Skill Codex
Signup flow CRO — single vs multi-step analysis, social/passkey login impact, progressive profiling, friction audit, and 20+ A/B test ideas. Use when designing or optimizing signup, onboarding form, or registration funnel. For general pages see page-cro; for popups see popup-cro.
Skill Codex
EVM/Solidity security auditing: static analysis (Slither, Aderyn, Mythril), fuzzing/formal verification (Foundry, Echidna, Medusa, Halmos), proxy/upgrade safety, DeFi attack patterns, gas, and audit reporting. Use when auditing Solidity contracts, hunting reentrancy/oracle/proxy/access-control bugs, or writing an…
Skill Codex
Organic growth on LinkedIn, X, Instagram, TikTok, and YouTube — format mix, cadence, hooks, a native-analytics verification workflow, use-case playbooks, and platform-policy guardrails. Use when planning a content calendar, diagnosing flat reach, choosing formats, or auditing growth tactics for compliance and brand…
Skill Codex
Produce a ready-to-ship social content kit — platform-spec'd posts, hooks, hashtag sets, a repurposing matrix, a calendar, and an FTC/music/giveaway compliance checklist. Use when packaging a launch/campaign kit, repurposing a long-form asset across platforms, or building a content calendar. For viral/algorithm…
Skill Codex
Develop Solidity contracts with Foundry and Hardhat: project setup, implementation patterns, tests, deployment, compiler configuration, OpenZeppelin integration, and gas optimization. Use when writing, testing, deploying, or optimizing contracts. For a security audit and findings report, use smart-contract-auditor.
Skill Codex needs its repo
Use when you have built a static site (or any folder with an index.html) and need to put it online, publish a build to IPFS, get a shareable URL for a demo or preview, hand a user an ownership link for a site you generated, or set up push-to-deploy, a custom domain, or a rollback for a static project. Drives Stasho…
Skill Codex
Production Stripe billing on Next.js App Router: subscriptions, Billing Meters usage, idempotent webhooks, portal, Stripe Tax + Adaptive Pricing, migrations, Test Clocks. Pins apiVersion 2025-09-30.clover (Clover line). Use when building or reviewing Stripe subscription/usage billing in Next.js; for Express/Node see…
Skill Codex
Build & ship production Telegram Mini Apps with Stars (XTR) payments on Next.js — @telegram-apps/sdk v3 (cloudStorage, biometry, fullscreen, shareStory) with isAvailable() guards, server-side initData HMAC validation, grammY bot webhooks, and serverless-safe rate limiting. Use when building, debugging, or deploying a…
Skill Codex
Test strategy for production codebases: testing pyramid, framework choice, mocking, factories, DB isolation per ORM, coverage gates, CI sharding, flaky-test triage, visual/contract/mutation testing, performance/SLOs, observability. Use when designing or auditing a test strategy, setting coverage/CI gates, fixing flaky…
Skill Codex
Senior UI/UX design intelligence for web/app UI — design tokens, semantic color + contrast, type scales, component anatomy/states, WCAG 2.2 AA audits, dark mode, and responsive/container-query layouts. Use when designing, auditing, or implementing UI, picking palettes/fonts, fixing accessibility, or reviewing…
Skill Codex
Use VirusTotal CLI (vt) and Python (vt-py) for URL, file, domain, IP, Intelligence, LiveHunt, Retrohunt, relationship, and private-scanning workflows. Use when the requested tool or data source is specifically VirusTotal. For broader multi-source trust decisions, use security-sentinel.
Skill Codex
Web3 wallet integration for React/Next.js dApps — RainbowKit, ConnectKit, WalletConnect, wagmi v2/viem, contract reads/writes, EIP-712 signing, chain switching, and SSR-safe hydration. Use when connecting wallets, sending transactions, signing messages, or fixing wallet hydration/precision/security issues.
Skill Codex
Core Web Vitals (LCP/INP/CLS) optimization, bundle analysis, caching, image/font loading, RUM field measurement, and server-side performance for modern web apps. Use when improving page speed, fixing failing Web Vitals, setting performance budgets, or auditing front-end/server perf.
Skill Codex
End-to-end webinar and virtual-event funnel design — platform selection, registration pages, reminder sequences, live content, replay, conversion, and repurposing. Use when planning, promoting, or optimizing a webinar or its lead funnel, choosing a webinar platform, or writing reminder/follow-up emails to lift…
Skill Codex
A guide to Yandex Webmaster, a service for checking and improving how websites appear in Yandex search. It focuses on search visibility, regional targeting, site quality, and the Yandex Webmaster API for Russia and nearby markets.
MCP server Claude CodeCodexCursor +2
Multi-tool MCP server + REST API for AI agents. 29 tools: web scraping, SEO toolkit, agent memory, screenshot, PDF, PDF-to-DOCX, WHOIS, DNS, SSL, OCR, HTML-to-Markdown, multi-chain blockchain data, and security toolkit (URL scanning, wallet check, contrac. Runs locally from the mcp-services npm package.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: