Agent Skills tools for Gemini / Google

by Jesse Vincent - A strong bundle of core competencies for software engineering, with good coverage of a large portion of the SDLC - from planning, reviewing, testing, debugging... Well written, well organized, and adaptable. The author refers to them as "superpowers", but many of them are just consolidating engineering best practices - which sometimes does feel like a superpower when working wit

(91.5k ⭐) - An AI SKILL that provide design intelligence for building professional UI/UX multiple platforms

(67.0k ⭐) - AI coding assistant skill (Claude Code, Codex, OpenCode, OpenClaw, Factory Droid, Trae)

Production-grade engineering skills for AI coding agents, packaged as 24 reusable skills covering the full development lifecycle from /spec to /ship. The slash-command interface and context-aware auto-activation make it a concrete reference for turning senior-engineering judgment into agent-executable harness artifacts

(59.1k ⭐) - Claude Code skills that turn any codebase into an interactive knowledge graph you can explore, search, and ask questions about (Multi-platform e.g., Codex are supported)

30 curated skills + 832 SaaS automation templates via Composio. Strong on document processing, creative, and business skills

by K-Dense - "A set of ready-to-use Agent Skills for research, science, engineering, analysis, finance and writing." That's their description - modest, simple. That's how you can tell this is really one of the best skills repos on GitHub. If you've ever thought about getting a PhD... just read all of these documents instead. Also I think it IS an AI agent or something? Awesome

Installable library of 1,400+ agentic skills for Claude Code, Cursor, Codex CLI, Gemini CLI, and more. The largest community-driven skill catalog with an npm installer and role-based bundles — a concrete reference for treating skills as versioned harness artifacts rather than ad-hoc prompts

17 directives blocking the most common LLM coding honesty failures: hallucinated APIs, invented signatures, false-confidence validation, manufactured-urgency capitulation, authority-driven softening, and self-referential comments. Drop the .mdc in .cursor/rules/

Arm Cloud Migration Assistant accelerates moving x86 workloads to Arm infrastructure. It scans the repository for architecture assumptions, portability issues, container base image and dependency incompatibilities, and recommends Arm-optimized changes. It can drive multi-arch container builds, validate performance, and guide optimization, enabling smooth cross-platform deployment directly inside G

1,000+ agent skills from official dev teams and community. Works with Codex, Claude Code, Gemini CLI, Cursor

753 cybersecurity skills across 38 domains: cloud security, pentesting, red teaming, DFIR, malware analysis, threat intel, and more (MITRE ATT&CK mapped)

192 production-ready skills across 9 domains (engineering, marketing, product, compliance, C-level advisory) with 254 Python automation tools. 5,300+ stars

(18.8k ⭐) - Unofficial Python API and agentic skill for Google NotebookLM, with programmatic access through Python, a CLI, and AI agents such as Claude Code, Codex, and OpenClaw

Comprehensive skill library including autoresearch orchestration with two-loop architecture (inner optimization + outer synthesis)

收录最全、更新最快的技能Skills商店：精选原创技能包（涵盖文档处理、内容创作、编程开发、机器学习、自动化工作流），全部打包好可直接安装使用！同时自动抓取GitHub上万个Skills项目，按分类、更新时间、Star数量整理。The most comprehensive and frequently updated AI Agent skill library, featuring curated skill packs across document processing, content creation, programming, machine learning, automated workflows, and many more domains.

(6.0k ⭐) - A library of Agent Skills designed to work with the Stitch MCP server

🦸 AI 编程超能力 · 中文增强版 — superpowers（250k+ ⭐）完整汉化 + 4 个中国原创 skills，让 Claude Code / Copilot CLI / Hermes Agent / Cursor / Windsurf / Kiro / Gemini CLI / Qoder 等 26 款 AI 编程工具真正会干活

AI Agent templates with Skills, Agents, and Workflows (33 skills, MIT)

(3.8k ⭐) - Skill package for ML/CV/NLP paper writing, curated and adapted from Prof. Peng Sida's open notes for Codex, Claude Code, and Gemini

(7.0k ⭐) - Use this skill to enable Claude Code to communicate directly with your Google NotebookLM notebooks

The secure, validated skill registry for professional AI coding agents. Extend Antigravity, Claude Code, Cursor, Copilot and more with absolute confidence.

(1.4k ⭐) - Game development skills for engines and frameworks including Godot, Unity, Unreal, Phaser, Bevy, and Roblox

On-screen aware AI assistant for your desktop. Uses current app context, multiple LLMs, and MCP tools to help you act across apps.

