K-Dense-AI / scientific-agent-skills

A collection of 177 validated scientific skills for AI agents, covering biology, chemistry, medicine, and data analysis, plus 100+ scientific database references.

Alishahryar1 / free-claude-code

A local proxy that lets Claude Code, Codex, OpenCode and other coding agents run on free or alternative model providers.

sickn33 / agentic-awesome-skills

Local CLI, MCP server, and catalog for searching, selecting, validating, and previewing installs of 2,700+ reusable SKILL.md agent playbooks.

wshobson / agents

A multi-harness collection of plugins, agents, skills, and commands for AI coding tools like Claude Code, Codex CLI, and Cursor.

google / artemis

Lets AI agents and test suites drive real Android devices from natural-language instructions, with logcat capture and MCP integration.

VectifyAI / PageIndex

Python library and SDK that builds a hierarchical tree index of documents so an LLM can reason through it for retrieval, without vector databases or chunking.