No red flags found in any of the 11 categories — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against the SlowMist agent-security taxonomy, refreshed every 8 hours. Full audit →
by haydenbleasel · MCP Server · ★ 3.3k
Last updated: · Indexed by AgentSkillsHub · Auto-synced every 8h
🔒 Is ultracite safe to install? View the security audit →
Ultracite A production-grade, zero-configuration preset for ESLint, Biome, and Oxlint. Ultracite is designed to help you and your AI models write consistent and type-safe code without the hassle of configuration. Choose your preferred toolchain and get started in seconds. Quick Start The interactive setup will guide you through selecting your formatter/linter, framework, editor, and AI agents. It can also offer to install the reusable Ultracite skill, or you can pass in non-interactive flows. Supported Tools Biome — All-in-one formatting and linting ESLint + Prettier + Stylelint — Most mature ecosystem with the largest plugin support Oxlint + Oxfmt — 50-100x faster than ESLint, part of the Oxc ecosystem Key Features ⚡ Subsecond Performance Built on Rust-based tools for instant code analysis. On-save checks feel seamless without interrupting your workflow. 🎯 Zero-Config by Design Hundreds of preconfigured rules optimized for JavaScript and TypeScript projects. Customize when needed, but it works perfectly out of the box. 🤖 AI-Ready Generate rules for 40+ AI agents including Claude Code, GitHub Copilot, Cursor, Gemini, and more. Ensures consistent code
| Stars | 3,290 |
| Forks | 126 |
| Language | TypeScript |
| Category | MCP Server |
| License | MIT |
| Quality Score | 62.7079268501991/100 |
| Open Issues | 3 |
| Last Updated | 2026-09-19 |
| Created | 2022-03-18 |
| Platforms | mcp, node, vscode |
| Est. Tokens | ~14k |
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ultracite is A highly opinionated, zero-configuration linter and formatter.. It is categorized as a MCP Server with 3.3k GitHub stars.
ultracite is primarily written in TypeScript. It covers topics such as biome, cursor, formatter.
You can find installation instructions and usage details in the ultracite GitHub repository at github.com/haydenbleasel/ultracite. The project has 3.3k stars and 126 forks, indicating an active community.
ultracite is released under the MIT license, making it free to use and modify according to the license terms.
The top alternatives to ultracite on Agent Skills Hub include docs-mcp-server, fastapi_mcp, Unity-MCP. Each offers a different approach to the same problem space — compare them side-by-side by stars, quality score, and community activity.
Grades come from a rule-based scan built on the SlowMist agent-security taxonomy, covering 11 red-flag categories including credential harvesting, data exfiltration, and curl | sh installers. It is a first-layer scan, not a manual audit — we say so rather than overstate it.
The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.
Sources & who's responsible: