NiceEval

Use this skill when asked to prove that a locally-sourced (non-repo) niceeval Skill fixture was installed and is readable inside the sandbox. It exists purely as an e2e fixture with a unique marker string, not as real guidance.

Find and remove AI slop — the generic, machine-default visual and copy tics of vibe-coded products — from a web project. Use when the user asks to "kill AI slop", "de-slop", "remove the AI look", "make this not look AI-generated", or clean up a landing page / UI / docs that feels templated. Detects and fixes: indigo→violet gradients, gradient-clip headline text, warm amber/stone "cozy" palettes, the default semantic palette (info-blue / tip-amber / success-green / error-red), one-hue status boxes, atmospheric/ambient gradients, serif-italic emphasis on one word, serif where sans belongs, decorative strikes and highlights, highlighted keywords in copy, AI copywriting voice ("not just X — it's Y"), emoji everywhere, glowing status dots, rounded colored-left-border callouts, pastel rounded-square icon tiles, glassmorphism and over-rounding, oversized drop shadows, corners that don't nest, badge & pill spam, AI-drawn SVG icons, icons in a tint of themselves, all-caps card grids, and the "tasteful terminal". Works

Use this skill when the current task touches Effect code, reviews behavior implemented with Effect, or depends on Effect patterns, services, layers, schemas, streams, runtimes, resource management, retries, observability, testing, or typed error handling. Do not trigger it merely because the repository contains Effect if the task is unrelated documentation, site copy, README text, or non-Effect code.