow.
• Word documentsClaudeGenerate and edit .docx with real formatting.

💻Coding & dev16

• Code CopilotGPTPair-program, debug and ship across languages.
• Coding partnerGeminiExplain, generate and review code as you build.
• MCP builderClaudeScaffold a working MCP server from a spec.
• GrimoireGPTBuild apps from a prompt, with a coding course built in.
• SuperpowersClaudeA full brainstorm-to-merge agentic dev workflow.
• Karpathy BehaviouralClaudeTeach the agent to avoid the classic LLM coding pitfalls.
• CavemanClaudeCut agent output tokens by writing terse, high-signal replies.
• Code reviewerClaudeReview a diff like a careful senior engineer.
• Web app testingClaudeDrive your local app through Playwright to verify a change.
• Google Workspace CLIClaudeDrive all of Google Workspace from the assistant.
• Claude APIClaudeBuild against the Claude API without reading the whole docs site.
• skill-creatorClaudeScaffold and package a new Claude Agent Skill to the current spec.
• Trail of Bits Security SkillsClaudeRun professional security audits and static analysis from a coding agent.
• Agent SkillsClaudeProduction engineering practice, encoded as skills a coding agent follows.
• Reverse skillClaudeRoute an agent through reverse engineering and authorised security testing.
• Google skillsGeminiWork with Google products and technologies from an agent.

🔬Research & analysis4

• ConsensusGPTAnswer questions with evidence from real papers.
• Scholar GPTGPTSearch 200M+ papers and read them with you.
• Deep ResearchGeminiPlan, browse and compile a cited report.
• NotebookLMGeminiGround a research session in your own documents.

🎨Design & images11

• Frontend designClaudeGive the assistant a real design system and taste.
• Image generatorGPTGenerate and refine images from a description.
• Logo CreatorGPTDesign clean logos and brand marks.
• Web artifacts builderClaudeGenerate self-contained interactive web artifacts.
• Canvas designClaudeLay out visual compositions the model can reason about.
• Theme factoryClaudeProduce a coherent visual theme instead of ad-hoc colours.
• Whimsical DiagramsGPTSketch flowcharts, mind maps and wireframes from text.
• HallmarkMultiGenerate web UI that doesn't read as AI-generated.
• video-useMultiEdit a folder of raw footage into a finished cut by chatting with an agent.
• Design engineering skillsClaudeGive an agent a designer's eye for interface work.
• Diagram designClaudeDraw 29 editorial diagram types instead of one default flowchart.

📑Productivity & docs4

• PowerPoint decksClaudeBuild polished slide decks, no template wrangling.
• PDF toolsClaudeFill, merge and extract data from PDFs.
• Gemini in WorkspaceGeminiPull in Gmail, Docs, Drive and Calendar.
• Doc co-authoringClaudeDraft and revise long documents alongside the model.

📊Data & sheets3

• Excel spreadsheetsClaudeCreate .xlsx with formulas and charts.
• Data AnalystGPTUpload data and get charts and insights.
• Gemini in SheetsGeminiGenerate formulas and analyse Google Sheets.

🎓Learning4

• Universal PrimerGPTLearn anything fast, from first principles.
• Learning coachGeminiStudy any topic with guided practice.
• Career guideGeminiExplore roles and build a path into them.
• Book to skillClaudeTurn a technical book into a skill the agent can study and apply.

📣Marketing & social3

• CanvaGPTTurn ideas into posts, decks and logos.
• Brand guidelinesClaudeApply your fonts, colours and voice automatically.
• BrainstormerGeminiSpin up campaign ideas, names and angles.