Community-curated Agent Skills directory focused on real-world skills used by engineering teams

(2.9k ⭐) - The CLI and skills that turn any coding assistant into an expert at creating, evaluating, and deploying AI agents on Google Cloud

Identify and remove AI watermarks and provenance metadata (Gemini and Veo marks, SynthID, C2PA, EXIF) in images and video you generated yourself, plus provenance metadata in audio. Runs as uvx remove-ai-watermarks mcp

(295 ⭐) - Logo design skill with guidance on visual principles, SVG production, testing, and a reference library

(927 ⭐) - Social-media research skills for AI agents powered by ScrapeCreators

by Oldcircle - An agent skill that geolocates a photo with no readable text. Single-purpose Python scripts search and rank candidates using OpenStreetMap geometry, elevation skylines, satellite imagery and street view. The answer comes with a camera position, heading, error radius and an evidence image. NOTE: Scripts involve contact with Baidu and Yandex

(4,854 ⭐) - Persistent memory for Claude Code and other agents in an Obsidian vault, with linked Markdown notes, semantic search, and a shared agent logbook

(3.6k ⭐) - Skills for the Gemini API, SDK and model/agent interactions

Open-source Claude Code skills for SEO, GEO, Google Ads, and Meta Ads. Connects to live data via Google Ads MCP, Meta Ads MCP, Google Search Console MCP, and Google Analytics (GA4) MCP. Includes a /notfair:gemini cross-model review skill that runs Gemini as a second-opinion gate on ad campaigns, SEO metadata, and schema markup. MIT, ~2.9k stars

A Python library for building AI agents that leverage the full power of Google Antigravity.

(2.2k ⭐) - A collection of Golang agentic skills that works

(2.4k ⭐) - Agent skills for solving CTF challenges - web exploitation, binary pwn, crypto, reverse engineering, forensics, OSINT, and more

(782 ⭐) - A writing skill for Claude Code, Codex, Grok Build, and Antigravity that repairs narrative structure in fiction and applies venue-specific rules to professional prose

(2.0k ⭐) - Google DeepMind science skills for agentic scientific workflows

(1.9k ⭐) - AGENTS.md rules and skills for Codex, Cursor, Claude Code, Gemini CLI, and related coding agents

Standardized framework for defining, versioning, and distributing agent skills. Enables skill reuse across Claude Code, Copilot, VS Code, Gemini, and other platforms — a harness-level abstraction that makes skills first-class deployment artifacts rather than ad-hoc tool definitions

Source for 18 delegation skills (delegate-setup + 17 implementer relays for Claude/Codex/Cursor/OpenCode and 13 more) — multi-agent delegation and fleet orchestration with Node built-ins only, relay never commits (MIT, docs-only — runtime not bundled)

(1.4k ⭐) - Claude Code skill for real-video generation workflows, including planning, prompts, and production steps

🧠 Curated collection of 2700+ best agent skills — AI, coding, marketing, design, finance and more. Harness-agnostic: works with Claude Code, Codex, Cursor, Gemini CLI, OpenClaw, Hermes and any Agent Skills runtime. Refreshed daily by MyClaw.ai — Powered by MyClaw.ai

Best practices for building Stripe integrations

For the massive contribution of 300+ Enterprise skills and the catalog generation logic

(1.6k ⭐) - Claude Code / Cursor skill to recommend from 6000+ Nano Banana Pro image prompts

Platform-agnostic skills organized by use case

Spec-driven development workflow that transforms prompts into production-ready implementations through structured planning, architecture design, and LLM-as-a-Judge based quality gates

(1,393 ⭐) - Skills for writing, reviewing, and porting idiomatic Rust, with reference guidance and a Clippy configuration

半调纸拼贴 B-roll 生成 skill：三闸门审批，Gemini Omni Flash 首尾帧组装动画 | Editorial halftone paper-collage B-roll agent skill

Message passing between Claude Code, Codex and Gemini CLI sessions

(1.2k ⭐) - Portable skill toolkit for installing, translating, and sharing skills across Claude Code, Cursor, Codex, Copilot, and other coding agents

Open-source (MIT) library of 1,153 Agent Skills as plain-markdown SKILL.md files, covering PRDs, incident postmortems, code review checklists, RFCs, and 35 professions. Installs into Claude Code, Cursor, Windsurf, Zed and 10 more tools with one command, ships an MCP server, and runs free in a browser playground. Install: npx pm-claude-skills add

(554 ⭐) - A self-evolving second brain for Claude Code, Cursor, Kiro, Gemini CLI, and Codex, with AI skills, worker agents, and a people CRM

Plain-language agent skills for Claude Code, Codex, Cursor and Gemini CLI: honest session reports, straight verdicts, steps you can follow. MIT.

