# Tools

> Every listed resource, editors’ picks first. The filters below can be combined.

- Search: append `?q=<keywords>` to the URL. Separate several keywords with spaces; all of them must match. Matches name, repository, tags, professions, description and README.
- Filter by type: append `?type=<cli|skill|plugin|mcp>` to the URL.
- Filter by profession: append `?profession=<profession id>` to the URL. Separate several ids with commas; a resource matches when it suits any of them. Ids are listed at https://hebbmind.com/api/v1/professions
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Tagged `performance`: 40 items.

- [Diagnosing Bugs](https://hebbmind.com/fr/skill/diagnosing-bugs.md): [Skill] A disciplined process for hard bugs and performance regressions: build a reliable reproduction loop, reproduce and minimize, form hypotheses, instrument to verify, then fix and add a regression test, redacting secrets in output. By Matt Pocock.
- [Next.js Cache Components Optimizer](https://hebbmind.com/fr/skill/next-cache-components-optimizer.md): [Skill] Drives a Next.js route to instant navigation under Cache Components: writes a failing @next/playwright instant() e2e test, pushes Suspense boundaries down to grow the static shell until it passes, and keeps the test as a regression guard. Requires Next.js 16.3+ with cacheComponents.
- [Next.js Skills](https://hebbmind.com/fr/plugin/vercel-skills.md): [Plugin] Official Next.js plugin shipped in the vercel/next.js repo: guides enabling and tuning Cache Components and Partial Prefetching, and verifies changes on a running dev server with the Next.js MCP and agent-browser.
- [Agent Skills (Addy Osmani)](https://hebbmind.com/fr/skill/addyosmani-agent-skills.md): [Skill] Engineering skill collection spanning define, plan, build, verify, review and ship, with /spec, /plan, /build, /test, /review and /ship commands, including TDD, code review and web performance audits. By Addy Osmani.
- [Mole](https://hebbmind.com/fr/cli/mole.md): [CLI] macOS cleanup and maintenance CLI (mo): clears caches and logs, fully uninstalls apps, analyzes disk usage, removes project build artifacts and shows system status. Preview deletions with --dry-run; disk analysis and status support JSON output. Needs macOS 12+.
- [Chrome DevTools](https://hebbmind.com/fr/skill/chrome-devtools.md): [Skill] Teaches agents to use the Chrome DevTools MCP efficiently: snapshot first to get element uids, screenshot only when needed, paginate and filter large output, inspect CSS and test browser extensions. Needs chrome-devtools-mcp configured; maintained by the Chrome DevTools team.
- [Chrome DevTools MCP](https://hebbmind.com/fr/mcp/chrome-devtools-mcp.md): [MCP] Lets agents control and inspect a real Chrome: read the console and network requests, take screenshots, and record performance traces with optimization suggestions. Maintained by the Chrome DevTools team.
- [Chrome DevTools MCP](https://hebbmind.com/fr/plugin/chrome-devtools-mcp.md): [Plugin] Official Chrome plugin bundling the Chrome DevTools MCP with debugging skills for accessibility, LCP and memory leaks: lets agents drive and inspect a real Chrome and analyze network requests, console logs and performance traces. Collects usage stats by default; can be disabled.
- [Arthas](https://hebbmind.com/fr/cli/arthas.md): [CLI] Alibaba's open-source Java production diagnostics tool: inspect method arguments and timing, threads and GC, class loading and decompiled code, and generate flame graphs without changing code or restarting the JVM. Supports JDK 8+ via an interactive CLI.
- [Vercel Optimize](https://hebbmind.com/fr/skill/vercel-optimize.md): [Skill] Vercel's official cost and performance skill: gathers production metrics, usage and project config, investigates only the routes and files the metrics point to, and returns ranked, doc-backed recommendations. Supports Next.js, SvelteKit and Nuxt; needs Vercel CLI v53+ logged in and linked.
- [Vercel React Best Practices](https://hebbmind.com/fr/skill/react-best-practices.md): [Skill] React and Next.js performance rules from Vercel's engineering team: 70 rules ranked by impact covering request waterfalls, bundle size, server performance and re-renders, for writing, reviewing and refactoring. Maintained by Vercel.
- [Vercel React Native Skills](https://hebbmind.com/fr/skill/react-native-skills.md): [Skill] Vercel's React Native and Expo best practices ranked by impact, covering list scrolling performance, Reanimated animations, navigation, UI patterns, state management and monorepo setup. Maintained by Vercel.
