Agent skills that give coding agents taste: art direction, reference images and a browser check instead of generic AI pages
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Self-hosted Speed Test for HTML5 and more. Easy setup, examples, configurable, mobile friendly. Supports PHP, Node, Multiple servers, and more
- html5-speedtest
- speedtest
- web-worker
- xhr
Community curated list of templates for the nuclei engine to find security vulnerabilities.
- nuclei-templates
- nuclei
- bugbounty
- security
The best IP Toolbox. Check your IP address & geolocation, test IP for WebRTC and DNS IP leaks, run an IP quality check, browser fingerprint check, website availability check, network speed test, global latency test, MTR test, Whois search, and more.
An extended table for integration with some of the most widely used CSS frameworks. (Supports Bootstrap, Semantic UI, Bulma, Material Design, Foundation, Vue.js)
- bootstrap
- table
- pagination
- checkbox
A simple, beautiful, and embeddable JavaScript Markdown editor. Delightful editing for beginners and experts alike. Features built-in autosaving and spell checking.
Micro check library
Check for outdated, incorrect, and unused dependencies.
A Node.js style checker and lint tool for Markdown/CommonMark files.
Check if a number is equal to 13.
Keep your bundle size in check
TranslatedA multi-platform Hook + Skill Guard for AI coding agents in Codex/GPT workflows: stop unrequested hashes, checksums, and task-scope creep.
A self-hosted UPI & COD payment gateway with zero per-transaction platform fees, universal JavaScript checkout integration, dynamic QR payments, WhatsApp OTP authentication, and automated payment verification.
Check NPM package licenses
The repository host gives no description.
Procedural animation in any style for Claude Code: short single-file canvas videos with story, look and storyboard check-ins. 7 built-in styles or one matched from your references, your own music (beat-mapped), real product screenshots, every format from one piece.
- animation
- canvas
- claude-code
- claude-code-plugin
Check if the internet connection is up
- internet
- internet-connection
- nodejs
- javascript
Markdown linting and style checking for Visual Studio Code
:vertical_traffic_light: Check your GraphQL query strings against a schema.
plugins to check (lint) markdown code style
- remark
- remark-lint
- markdown
- lint
TranslatedClearAI: an ontology-first DSH agent preset — evidence-checked research that grows into a domain ontology.
- agent-preset
- ai-agents
- deepseek-harness
- dsh-plugin
Check if Electron is running in development
Check whether a website is up or down
DEPRECATED -> Checkout nishanthvijayan/CoderCalendar-Extensions
- codechef
- hackerrank
- topcoder
- chrome-extension