SPEC-first Agentic Development Kit orchestrating 24 specialized agents with enforced Plan→Run→Sync workflow, TRUST 5 quality gates, 52 domain-specific skills, and 16-language project support

(791 ⭐) - Deep research skill for Claude Code with a phased pipeline, source credibility scoring, and validation checks

by fatih akyon - A well-organized, well-written set of plugins covering core developer activities, such as working with common cloud platforms like GitHub, Azure, MongoDB, and popular services such as Tavily, Playwright, and more. Clear, not overly-opinionated, and compatible with a few other providers

(751 ⭐) - AI image generation skill for Claude Code with a creative-director workflow powered by Gemini

Cross-platform desktop app (Tauri 2.0 + React 19 + Rust) for managing skills across multiple AI tools

LLM-first SEO analysis with 16 sub-skills, 10 specialist agents, and 33 utility scripts

Core Antigravity extensions

Source-available (FSL-1.1-ALv2) QA agent for natural-language web and mobile tests. Run agent-qa mcp for authoring, execution, artifacts, and failure triage; dashboard-backed tools need a running dashboard and dashboardUrl. Model and infrastructure costs are separate

File your Indian income tax return (ITR) from your terminal. Deterministic tax engine, both regimes, AY 2026-27. Claude Code / Codex / Gemini skill.

Cuts token use with terse answers, smallest-code-that-works rules and tool-output compression

CLI that turns agent skill verification into repeatable unit tests: it generates task and grader pairs from a SKILL.md, runs multi-trial evals against Claude, Codex, Gemini, or OpenCode, and reports pass rates with a CI-ready threshold. Fills the gap between shipping a skill and knowing an agent actually discovers and invokes it correctly

Professional Blender 5.2 workflows as Agent Skills for Claude Code, Codex, Gemini CLI, Copilot and Cursor: modeling, UVs, PBR, baking, rigging, animation, export and QA.

Jetpack Compose agent skill with actual androidx source code receipts. Works with Codex CLI, Claude Code, Gemini CLI

Keep Whale-chan consistently vivid in every generation: High-consistency character design specification, visual asset library, and agent creation suite.

371 tax classification skills across 134 countries. Classify bank statement transactions into VAT/GST, income tax, and social contribution categories with conservative defaults

Google Workspace (Gmail, Chat, Calendar, Docs, Drive, Sheets, Slides), AI delegation (Jules, Manus, Deep Research), and database skills

Bounded-autonomy plugin harness for agents. Intent to implementation: ready, then go.

GLSL and Shadertoy shader skills for Claude Code, Codex, Cursor, Copilot and Gemini CLI. 186 functions, SDF raymarching, procedural terrain, water, clouds and generative art, with a bundler, checker and 11 examples.

30+ professional prompts for Gemini CLI

Make Gemini code like Claude Models. Forces it to inspect files before editing, plan changes, test its work, and back up every “done” with actual evidence.

70+ production-tested Playwright automation testing patterns: E2E, POM, CI/CD, migrations, CLI

🇰🇷 한국 정부 지원사업 전수조사 에이전트 스킬 [Claude Code·Codex·agy(Antigravity)·Cursor·Gemini CLI·Grok Build 지원] K-Startup·기업마당·NIPA·KOCCA·SMTECH 크롤링 + 즉시/로드맵/변형 3분류 (Korea-only)

Agent Skill for exam prep that runs in Gemini CLI and other agents (npx skills add ZeKaiNie/universal-examprep-skill). Teaches from a student's own lecture slides, notes and past papers with file and page citations, crops figures from the PDFs, quizzes only from their homework and past papers, and keeps progress across sessions. English and Chinese

AI creative director with recursive self-assessment: 20+ methodologies (SIT, TRIZ, Bisociation, SCAMPER, Synectics), 3-axis evaluation calibrated against Cannes/D&AD/HumanKind, 5-phase process from brief to presentation