- [Grafana k6](https://hebbmind.com/fr/cli/k6.md): [CLI] Grafana's load and performance testing tool: write test scripts in JavaScript covering HTTP, WebSocket, gRPC and browsers, set threshold assertions and run them in CI.
- [Lighthouse](https://hebbmind.com/fr/cli/lighthouse.md): [CLI] Official web auditing tool from the Google Chrome team: score pages on performance, accessibility, best practices and SEO from the command line and get HTML, JSON or CSV reports, so agents can iterate on a page. Needs Node 22+ and Chrome.
- [SVGO](https://hebbmind.com/fr/cli/svgo.md): [CLI] SVG optimizer CLI and Node.js library: shrinks SVGs by removing editor metadata, comments, hidden elements and redundant attributes, processes whole directories recursively, and gives fine control through plugin config.
- [GSAP AI Skills](https://hebbmind.com/fr/skill/gsap-skills.md): [Skill] GSAP's official animation skills: teach agents to use the core API, timelines, ScrollTrigger and plugins correctly, including React, Vue and Svelte integration and animation performance. Maintained by GreenSock; all plugins are free.
- [Improve React](https://hebbmind.com/fr/skill/improve-react.md): [Skill] Audits a whole React codebase read-only: runs a React Doctor scan as evidence, vets findings across bugs, performance, accessibility, security and maintainability, ranks them by leverage, then writes self-contained plans other agents can execute. Never edits source.
- [Android Skills](https://hebbmind.com/fr/plugin/android-skills.md): [Plugin] Google's official Android agent skills: 25 skills for AGP 9 upgrades, XML-to-Compose migration, Navigation 3, R8 analysis, Play Billing Library upgrades, permissions and intent security, and more. Install with the Android CLI or as a Claude Code plugin.
- [Android Skills](https://hebbmind.com/fr/skill/android-skills.md): [Skill] Google's official Android skill library, targeting areas where models often go wrong: AGP 9 upgrades, XML to Jetpack Compose migration, Navigation 3, R8 analysis, edge-to-edge support and Play Billing Library upgrades.
- [Build iOS Apps](https://hebbmind.com/fr/skill/openai-skills-3.md): [Skill] OpenAI's official iOS skills: SwiftUI patterns and view refactoring, iOS 26 Liquid Glass, App Intents, performance audits with ETTrace sampling, memory leak hunting with memgraph, and simulator debugging. Needs macOS and Xcode; debugging skills rely on XcodeBuildMCP.
- [Test Android Apps](https://hebbmind.com/fr/plugin/test-android-apps.md): [Plugin] Reproduces issues on the Android emulator: installs builds, drives the UI with adb, dumps the UI tree, takes screenshots, captures logcat, and gathers performance evidence with Simpleperf and Perfetto. OpenAI's official Codex plugin; needs the Android SDK.
- [Build iOS Apps](https://hebbmind.com/fr/plugin/build-ios-apps.md): [Plugin] OpenAI's official Codex plugin for iOS: SwiftUI UI work and refactoring, App Intents, simulator debugging, performance profiling and memory leak hunting, with XcodeBuildMCP built in. Requires macOS and Xcode; Codex only.
- [BrowserTools MCP](https://hebbmind.com/fr/mcp/browser-tools-mcp.md): [MCP] Hands your current browser session to the agent through a Chrome extension: read console logs and network requests, take screenshots, and run Lighthouse performance, accessibility and SEO audits without signing in again.
- [Animation Systems](https://hebbmind.com/fr/skill/animation-systems.md): [Skill] Guides the agent to build a coherent, product-grade web motion system in the style of Stripe, Linear, Apple and Vercel: reusable primitives, duration and easing defaults, stagger choreography, scroll and hover patterns, performance rules and reduced-motion support.
- [pngquant](https://hebbmind.com/fr/cli/pngquant.md): [CLI] Lossy PNG compression CLI: converts images to 8-bit PNGs that keep transparency, usually 60-80% smaller, with batch processing and a quality range setting. Handy for slimming down web assets, slides and article images. Install via Homebrew on macOS; no account.
- [fontTools](https://hebbmind.com/fr/cli/fonttools.md): [CLI] Font toolkit: pyftsubset subsets fonts to the characters you use and outputs WOFF2 to shrink web fonts, and ttx converts fonts to editable XML for inspection and edits. Needs Python 3.11+ and the woff extra for WOFF2; check the license before subsetting commercial fonts.
