Yell Repo

A curated collection of the most interesting GitHub repositories — from AI agents and Claude Code workflows to local LLMs and research tools. Each project is explained as a story: what it does, why it matters, and when you should use it.

mukul975/Anthropic-Cybersecurity-Skills — Anthropic Cybersecurity Skills: The Binder Behind a Senior Analyst
11.2k

Anthropic Cybersecurity Skills: The Binder Behind a Senior Analyst

754 Markdown playbooks an AI agent can load: Volatility3 runs, Kerberoasting hunts, cloud breach scoping. Mapped to ATT&CK, NIST, ATLAS, D3FEND.

cybersecurity ai-agents claude-code mitre-attack dfir
mukul975/Anthropic-Cybersecurity-Skills
Lum1104/Understand-Anything — Understand Anything: Graphs That Teach, Not Graphs That Impress
41.2k

Understand Anything: Graphs That Teach, Not Graphs That Impress

Claude Code plugin (also Cursor, Codex, Copilot, Gemini CLI) that turns any codebase into an interactive knowledge graph you can search and ask questions about.

knowledge-graph claude-code codebase-analysis developer-tools onboarding
Lum1104/Understand-Anything
decolua/9router — 9Router: Free AI Coding With Auto-Fallback and 40% Token Savings
14.8k

9Router: Free AI Coding With Auto-Fallback and 40% Token Savings

9Router is a local proxy that routes Claude Code, Cursor, and Cline through 40+ providers with auto-fallback, token compression, and zero-downtime quota…

ai developer-tools llm claude-code token-saving free-ai
decolua/9router
yikart/AiToEarn — AiToEarn: Publish to 14 Platforms, Let the Agent Handle the Rest
16.8k

AiToEarn: Publish to 14 Platforms, Let the Agent Handle the Rest

AiToEarn is an open-source AI agent that automates content publishing, engagement, creation, and monetization across Douyin, TikTok, YouTube, Instagram, and…

ai creator-tools automation typescript electron social-media
yikart/AiToEarn
Z4nzu/hackingtool — hackingtool: All-In-One Terminal Arsenal for Pentesters
76.6k

hackingtool: All-In-One Terminal Arsenal for Pentesters

The Python TUI putting 185+ security tools - BloodHound to Nuclei - one search command away. A catalog, not a weapon.

pentest security ctf-tools hacking terminal linux
Z4nzu/hackingtool
obsidianmd/obsidian-releases — Obsidian: Why Plain Text Notes Win in the End
18.2k

Obsidian: Why Plain Text Notes Win in the End

Obsidian is a free, local-first Markdown app that links your notes into a personal knowledge graph. Here's why half the internet switched from Notion.

knowledge-management productivity markdown obsidian developer-tools
obsidianmd/obsidian-releases
anthropics/financial-services — One Source, Two Surfaces: Anthropic's Financial Services Toolkit
28.3k

One Source, Two Surfaces: Anthropic's Financial Services Toolkit

10 Claude agents for investment banking, equity research, and fund admin, deployable as Cowork plugins or headless Managed Agents from a single YAML manifest.

claude ai-agents financial-services mcp anthropic investment-banking llm
anthropics/financial-services
leigest519/OpenGame — OpenGame: The Agent That Runs the Game to See If It Works
2.5k

OpenGame: The Agent That Runs the Game to See If It Works

OpenGame is a CLI agentic framework from CUHK MMLab that scaffolds, builds, and verifies browser games end-to-end from a plain-English prompt.

ai game-dev llm agentic-coding typescript
leigest519/OpenGame
AIDC-AI/Pixelle-Video — Pixelle-Video: One Topic, a ComfyUI Assembly Line
20.2k

Pixelle-Video: One Topic, a ComfyUI Assembly Line

Streamlit app that turns a topic or script into short video: LLM copy, ComfyUI or RunningHub media, TTS, BGM, HTML templates, ffmpeg out to output/.

comfyui short-video tts streamlit aigc video-generation
AIDC-AI/Pixelle-Video
soxoj/maigret — Maigret: The OSINT Detective That Finds Every Account
30.7k

Maigret: The OSINT Detective That Finds Every Account

OSINT tool that checks 3,000+ platforms for a username, recursively hunts linked accounts, and generates full HTML/PDF dossiers; no API keys required.

osint python cli cybersecurity investigation
soxoj/maigret
forrestchang/andrej-karpathy-skills — Four Principles to Stop LLMs Overengineering Your Code
159.6k

Four Principles to Stop LLMs Overengineering Your Code

A tiny CLAUDE.md and optional plugin that makes Claude Code ask, test, and edit surgically.

claude llm developer-experience
forrestchang/andrej-karpathy-skills
SimoneAvogadro/android-reverse-engineering-skill — Android Reverse Engineering Skill: Unpacking APKs Like a Pro
5.9k

Android Reverse Engineering Skill: Unpacking APKs Like a Pro

A Claude Code skill that decompiles Android apps and extracts their hidden APIs - no source code required. For security pros, hackers, and the curious.

android reverse engineering security decompiler claude code api analysis pentesting
SimoneAvogadro/android-reverse-engineering-skill
blitzdotdev/blitz-mac — Blitz: Autopilot for App Store Submission
1.7k

Blitz: Autopilot for App Store Submission

Native macOS App Store Connect client that automates submissions, screenshots, IAPs and agent-driven workflows via MCP.

