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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

SymPy

K-Dense

Guides exact symbolic mathematics in Python with SymPy, covering algebra, calculus, equation solving, matrices, physics and executable code generation.

DevelopmentGitHub stars: 47.4kInstalls: 1.8k

Pyzotero

K-Dense

Manages Zotero reference libraries with the pyzotero Python client, including bibliographic items, collections, tags, attachments and citation exports.

ResearchGitHub stars: 47.4kInstalls: 1.8k

Generates and edits photos, illustrations, logos and other visual assets through OpenRouter's Image API, with model and output controls.

Video and mediaGitHub stars: 47.4kInstalls: 1.8k

Loads Hugging Face Transformers models for inference, text generation, tokenisation and Trainer-based fine-tuning across language, vision and audio tasks.

DevelopmentGitHub stars: 47.4kInstalls: 1.8k

SHAP

K-Dense

Explains and audits machine-learning predictions with SHAP, selecting explainers, validating feature attributions, and producing local or global visualisations.

DataGitHub stars: 47.4kInstalls: 1.8k

Detects effective CPU, memory, disk, scheduler and accelerator limits with Python, then plans conservative resources for local scientific workloads.

DevelopmentGitHub stars: 47.4kInstalls: 1.8k

Creates professional infographics with Nano Banana Pro, using optional Perplexity research, style presets, accessible palettes and iterative quality review.

Video and mediaGitHub stars: 47.4kInstalls: 1.8k

Dask

K-Dense

Scales pandas, NumPy, text and custom Python workloads beyond memory with Dask's parallel collections, schedulers and clusters.

DataGitHub stars: 47.4kInstalls: 1.8k

MATLAB

K-Dense

Guides MATLAB and GNU Octave workflows for numerical code, data, testing, plotting, migration and safe Python interoperability.

DevelopmentGitHub stars: 47.4kInstalls: 1.7k

Optimises scientific Python workloads for NVIDIA GPUs with CUDA and RAPIDS, choosing suitable libraries, validating results and benchmarking end-to-end speed.

DevelopmentGitHub stars: 47.4kInstalls: 1.7k

Builds and evaluates right-censored and competing-risk survival models with scikit-survival, using leakage-safe pipelines and censoring-aware metrics.

DataGitHub stars: 47.4kInstalls: 1.7k

Migrates agent skills and their supporting files into an existing Warp Factory configuration with adapted roles, handoffs and validation.

DevelopmentGitHub stars: 599Installs: 1.7k

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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