JavaScript agent skills, page 5

Make an explainer video (MP4) with a voice-over using explainroo.

vincentsch/explainroo

A skill your agent uses when the user wants to ship a new version of react-zmage to npm.

Caldis/react-zmage

Find and fix why a website is slow by capturing and analyzing a Firefox performance profile, or by analyzing a profile the user already has (a saved file or a profiler.firefox.com share link).

mozilla/firefox-devtools-mcp

Explains the n8n Custom Code Tool's actual runtime contract so an AI-agent-callable tool doesn't get written like a regular workflow Code node.

czlonkowski/n8n-skills

Capture, archive, diff, and assess Boss/Zhipin frontend JavaScript for boss-cli safety gates and anti-debug guard updates.

joohw/boss-cli

Scaffold and implement authentication in TypeScript/JavaScript apps using Better Auth.

deadlock-mod-manager/deadlock-mod-manager

Generates TypeScript or JavaScript readers and writers for ClickHouse's RowBinary formats over HTTP in Node.js, after checking that RowBinary suits the data.

ClickHouse/agent-skills

A skill your agent uses when investigating a bug, failing test, or unexpected runtime behavior and the mcp-debugger MCP server is available — drives real step-through debuggers (breakpoints, stack…

debugmcp/mcp-debugger

Investigate and harden Skylos security behavior. An agent skill from duriantaco/skylos.

duriantaco/skylos

TypeScript and JavaScript expert with deep knowledge of type-level programming, performance optimization, monorepo management, migration strategies, and modern tooling.

cin12211/orca-q

Generate sdf-js code from a natural-language scene description.

shaun8149/sdf-js

This skill should be used for browser automation tasks using Chrome DevTools Protocol (CDP).

agutinbaigo28/financial-agent-api

Removes copy-paste duplication found by jscpd, starting with exact clones and hotspots, then renamed and near-miss copies, using proven refactoring strategies.

kucherenko/jscpd

Complete guide for migrating JavaScript files to TypeScript in the MarkBind project, including the two-commit strategy, import/export syntax conversion, and best practices.

MarkBind/markbind

Battle-tested Playwright patterns for writing and debugging reliable E2E, API, component, visual, accessibility, and security tests.

testdino-hq/playwright-skill

Fetch and render web pages using the Servo browser engine — a single binary with JS execution, CSS layout, screenshots, and content extraction.

konippi/servo-fetch

browser-based page capture and text extraction for public-opinion research.

123321kk/opinion-agent-ultimate

Authoring playbook for building agents that write, edit, review, or refactor code.

mastra-ai/mastra

Edit and fill PDF documents. An agent skill from SimplePDF/simplepdf-embed.

SimplePDF/simplepdf-embed

Debug a JS runtime via CDP using argent debugger tools. An agent skill from bbplayer-app/BBPlayer.

bbplayer-app/BBPlayer

Browser automation CLI for AI agents. An agent skill from itwanger/toBeBetterJavaer.

itwanger/toBeBetterJavaer

Run an authorized, local-first application security assessment on the current project using this agent's own reasoning.

stijnswapped/Myrqen

Creates, refines and exports editable OneWorks 3D geometric avatars for mascots, bots or agents, keeping one shared scene state across preview, share link and export.

oneworks-ai/avatar

Refresh the local ChatGPT app reference source from the installed macOS ChatGPT.app asar.

JimLiu/decode-codex

KtorMonitor is a Kotlin Multiplatform library for real-time HTTP traffic monitoring.

CosminMihuMDC/KtorMonitor

Write an OpenScript study or strategy for OpenAlgo, and install it into strategies/openscript/ only after it compiles.

marketcalls/openalgo

Guidance for writing, editing, reviewing, and debugging JavaScript workflow code for pi-dynamic-workflows.

QuintinShaw/pi-dynamic-workflows

A skill your agent uses when modifying public API in packages/core (types/global.ts, types/default.ts, index.ts, or package.json exports field), adding/renaming/removing props, changing default…

Caldis/react-zmage

Build voice AI agents with ElevenLabs. An agent skill from tadaspetra/loop.

tadaspetra/loop

Use bdg CLI to drive and debug a real Chrome via Chrome DevTools Protocol - navigate, click, fill and submit forms, check what an action changed (navigation, new messages, pending requests), inspect…

szymdzum/browser-debugger-cli

Search local Iconify JSON and use UnoCSS icon classes in the Open Flow repository.

oomol-lab/open-flow

Review browser userscript changes in JavaScript userscript files, focusing on scripting content and its HTML/CSS behavior, with metadata as a binding gate plus DOM/CSS, userscript-manager APIs…

cyfung1031/userscript-supports

Prepare a stable release PR for the unified rslint npm packages by updating package versions and rule/TypeScript release metadata.

web-infra-dev/rslint

A skill your agent uses when working on web apps built with holm, or to answer questions about holm.

volfpeter/holm

Release ovenplayer to npm — confirm the version, verify the committed dist/ bundle is current, write the release notes, and open a draft GitHub Release for the user to publish.

OvenMediaLabs/OvenPlayer

Software Mansion's best practices for multithreading in React Native apps using react-native-worklets.

kingstinct/react-native-healthkit

Finds duplicated code in 220+ languages with jscpd, reports exact, renamed and near-miss clones in a compact agent-friendly format and measures duplication.

kucherenko/jscpd

A skill your agent uses when building applications with Gemini API hosted models, including Gemini and Gemma 4, working with multimodal content (text, images, audio, video), implementing function…

Ayuilos/Miffan

Run end-to-end tests against the real Crowdin or Crowdin Enterprise API using credentials from .env.

crowdin/crowdin-api-client-js

Build PolyCSS scenes that render 3D meshes, primitive shapes, or custom polygons as DOM/CSS polygon elements.

layoutit/polycss

Build or review audit trails in TypeScript/JavaScript apps using evlog (pipelines, typed actions, denials, retention, compliance-style reviews).

activepieces/activepieces

Applies safer package manager defaults and dependency vetting to JavaScript and TypeScript projects to reduce supply-chain attack risk.

bodadotsh/npm-security-best-practices

A skill your agent uses when upgrading the TradingView lightweight-charts Android wrapper across upstream JavaScript lightweight-charts versions, checking version deltas, API parity, bridge changes…

tradingview/lightweight-charts-android

Measures test coverage and code quality in a repository with the supercov CLI, and turns what it finds into small, focused tests or fixes.

supercorp-ai/supercov

Install and configure vendored Biome anti-slop GritQL rules in a local TypeScript or JavaScript repository.

nightly-labs/openbot

Add a Figma Code Connect (.figma.tsx) file for a Cauldron React component.

dequelabs/cauldron

Sets the rules for writing Handsontable documentation examples in JavaScript, TypeScript, React, Angular and Vue, with the imports, registration and licence key each needs.

handsontable/handsontable

Run a local Liveblog development environment. An agent skill from liveblog/liveblog.

liveblog/liveblog