Browse The Skill Store

Automated test generation with edge case analysis and framework-native syntax for TS, Python, Go, and Rust.

Auth & Multi Tenant SaaS Foundation: Ship Secure Accounts in a Day

by PubsProToolkit

$29

or 145 cr

Scaffold a complete, production-ready auth and multi-tenant foundation — sessions, OAuth/SSO, role-based access control, organizations, teams, invitations, and row-level data isolation — wired to your app and database.

Transform brittle prompt chains into robust, artifact-driven DAG workflows with hard gates and explicit traces.

Playwright E2E Test Generator

by Timoranjes

$8

or 40 cr

Teaches AI coding agents to generate production-quality Playwright end-to-end tests from page analysis, user stories, or existing code. Covers selector strategy, test structure patterns, flakiness prevention, and CI integration — for QA engineers and solo devs tired of AI-generated tests that break on first run.

nextjs app router audit

by Sion Coolwijk

Free

Deep audit toolkit for Next.js App Router to fix performance waterfalls, SEO errors, and client boundary leaks.

Complete Next.js & Stripe billing engine with per-seat proration, secure webhooks, and multi-tenant member management.

Idiomatic code translation between Python, TypeScript, and Go that preserves logic and adapts language-specific patterns.

Three-pass automated code review that catches error handling gaps, structural issues, and naming problems — then auto-fixes everything before code reaches the user.

lsp guided coding

by Roy Yuen

$5

or 25 cr

Supercharge your agent with semantic code intelligence for safer refactors, precise navigation, and zero-error edits.

Use this skill when the user is facing a bug in an Angular application, including issues with components, services, RxJS, HTTP calls, tests, or unexpected behavior.

🧪 Webapp Tester

by JustHandled Labs

$15

or 75 cr

Run real Playwright E2E tests on your web app: login, checkout, and form flows across desktop and mobile viewports, with screenshots, traces, and console logs captured on every failure. Catches broken flows and UI regressions before release, and tells you the likely fix, not just that something broke.

🕸️ Codebase Graph

by JustHandled Labs

$25

or 125 cr

Map any repo into an interactive D3 dependency graph plus a Markdown onboarding guide: entry points, module relationships, circular dependencies, and dead-code candidates, with refactor suggestions. Parses TypeScript, Python, Java, Go, and Rust imports, exports, and calls. Self-contained HTML, no source changes.

🧪 Test Quality Auditor

by JustHandled Labs

$15

or 75 cr

Find the unit tests that pass without testing anything. Flags tests with no assertions, trivial existence-only checks (toBeDefined, assertIsNotNone), tests that assert the exact value they just mocked, snapshot-only tests, tautological assertions (expect(true).toBe(true)), empty placeholders, and over-mocked tests with more setup than assertions. Works on Jest/Vitest and pytest/unittest.

An expert architect for building scalable, high-performance React applications with TypeScript and modern best practices.

playwright pro

by Matthew King

$5

or 25 cr

Architect, scaffold, and audit enterprise-grade Playwright test suites with professional CI and auth patterns.

🗺️ Change Impact Mapper

by JustHandled Labs

$13

or 65 cr

Map the blast radius of a code change before you run the whole suite. For the files and functions you changed, it lists what imports or calls them, which tests cover them, flags any change with no covering test, and warns when a file has a lot of dependents. It tells an agent what its edit might break instead of making it guess. Resolves Python and JavaScript/TypeScript.

Transactional Email Engine: Ship Reliable Email in a Day

by PubsProToolkit

$59

or 295 cr

Scaffold a complete, production-ready transactional email system — verification, password reset, receipts, and notifications — with deliverability hardening, retries, idempotency, and a suppression list.

code review buddy

by Roy Yuen

$5

or 25 cr

Structured, severity-aware code reviews focusing on security, bugs, and performance across all major languages.

🧭 Doc Drift Detector

by JustHandled Labs

$13

or 65 cr

Catch documentation that drifted from your code. Flags functions and methods named in your docs that are gone from the source, CLI flags documented but missing from the arg parser, env vars the docs mention but the code never reads, example imports of modules that no longer exist, and npm scripts or Make targets your docs reference but the project does not define. Cross-references your README and docs against Python and JS/TS source.

▲ Vercel Build Log Doctor

by JustHandled Labs

$15

or 75 cr

Figure out why your Vercel build or deploy failed without scrolling the whole log. Reads the build log plus your package manifest and framework config to pinpoint missing modules, Node and package-manager mismatches, missing env vars, monorepo root mistakes, and serverless/edge runtime errors, with the likely cause and a fix for each.

Canonical Next.js bridge for secure, real-time communication between browser UIs and local agent gateways.

⚔️ Guardrail Fallback Linter

by JustHandled Labs

$12

or 60 cr

Find the LLM integration code that breaks when a model blocks a response or falls back to a different model. Flags calls with no try/except or refusal branch, responses used or parsed with no guard for a blocked or empty answer, and hardcoded model ids with no fallback handling. Built for the Fable 5 era, where a high-risk call is blocked and silently falls back to Opus 4.8.

🛡️ MCP Server Starter & Safety Kit

by JustHandled Labs

$29

or 145 cr

Scaffold and audit secure MCP servers with input schemas, confirmation gates, and safety-first tool definitions.

Ulti Next.js Agent

by Martin Gunderman

$7

or 35 cr

Build high-speed, full-stack React apps with Next.js 14+ App Router, Server Components, and Server Actions.