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Browse and install thousands of AI Agent skills in the Killer-Skills directory. Supports Claude Code, Windsurf, Cursor, and more.

This directory brings installable AI Agent skills into one place so you can filter by search, category, topic, and official source, then install them directly into Claude Code, Cursor, Windsurf, and other supported environments.

3345 available skills

yandex-competitive-analysis

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altrr2

Analyze competitors and search landscape in Russian/CIS markets using Yandex tools. Finds who ranks for keywords, identifies content gaps, and discovers ranking opportunities. Use when user asks about

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Developer

cicd-workflows

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marcoodignoti

Helps understand and write EAS workflow YAML files for Expo projects. Use this skill when the user asks about CI/CD or workflows in an Expo or EAS context, mentions .eas/workflows/, or wants help with

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Developer

ai-ad-spec-governor

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wade56754

The ai-ad-spec-governor skill executes Spec-Driven governance and SoT alignment across document systems, benefiting AI_ad_spend02 project developers. It automates document auditing, repair, validation

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Developer

copywriting

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danstrem2

When the user wants to write, rewrite, or improve marketing copy for any page — including homepage, landing pages, pricing pages, feature pages, about pages, or product pages. Also use when the user s

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Developer

langfuse

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avivsinai

Debug AI traces, find exceptions, analyze sessions, and manage prompts via Langfuse MCP. Use when debugging AI pipelines, investigating errors, analyzing latency, managing prompt versions, or setting

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Developer

openspec-apply-change

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alexey1312

Implement tasks from an OpenSpec change. Use when the user wants to start implementing, continue implementation, or work through tasks.

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Developer

core-web-vitals

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sayeedjoy

Optimize Core Web Vitals (LCP, INP, CLS) for better page experience and search ranking. Use when asked to improve Core Web Vitals, fix LCP, reduce CLS, optimize INP, page experience optimization, or f

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Developer

seo-aeo-audit

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warpdotdev

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.

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Developer

antfu

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oyjt

Anthony Fus {Opinionated} preferences and best practices for web development

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Developer

openspec-new-change

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gAmUssA

Start a new OpenSpec change using the experimental artifact workflow. Use when the user wants to create a new feature, fix, or modification with a structured step-by-step approach.

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Developer

add-step

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segal-noam

Add or insert a new numbered pipeline step in the p2cs_project, following the standardized Step/DataFile/explore notebook patterns and safely renumbering subsequent steps (code, data, figures, tests,

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Developer

mcp-change-plan

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stackconsult

A brief description, shown to the model to help it understand when to use this skill

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Developer