AI Agent Skills

high-performance graph database for real-time use cases

10 Weeks, 20 Lessons, Data Science for All!

scikit-learn: machine learning in Python

Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much…

ShellCheck, a static analysis tool for shell scripts

PHP Static Analysis Tool - discover bugs in your code without running it!

WeFlow - 一个本地的微信聊天记录导出和年度报告应用

A modular graph-based Retrieval-Augmented Generation (RAG) system

Pre-indexed code knowledge graph for Claude Code, Codex, Gemini, Cursor, OpenCode, AntiGravity, Kiro, and Hermes Agent — fewer tokens, fewer tool calls, 100% local

Apache Flink

DuckDB is an analytical in-process SQL database management system

CockroachDB — the cloud native, distributed SQL database designed for high availability, effortless scale, and control over data placement.

An Open Source implementation of Notebook LM with more flexibility and features

SQL powered operating system instrumentation, monitoring, and analytics.

MyBatis SQL mapper framework for Java

Turso is an in-process SQL database, compatible with SQLite.