Featured

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.

2071 available skills

Property Testing

Logo of captjay98
captjay98

Property Testing is a software testing approach that verifies properties hold for all possible inputs, using frameworks like fast-check.

0
0
Developer

common

Logo of wollfoo
wollfoo

Common is a library that offers API key management and Vertex AI support for developers using the Gemini API.

0
0
Developer

verify-npc-data

Logo of peppone-choi
peppone-choi

verify-npc-data is a skill that validates NPC data by checking 5-stat completion, comparing with official Three Kingdoms 14 data, and identifying missing characters.

0
0
Developer

common

Logo of wollfoo
wollfoo

Common is a library of utilities for AI agent skills using the Gemini API, offering features like API key management and Vertex AI support.

0
0
Developer

effect-layers-services

Logo of mepuka
mepuka

effect-layers-services is a skill for composing services and layers in AI coding, enabling developers to define interfaces, bind implementations, and test vs live setups.

0
0
Developer

setup-dev

[ Official ]
Logo of getsentry
getsentry

Developer-first error tracking and performance monitoring

43.2k
0
DevOps & Cloud

mobile-design

Logo of mrmps
mrmps

A tool to get summaries and get past paywalls

1.2k
0
AI

release

Logo of ziggy42
ziggy42

A WASM virtual machine written in Go with 0 dependencies

414
0
Developer

docs-enrich-section

Logo of zio
zio

docs-enrich-section is a technical skill that enriches documentation sections with details on what an API returns, why it exists, and when to use it.

99
0
Developer

coding-rules

Logo of relytcloud
relytcloud

coding-rules is a skill that enables a native lakehouse experience in Postgres, powered by DuckDB and Ducklake, for streamlined data analysis and management.

61
0
Data

openspec-workflows

Logo of datenoio
datenoio

openspec-workflows is a Python library enabling data file conversions between formats such as BSON, JSON, NDJSON, Parquet, ORC, XLS, XLSX, and XML

29
0
Developer

plugins-guide

Logo of kcosr
kcosr

Panel-based personal assistant with a plugin architecture for productivity workflows. AI agents share a workspace of notes, lists and other panels with the user. Supports Claude Code, Codex, and pi CLI agents with text and voice interfaces. Extend with custom plugins or use built-in plugins exported as skills with CLIs.

22
0
Developer