JavaScript

Structured performance opportunity investigation for SpiderMonkey (the Firefox JavaScript engine).

SAP/project-foxhound

Scans code with a bundled Node script for injection, secrets, XSS and other risky patterns, ranks findings by severity and checks that security decisions are documented.

fengshao1227/ccg-workflow

Port a new ESLint core or plugin rule to rslint, including explicitly requested batches.

web-infra-dev/rslint

A skill your agent uses when wrapping CLI binaries in JavaScript, automating shell workflows in TypeScript, composing multiple CLIs into scripts, or building agent tool-use.

millionco/cli-to-js

Guide for migrating a project from ESLint to Oxlint. An agent skill from Asvarox/allkaraoke.

Asvarox/allkaraoke

Create, redesign, repair, validate, preview, and package lightweight standalone HTML deliverables.

NimaChu/html-design

Connects to Oxylabs remote agent browsers over the Chrome DevTools Protocol (CDP) with Playwright or Puppeteer.

oxylabs/agent-skills

Provides TypeScript patterns for type-first development, making illegal states unrepresentable, exhaustive handling, and runtime validation.

bretzel-app/crumbs

Interactive browser automation via Chrome DevTools Protocol.

981377660LMT/algorithm-study

Inspect and interact with a running Legends of Idleon session through the Chrome DevTools Protocol on port 32123.

MrJoiny/Idleon-Injector

Safely plan and execute dependency maintenance for JavaScript/TypeScript (npm, pnpm) and GitHub Actions, including npm lockfiles, pnpm workspaces, catalogs, overrides, SHA-pinned action versions…

Consensys-Incorporated/linea-attestation-registry

Quickly compare the posthog-js array.js bundle size in the current working tree against a git baseline using the repository's esbuild proxy.

PostHog/posthog-js

This skill should be used when user asks to "use supabase-js", "query Supabase database", "supabase auth", "supabase storage", "supabase realtime", "supabase edge functions", or works with the…

fcakyon/claude-codex-settings

Create, review, run, inspect, pause, resume, and cancel durable JavaScript workflows that coordinate multiple headless Codex agents.

pchalasani/claude-code-tools

Extracts data from web pages using browser automation and CSS/JavaScript selectors.

platonai/Browser4

ABP Blazor UI patterns - AbpComponentBase, AbpCrudPageBase, DataGrid, IMenuContributor, Message/Notify, Validations, JavaScript interop.

abpframework/abp

Convert an existing HTML/CSS/JavaScript slide presentation into an editable bento/slides .bento.html deck.

mucsbr/ppt-agent-workflow-san

Guides writing command-line interfaces with the Optique TypeScript library: composing parsers, choosing value types, subcommands and avoiding common mistakes.

dahlia/optique

Procedural film — turn a subject into a short animated film drawn and scored entirely in JavaScript, in one of three modes: drawn (every pixel computed, zero assets), photo-doodle (real photographs…

kuhnhomeuk-cell/procedural-film

Work with 90+ supported languages, compilers, CSS processors, and WASM-compiled languages for markup, style, and script editors.

live-codes/livecodes

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

A skill your agent uses when promoting one or more Biome lint rules from nursery to stable groups, including promotion plans from GitHub issues, metadata changes, rule renames, generated…

biomejs/biome

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

Author a new PostHog browser extension, or port a posthog-js v1 extension, against the @posthog/browser-common Client/Extension contract.

PostHog/posthog-js

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