Browse The Skill Store

Instant EU VAT answers for digital sellers — rates, which platforms remit, is-it-OSS, and the VAT in any price.

Automated Belgian tax prepayment (VA) memos with scenario modeling and penalty calculations for accountants.

Halloween Activity Bundle Builder

by Arnstein Larsen

$8.99

Your expert strategist for building, listing, and scaling high-profit Halloween printable bundles on Etsy.

Board Report Generator

by Arnstein Larsen

$8.99

Transform management data into executive board papers, decision memos, and official meeting minutes.

Educational Printable Builder

by Arnstein Larsen

$8.99

Build a complete educational printable pack for ANY subject & age — page list, differentiation tiers, SEO, 13 tags, and paste-ready image prompts.

🔁 Model Migration Checker

by JustHandled Labs

$6/mo

Find the model-version coupling that breaks when you swap LLMs. Flags hardcoded model names and versions, deprecated or renamed parameters (the max_tokens to max_completion_tokens class of change), hardcoded token and context-window limits, response-format parsing tied to one model's output, tool-schema format coupling between providers, and hardcoded per-token cost constants. The patterns load from an editable model-rules table you update as new models ship.

⚖️ License Picker

by JustHandled Labs

Free

Generate a ready-to-use LICENSE file for your repo. Pick from MIT, Apache-2.0, GPL-3.0, MPL-2.0, BSD-2-Clause, BSD-3-Clause, or The Unlicense, fill in your name and year, and get the canonical license text. Prints to the screen by default and writes a LICENSE file only when you ask.

⚡ Perf Budget Auditor

by JustHandled Labs

$12

Audit your frontend build against a performance budget and catch size regressions before you ship. Flags total bundle over budget, initial bundle over budget, individual chunks over a threshold, oversized image assets, source maps shipped to production, and large unminified JavaScript. Reads a webpack or Vite-style stats.json plus a perf-budget.json you control.

📦 Package Supply Chain Sentinel

by JustHandled Labs

$19

Vet dependency changes for supply-chain risk before you install, commit, or release. Scans package and lockfile diffs for install-time lifecycle scripts, non-registry sources, suspicious download commands, typosquatting, and floating versions, across npm, pnpm, yarn, pip, uv, and poetry. Flags what to review with evidence. No install required.

Evidence Integrity Gate

by PubsProToolkit

Free

Runs an ordered evidence-integrity gate over any AI draft — grade sources, ground claims, verify technical assertions, stress-test — then returns one PASS/REVISE/FAIL ship decision.

Paste your Python code and get a plain-English test report — what works, what doesn't, what's unfinished, and exactly what to do next.

Generate high-converting, Belgian-compliant Dutch commercial proposals for SME prospects.

nex clean page ext

by Nex AI

$5

Deploy or fork a production-ready, no-build Manifest V3 Chrome extension that declutters websites in one click.

Establish and refine surgical CI quality gates and automated verification loops for any repository.

Build Now / Next / Later roadmaps anchored to OKRs — every item linked to an outcome.

Evaluate any feature request with structured scoring and a Build / Investigate / Defer / Decline decision.

Optimize your Etsy thumbnails using click psychology to stop the scroll and and earn more clicks.

Deterministic Bazi / Four Pillars skill using OpenFate MCP for True Solar Time, Ten Gods, Da Yun, and branch interactions.

Generate professional 30/60/90-day cash flow forecast workbooks with live formulas and shortfall alerts.

LLM Eval Framework Builder

by Arnstein Larsen

$17

You changed the prompt, tried four inputs, it looked better, you shipped — and three days later support tickets say outputs are worse for an entire class of inputs you didn't test

Design System Enforcer

by Arnstein Larsen

$9.99

Audit, consolidate, and enforce your design system to eliminate component drift and hardcoded UI debt.

managing contacts

by Daryna Ivanova

Free

Automate Mailtrap marketing contact management, bulk imports, and audience segmentation via API.

content marketing automation suite

by Arnstein Larsen

$8.99

Transform marketing goals into full-cycle content pipelines, from SEO topic clusters to multi-channel social calendars.

Video type matrix, platform specs, AI prompt recipes (Seedance/Sora/Kling), zero-cost SOP, quality gates.