404 boosters for "skills" — open source, verified from GitHub, ready to install
A Gmail API skill that enables AI assistants to read, send, and manage emails, labels, drafts, and threads via curl commands. Developers and automation engineers benefit from programmatic email workflow integration.
Enables Claude to fetch and analyze design structure, components, and metadata directly from MasterGo design files via shared links. Useful for designers, developers, and design systems teams who need to programmatically extract design documentation.
A personalized git workflow guide that standardizes branch naming, commit message formatting, and code identifier documentation for developers. Benefits teams following specific git conventions and developers using Claude for code commits.
A Figma REST API skill that enables reading design files, exporting images, managing comments, and accessing design components—essential for developers and designers integrating Figma into automated workflows.
A SQLite query and database design guide for Claude Code that helps developers write better SQL queries, optimize schemas, and manage migrations. Useful for anyone building SQLite-backed applications.
A comprehensive frontend performance auditing skill that analyzes websites for Core Web Vitals, accessibility, and SEO issues, then provides actionable improvement plans—essential for developers and teams optimizing web performance.
"name": "awesome-supply-chain", "name": "Supply Chain Community", "url": "https://github.com/kishorkukreja"
es-fetch-api is a lightweight, middleware-based HTTP client wrapper for JavaScript/TypeScript projects that simplifies API requests with composable request handling. Developers building JavaScript applications will benefit from streamlined HTTP request management and best practices.
"name": "swing-skills", "description": "6 cognitive firewalls for AI coding agents. Defends against premature closure, hallucination, anchoring bias, confirmation bias, black-box reasoning, and optimism bias.", "name": "whynowlab",
Contract Review Pro is a professional contract auditing skill for lawyers and legal teams, providing methodology-based review guidance, risk classification, and standardized legal outputs across three service modes.
This skill automates downloading books from Anna's Archive and uploading them to Google NotebookLM for interactive AI-powered reading. It benefits researchers, students, and knowledge workers who want to quickly build searchable knowledge bases from downloaded books.
Enables efficient searching of Zotero libraries through Python code execution, avoiding context crashes while providing multi-strategy search with automatic deduplication. Ideal for researchers and developers who need comprehensive, safe access to large reference collections.
"description": "Cognitive brainstorming protocol for Claude Code. Structures thinking through GROUND (problem discovery) -> EXPLORE (divergent) -> DECIDE (convergent) -> STRESS (stress-test) -> SHIP (artifacts) phases. Includes domain skills for technical architecture and conceptual work.", "name":
"name": "zacs-claude-skills", "description": "Zac's collection of Claude Code skills for development workflows, testing, and quality assurance",
"description": "Keep your coding skills sharp! Periodic manual coding challenges with gamification (streaks, achievements, skip system)", "name": "Cristiano Mazzella", "email": "cristiano.mazzella@gmail.com"
"name": "replicate", "description": "Skills for building AI-powered apps with Replicate",
"name": "agentic-marketing", "url": "https://github.com/gnoviawan" "description": "Full-stack agentic marketing suite — 21 specialist skills covering strategy, channels, conversion, and growth",
Enables Claude to control Android devices via ADB commands for UI automation, testing, and app interaction. Useful for developers building Android automation tools, QA engineers, and anyone needing programmatic device control.
A comprehensive guide to Lit web components best practices covering component structure, rendering, styling, events, lifecycle, accessibility, and performance optimization. Ideal for developers building or reviewing Lit-based custom elements and web components.
A skill booster that helps developers add delightful UX moments—joy, personality, and unexpected polish—to interfaces, transforming functional designs into memorable experiences. Benefits product teams and frontend developers who want to elevate user engagement.
Ontopo is a skill that enables AI assistants to search Israeli restaurants, check real-time table availability, view menus, and generate booking links. It's useful for developers building restaurant discovery and reservation features for Hebrew and English-speaking users.
"name": "claude-code-toolkit", "name": "Scott Spence" "description": "Productivity and ecosystem tools for Claude Code",
A parent skill providing code quality assurance strategies that integrates security reviews and systematic debugging for AI-assisted coding agents. Developers using Claude Code will benefit from structured approaches to identifying and fixing code quality, security, and reliability issues.
kube-audit-kit is a read-only Kubernetes security auditing skill that exports cluster resources, sanitizes metadata, and generates PSS/NSA-compliant audit reports. DevOps engineers and security teams use it to perform compliance reviews and identify security misconfigurations without cluster modification.
