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By agent · Claude Code

Claude Code skills: 1068 worth installing

Skills in the open SKILL.md format that Claude Code reads. Each one has a plain-language summary and the command to install it.

Installing a skill in Claude Code

$ npx skills add <author>/<skill>

Replace the placeholder with the author and skill name from the skill's page. Start a new Claude Code session afterwards so the skill is picked up.

Skills for Claude Code

All skills

Ad Budget Pacing

Maya-Beth Finotti

Tracks campaign or account spend against a period budget across ad platforms, flags meaningful under- or over-pacing, and calculates the daily correction required.

Marketing and SEOGitHub stars: 0Installs: 3.5k

Advertising Kickoff

Maya-Beth Finotti

Routes paid advertising projects to the right skill in a 31-skill collection, preserving shared context across sessions and identifying gaps when no route fits.

Marketing and SEOGitHub stars: 0Installs: 3.5k

Ad Account Diagnostic

Maya-Beth Finotti

Diagnoses underperforming paid ad accounts by tracing tracking, structure, targeting, creative, bidding, offer and external causes.

Marketing and SEOGitHub stars: 0Installs: 3.5k

Ad Spend Guardrails

Maya-Beth Finotti

Sets paid-media CAC, ROAS, cash and kill-switch guardrails from contribution margin, payback and runway, with owners, overrides and restart rules.

Marketing and SEOGitHub stars: 0Installs: 3.5k

Ad Creative Fatigue

Maya-Beth Finotti

Diagnoses whether a running ad is suffering creative fatigue or a confounder across Meta, Google Ads, LinkedIn and TikTok, then recommends the next action.

Marketing and SEOGitHub stars: 0Installs: 3.5k

CAC & ROAS Benchmark

Maya-Beth Finotti

Computes CAC, ROAS, MER and payback from advertising spend data, then judges spend health against break-even, history and external benchmarks.

Marketing and SEOGitHub stars: 0Installs: 3.5k

Ad Audience Targeting

Maya-Beth Finotti

Maps an ICP and buying signals into sized, budgeted ad audience tiers for prospecting, lookalikes, first-party lists and retargeting without overlap.

Marketing and SEOGitHub stars: 0Installs: 3.5k

Ad Spend Allocation

Maya-Beth Finotti

Allocates a fixed paid-media budget across campaigns, platforms and funnel stages using marginal return, evidence gates and bounded reallocation rules.

Marketing and SEOGitHub stars: 0Installs: 3.5k

Paid Media Scaling

Maya-Beth Finotti

Plans budget increases for proven paid campaigns, choosing step sizes, hold periods and rollback triggers while checking marginal economics, evidence and capacity.

Marketing and SEOGitHub stars: 0Installs: 3.5k

Ad Buyer Group Mapper

Maya-Beth Finotti

Maps B2B buying committees and multi-decider household purchases to role-specific messaging, ad-platform targeting proxies and buying-stage sequences.

Marketing and SEOGitHub stars: 0Installs: 3.5k

Ad Platform Selection

Maya-Beth Finotti

Selects paid advertising channel families by business economics, audience, funnel stage, budget and allowable CAC, then defines a focused test plan.

Marketing and SEOGitHub stars: 0Installs: 3.5k

Advertising Career

Maya-Beth Finotti

Plans paid-advertising careers with interview preparation, skill-gap roadmaps, NDA-safe portfolios and choices between agency, in-house and freelance work.

ProductivityGitHub stars: 0Installs: 3.5k

Advertising Hiring

Maya-Beth Finotti

Builds hiring packets for paid-advertising roles, covering role scope, scorecards, interview loops, work samples and staged 30-60-90 ramps.

ProductivityGitHub stars: 0Installs: 3.5k

Retargeting Funnel

Maya-Beth Finotti

Designs multi-stage retargeting plans for paid advertising using conversion data, audience exclusions, message ladders, frequency caps and measurement tests.

Marketing and SEOGitHub stars: 0Installs: 3.5k

Browser Use Cloud

Browser UseOfficial

Documents Browser Use Cloud APIs and SDKs for hosted browser automation, sessions, profiles, CDP connections, proxies and integrations.

DevelopmentGitHub stars: 117kInstalls: 3k

Creates an end-to-end map of a customer experience, covering stages, touchpoints, emotions, pain points and improvement opportunities.

ResearchGitHub stars: 26.7kInstalls: 2.9k

Dart Use Doc Examples

FlutterOfficial

Injects external Dart files into dartdoc documentation, with regions and hidden setup lines for focused, analyzable code examples.

DevelopmentGitHub stars: 3kInstalls: 3k

.NET AOT Compat

.NETOfficial

Makes .NET projects compatible with Native AOT and trimming by resolving IL analyzer warnings with annotations, refactoring and source-generated JSON.

DevelopmentGitHub stars: 5.5kInstalls: 2.6k

.NET P/Invoke

.NETOfficial

Creates and reviews .NET P/Invoke and LibraryImport declarations for native libraries, including types, strings, memory ownership and handles.

DevelopmentGitHub stars: 5.5kInstalls: 2.5k

Create Skill

.NETOfficial

Scaffolds new agent skills for the dotnet/skills repository, including frontmatter, directory structure, workflow guidance and validation.

DevelopmentGitHub stars: 5.5kInstalls: 2.5k

Dart Use Path Package

FlutterOfficial

Replaces fragile Dart path string operations with cross-platform handling from package:path and package:file.

DevelopmentGitHub stars: 3kInstalls: 2.6k

Migrates existing C# projects to nullable reference types, resolving compiler warnings while preserving runtime behaviour and API intent.

DevelopmentGitHub stars: 5.5kInstalls: 2.5k

Imports projects and their Git history into an Nx workspace, adapting paths, dependencies, plugins and TypeScript settings for monorepo use.

DevelopmentGitHub stars: 28Installs: 2.4k

Provides language-specific testing guidance for the .NET code-testing pipeline, including commands, conventions and common errors.

DevelopmentGitHub stars: 5.5kInstalls: 2.5k

Questions

Claude Code and skills.

What is a Claude Code skill?

A folder with a SKILL.md file: instructions, and sometimes scripts and reference files, that Claude Code loads when a task calls for them.

How do I install a skill in Claude Code?

Each skill page has an install command. Run it in a terminal, then start a new Claude Code session so the skill is picked up.

What is the difference between a skill and an instructions file such as AGENTS.md?

An instructions file is loaded in every session and describes the project. A skill is loaded only when a task calls for it, so it can be long and specific without costing context on every turn.

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