A curated list of awesome Claude Skills, resources, and tools for customizing Claude AI workflows

Extracted system prompts from Anthropic - Claude Fable 5.1, Opus 5, Claude Design, Claude Code. OpenAI - ChatGPT GPT-6-Astra, Codex. Google - Gemini 3.8 Flash, 3.1 Pro, Antigravity. xAI - Grok, Grok Bot, Cursor, Kimi and more! Updated regularly.

A Claude skill that writes the accurate prompts for any AI tool. Zero tokens or credits wasted. Full context and memory retention

Encrypted, fully offline agentic memory. One click install, GUI w/ memory map, all OS and agents. Superior memory creation, storage and retrieval.

Control Claude Code, Codex CLI and Gemini CLI from Telegram. Live streaming, persistent memory, cron jobs, webhooks, Docker sandboxing.

End-to-end humanities writing assistant — an Agent Skill (open SKILL.md format). 11 modes from Socratic research-question sharpening through AI-use disclosure. Bilingual (EN/中文), discipline-aware (literature/history/philosophy/art/religion/linguistics + cross-disciplinary). Four-layer critique, calibratable devils advocate, voice preservation.

A curated collection of system prompts and tool definitions from production AI coding agents

MCP Server for using any LLM as a Tool

Source-backed feature comparison of memory systems for AI coding agents. No affiliation, no marketing — just facts from public docs.

From-scratch, byte-matching decompilation of Super Mario 64 DS (sm64ds decomp) into C, with a live progress atlas and matching tools.

MCP server for free Google AI Mode search with citations. Query optimization, CAPTCHA handling, multi-agent support. Works with Claude Code, Cursor, Cline, Windsurf.

Agent skills to run computational-chemistry tasks, used in OpenClaw

An agent skill to evolve the quality of LLM-Wiki (Graphify) at test time.

Deploy production-ready AI services in minutes. One YAML file for agents, RAG pipelines, and MCP servers — run anywhere. Inspired by docker-compose.

Modular music-composition skill for AI assistants — harmony, melody, form, 24+ genres.

AI-powered company knowledge MCP. Unified place for internal policies, values, documentation, and governance. Agents can search, cite, and answer questions using real company docs.

Capacities×MCP

A framework for discovering, compiling, and validating reusable skills for scientific agents.