- [Unlighthouse](https://hebbmind.com/fr/cli/unlighthouse.md): [CLI] Runs Google Lighthouse across an entire site (sampling similar pages smartly) and summarizes SEO, performance and accessibility scores page by page in a local web UI; unlighthouse-ci writes reports directly for agents to read. Great for site-wide SEO checkups. Needs Node.js 22.18+.
- [Postgres MCP Pro](https://hebbmind.com/fr/mcp/postgres-mcp.md): [MCP] PostgreSQL MCP server with database health checks, index tuning, EXPLAIN plan analysis and hypothetical index simulation, plus safe read-only SQL execution in restricted mode.
- [Web Quality Skills](https://hebbmind.com/fr/skill/web-quality-skills.md): [Skill] Measurement-first audits and optimization of web quality using Lighthouse, Chrome DevTools performance traces and CrUX data, covering Core Web Vitals, WCAG 2.2 accessibility, SEO and best practices, for any frontend framework. By Addy Osmani (not an official Google project).
- [Supabase Postgres Best Practices](https://hebbmind.com/fr/skill/supabase-postgres-best-practices.md): [Skill] Postgres rules ranked by impact: query optimization, indexing, connection pooling, RLS security, schema design and lock troubleshooting, with wrong-vs-right SQL examples, applicable to any Postgres. Maintained by Supabase.
- [Modern Web Guidance](https://hebbmind.com/fr/plugin/modern-web-guidance.md): [Plugin] Gives agents on-demand guidance for the modern web platform, covering View Transitions, container queries, Popover, INP optimization, accessibility and more, with browser compatibility data so they avoid outdated code. Maintained by the Google Chrome team; currently in preview.
- [glTF Transform](https://hebbmind.com/fr/cli/gltf-transform.md): [CLI] SDK and CLI for reading, editing and optimizing glTF 2.0 3D models: one optimize command does it all, or run Draco and Meshopt geometry compression, texture resizing and WebP or KTX2 compression separately. Suits game and web 3D assets.
- [glTF Transform CLI](https://hebbmind.com/fr/cli/donmccurdy-cli.md): [CLI] Command-line tool for inspecting, compressing and optimizing glTF/GLB 3D models, with Draco and Meshopt mesh compression, texture resizing and WebP/KTX2 compression; a single optimize command handles it all.
- [React Native Best Practices](https://hebbmind.com/fr/skill/react-native-best-practices.md): [Skill] Built by Callstack from The Ultimate Guide to React Native Optimization: diagnoses dropped frames, slow startup, bundle size, memory leaks, unnecessary re-renders and janky animations, across both JS and native iOS/Android.
- [ClickHouse Agent Skills](https://hebbmind.com/fr/skill/clickhouse-agent-skills.md): [Skill] Official ClickHouse skills: best practices for schema design, primary keys, JOINs and inserts ranked by impact, advice on real-time architecture decisions, in-process SQL and pandas-compatible analysis with chDB, and local and cloud deployment workflows.
- [Unity Agent Plugin](https://hebbmind.com/fr/plugin/unity-agent-plugin.md): [Plugin] Unity's official plugin bundling skills for game development, in-app purchases and ad monetization, and performance optimization, and can drive an open editor through the Unity CLI. Supports Unity 6+, installs in Claude Code and Codex; currently in beta.
- [Grafana Skills](https://hebbmind.com/fr/skill/grafana-skills.md): [Skill] Grafana Labs' official skills: dashboards and alerting, PromQL, Loki, Tempo, Mimir and Pyroscope queries, Prometheus cardinality troubleshooting, Grafana Cloud management and cost optimization, k6 load testing and plugin development. Some skills need Grafana Cloud.
- [Web Perf](https://hebbmind.com/fr/skill/web-perf.md): [Skill] Diagnoses page-load and interaction performance from Chrome DevTools traces, network evidence and source code, covering Core Web Vitals, LCP and layout shifts. Separates measured values from estimates and hypotheses, and re-measures fixes under equivalent conditions.
- [WebGL Components](https://hebbmind.com/fr/skill/webgl-components.md): [Skill] Guides building small always-on WebGL visuals (avatars, ambient orbs, glass and iridescent surfaces) inside product UI: one shared context, a single capped frame loop, cheap fragment shaders, context-loss handling, a mandatory non-WebGL fallback, and React SSR and Server Components pitfalls.
- [60fps Animation](https://hebbmind.com/fr/skill/60fps-animation.md): [Skill] Fixes janky web animation by moving width, height, position and box-shadow animations onto compositor-only transform and opacity, using pseudo-element opacity for shadows and the FLIP technique for layout changes and height: auto, to reach smooth 60/120fps motion.