Russian text quality: ~1,040 rules for typography, info-style, editorial, UX writing, business correspondence. Cross-platform: Claude Code, Codex CLI, Gemini CLI, Cursor

Attach screenshots, PDFs, logs, zips, and videos to GitHub PRs, issues, and comments, returning canonical user-attachments URLs. GitHub has no public attachment-upload API. Works with Claude Code, Codex, Cursor, and Gemini CLI

X API & Twitter scraper skill for AI coding agents -- tweet search, user lookup, follower extraction, engagement metrics, giveaway draws, trending topics, account monitoring, and 19 extraction tools

Source for the multi-source-search skill - cross-validated research with explicit source diversity, confidence, conflicts, gaps, and an offline-checkable evidence ledger (Apache-2.0)

CLI tool to discover, install, and manage skills from the community

CLI and MCP server that removes AI writing patterns from text: tricolons, em-dash overuse, hedging stacks, sycophancy openers, and overused vocabulary. Works with any MCP client including Gemini CLI. Five intensity levels and a lint-only audit mode. Useful for cleaning commit messages, PR descriptions, and documentation

Coverage, security and code quality for coding agents. Gemini CLI extension that runs the project's existing tests, measures line, branch and MC/DC coverage, and hands Gemini the untested code to test next. Install with gemini extensions install https://github.com/supercorp-ai/supercov

Framework for evaluating, benchmarking, and A/B-testing AI coding agents (Claude Code, Codex CLI, Gemini/Antigravity) and their skills. Runs a real agent in a sandbox against declarative YAML tasks, then scores the resulting files and commands with weighted 0.0-1.0 criteria. Includes 14 criterion types, per-tool token/cost telemetry, dataset fan-out with skill-activation precision/recall gates, an

Open-source bilingual (EN/中文) Claude Agent Skill that rewrites a rough idea or over-specified shot script into a model-ready text-to-video prompt (Seedance 2.0, Kling, Veo, Hailuo, Wan, Vidu). Install via npx. Free, MIT

Local-first TUI and report generator for AI coding-agent session logs. Tracks cost, tokens, latency, tool failures, health, diffs, and CI gates across Claude Code, Codex CLI, Gemini CLI, Qwen Code, Cline, Cursor exports, Aider, OpenCode/OpenClaw, Kimi CLI, and generic JSON/JSONL traces

MCP server that bridges AI coding agents (Claude Code, Copilot, Codex) to multi-cluster Kubernetes APIs. Enables natural language queries across clusters, workload placement, policy enforcement, and real-time observability. CNCF Sandbox project

Official source for the lintlang-audit skill - deterministic, zero-LLM static auditing of agent instructions, tool definitions, and embedded Python prompts, reporting finding codes and locations without editing files or calling a model (Apache-2.0)

Complete academic research skill suite for Claude Code, Codex CLI, and Gemini CLI

(126 ⭐) - A Claude Code skill for generating images using Gemini 3 Pro Preview (Nano Banana Pro)

Drive your real, logged-in Chrome via CDP from Claude Code, Codex, or Gemini CLI: semantic snapshots, real mouse clicks, human handoff for captchas and logins, HAR capture and replay

Official PlaceCall source for the placecall skill - place real outbound phone calls to US businesses through the PlaceCall REST API (reservations, inquiries, quotes), follow the call and return the structured outcome and transcript; paid API, real calls ring real phones (MIT)

Deterministic QA for web pages, with a Gemini CLI skill. assay opens the page in Chromium with Playwright, drives every control, and reports where the page contradicts itself, with no LLM and the same result on every run. The skill tells Gemini CLI to run assay after it changes a page and report what it found. Install with pip install assay-ui, then add the skill file. MIT

Complete Kaggle integration — competition reports, dataset downloads, submissions

Indexed Markdown knowledge bases with a CLI and installable Agent Skill. wiki install writes the skill to ~/.agents/skills, which Gemini CLI discovers

MCP server with 12 tools for searching ~1.4M open-source SVG icons and adding them as SVG or React/Vue/Svelte/Solid components; remote endpoint needs no auth. Add with gemini mcp add --transport http aria-icons https://icons.leularia.com/api/mcp

Local credential broker for AI agents. OAuth2 and API key vault stored locally, a loopback HTTPS proxy injects credentials into outbound provider requests so the Gemini CLI agent never sees raw secrets. 45 providers bundled (GitHub, Google, OpenAI, Linear, Slack, Notion, Resend, Stripe, ...). Python 3.13+, MIT