app-store mcp macos app-submission screenshots
blitzdotdev/blitz-mac
shiyu-coder/Kronos — Kronos: A Foundation Model for the Language of Financial Markets
27k

Kronos: A Foundation Model for the Language of Financial Markets

Kronos tokenizes OHLCV K-line data and provides pre-trained autoregressive models and finetuning tools for forecasting.

finance time-series forecasting python
shiyu-coder/Kronos
santifer/career-ops — The Job Search System That Evaluated 740 Offers
47.5k

The Job Search System That Evaluated 740 Offers

Career-ops turns Claude Code into a 14-mode job search agent: structured A-F evaluations, ATS-optimized PDFs, batch processing, and a Go TUI dashboard. MIT.

ai-agent claude-code job-search automation career
santifer/career-ops
andrewyng/context-hub — Context Hub: The Curated Doc Layer Every Coding Agent Needs
13.4k

Context Hub: The Curated Doc Layer Every Coding Agent Needs

Context Hub (`chub`) gives AI coding agents current, versioned API docs on demand -- so they code from facts, not 18-month-old training weights.

ai-agents developer-tools claude-code api andrew-ng llm
andrewyng/context-hub
HoangYell/markdy-com — MarkdyScript: The Mermaid of Motion
0

MarkdyScript: The Mermaid of Motion

MarkdyScript is a declarative text DSL that turns 30 lines of plain code into Web Animations API scenes, git-diffable, LLM-friendly, and zero GSAP.

animation dsl typescript astro web-animations-api
HoangYell/markdy-com
microsoft/markitdown — MarkItDown: Everything Becomes Markdown
126.3k

MarkItDown: Everything Becomes Markdown

Microsoft's Python tool converts PDFs, Office docs, audio, and YouTube URLs to clean Markdown for LLM pipelines and RAG systems.

markdown python llm developer-tools microsoft
microsoft/markitdown
Leonxlnx/taste-skill — taste-skill: The Bias Correction File for AI Frontend
25k

taste-skill: The Bias Correction File for AI Frontend

taste-skill corrects the font, layout, and motion biases that push LLMs toward generic UI. A portable SKILL.md you commit once per project.

ai frontend design skill vibecoding agent tailwind react
Leonxlnx/taste-skill
abhigyanpatwari/GitNexus — GitNexus: The Repo Map That Finally Helps Agents Navigate
40.6k

GitNexus: The Repo Map That Finally Helps Agents Navigate

GitNexus builds a local code graph for MCP tools, browser exploration, and impact checks when text search stops explaining the repo.

mcp knowledge-graph code-intelligence ai-agent tree-sitter react
abhigyanpatwari/GitNexus
luongnv89/claude-howto — Claude Code's Missing Manual: Stop Typing and Start Orchestrating
34.4k

Claude Code's Missing Manual: Stop Typing and Start Orchestrating

A copy-paste survival guide that turns Claude from a basic chatbox into an automated team member.

claude-code guide tutorial
luongnv89/claude-howto
SakanaAI/AI-Scientist-v2 — AI Scientist-v2: The Robot That Writes Its Own Papers
6.4k

AI Scientist-v2: The Robot That Writes Its Own Papers

SakanaAI's AI Scientist-v2 autonomously generates ML research hypotheses, runs experiments via agentic tree search, and writes peer-reviewed papers. No…

ai-research machine-learning autonomous-agents python scientific-discovery
SakanaAI/AI-Scientist-v2
shareAI-lab/learn-claude-code — The Agent is the Model. The Code is Just a Vehicle.
63.2k

The Agent is the Model. The Code is Just a Vehicle.

A deep dive into learn-claude-code and the truth about AI agents: most frameworks are over-engineered Rube Goldberg machines.

agent claude-code tutorial
shareAI-lab/learn-claude-code
shanraisshan/claude-code-best-practice — The Conductor and the Machine: Orchestrating Claude Code
55.2k

The Conductor and the Machine: Orchestrating Claude Code

Claude Code is a beast. But to tame it, you need more than prompts. You need an orchestration framework.

claude-code agentic-engineering best-practices mcp
shanraisshan/claude-code-best-practice
alirezarezvani/claude-skills — Claude Skills: The Surgical Precision of Agentic Experts
16.4k

Claude Skills: The Surgical Precision of Agentic Experts

A library of 200+ modular expert instruction sets and zero-dependency Python tools for AI coding agents.

ai-agents claude-code system-prompting automation
alirezarezvani/claude-skills
microsoft/VibeVoice — VibeVoice: The Hour-Long Storyteller
47.5k

VibeVoice: The Hour-Long Storyteller

AI that doesn't forget who is talking even after an hour. VibeVoice handles long-form speech without the usual 'memory loss'.

ai speech-recognition tts microsoft
microsoft/VibeVoice
affaan-m/everything-claude-code — The Professional Kitchen for Your AI Agent
196.4k

The Professional Kitchen for Your AI Agent

Everything Claude Code isn't just a config pack; it's a performance system that turns a general-purpose AI into a precision instrument.

claude-code ai-agents productivity mcp
affaan-m/everything-claude-code
NousResearch/hermes-agent — Hermes Agent: The Desk That Remembers
170.7k

Hermes Agent: The Desk That Remembers

Most AI agents reset every session. Hermes Agent builds a persistent workbench that learns your stack, grows its own skills, and follows you across 7 platforms.

ai-agents productivity memory-loop open-source
NousResearch/hermes-agent