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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

Mapbox Cartography

MapboxOfficial

Guides map design with Mapbox: colour, visual hierarchy, typography and cartographic conventions.

DesignGitHub stars: 80Installs: 1.9k

Helps choose the right Mapbox search tool and parameters for geocoding, POI search and location discovery.

DevelopmentGitHub stars: 80Installs: 1.6k

Integration patterns for Mapbox GL JS in React, Vue, Svelte and Angular: setup, lifecycle, tokens and search.

DevelopmentGitHub stars: 80Installs: 2.4k

Builds or updates a PostHog dashboard from a set of insights through MCP.

DataGitHub stars: 72Installs: 48

Guides the creation of a PostHog experiment: hypothesis, rollout, bucketing, analytics and running time.

DataGitHub stars: 72Installs: 351

Creates and launches PostHog surveys through MCP, including NPS and CSAT popovers and hosted feedback forms.

DataGitHub stars: 72Installs: 22

Adds PostHog error tracking to capture exceptions with stack traces and source maps.

DevelopmentGitHub stars: 72Installs: 451

Adds PostHog feature flags so that new functionality can be rolled out safely.

DevelopmentGitHub stars: 72Installs: 467

Adds PostHog AI observability to trace LLM calls with token counts, latency and cost.

DevelopmentGitHub stars: 72Installs: 411

Builds voice and chat AI agents with LiveKit Agents and LiveKit Cloud, including handoffs and workflows.

DevelopmentGitHub stars: 71Installs: 119

Testing LiveKit Agents

LiveKitOfficial

Writes turn-level tests for a LiveKit agent in pytest or Vitest.

DevelopmentGitHub stars: 71Installs: 102

Runway Generate Audio

RunwayOfficial

Generates audio with the Runway API: text-to-speech, sound effects, voice isolation and dubbing.

Video and mediaGitHub stars: 71Installs: 277

Runway Generate Image

RunwayOfficial

Generates images with the Runway API from text, with optional reference images.

Video and mediaGitHub stars: 71Installs: 289

Runway Generate Video

RunwayOfficialAudit warning

Generates video with the Runway API: text-to-video, image-to-video and video-to-video.

Video and mediaGitHub stars: 71Installs: 551

Use Runway API

RunwayOfficial

Lets the agent call the Runway API directly to generate media, manage resources and check account state.

Video and mediaGitHub stars: 71Installs: 329

Prisma CLI

PrismaOfficial

Reference for the Prisma ORM 7 CLI: init, generate, migrate, db, dev and studio.

DevelopmentGitHub stars: 68Installs: 327k

Prisma Client API

PrismaOfficial

Reference for the Prisma Client API: model queries, filters, operators and client methods.

DevelopmentGitHub stars: 68Installs: 330k

Prisma Upgrade v7

PrismaOfficial

Guides the migration from Prisma ORM v6 to v7 through all the breaking changes.

DevelopmentGitHub stars: 68Installs: 317k

Convex Auth

ConvexOfficial

Adds passkey or OAuth authentication to a Convex app, including the auth.config.ts wiring.

DevelopmentGitHub stars: 63Installs: 27.7k

Convex Migrate

ConvexOfficial

Migrates the schema and backfills data on a deployed Convex app with @convex-dev/migrations.

DevelopmentGitHub stars: 63Installs: 27.7k

Convex Quickstart

ConvexOfficial

Gets a minimal Convex and web template running from a one-sentence idea.

DevelopmentGitHub stars: 63Installs: 123k

Convex

ConvexOfficial

Teaches an agent the Convex backend platform: database, server functions, scheduling, file storage, auth and realtime sync.

DevelopmentGitHub stars: 63Installs: 99.3k

Replicate Build Models

ReplicateOfficial

Packages custom AI models with Cog for deployment on Replicate.

DevelopmentGitHub stars: 62Installs: 1.4k

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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