Claude Skills by NeverSight

ALWAYS use when building realtime features with Ably — messaging, chat, collaboration, presence, or AI token streaming. Covers product and SDK selection (Pub/Sub vs Chat vs Spaces vs LiveObjects), authentication (JWT, token auth, authUrl), channel design, React integration, and critical mistakes like missing Chat attach(), client-side API key exposure, and creating Ably clients inside components. Fetches current docs from ably.com/llms.txt before generating code. Not for general WebSocket or ...

CRUX — Calibrated Reasoning under eXtreme uncertainty. 8 modes from quick assess to full adversarial analysis with subagents. /crux [mode] <question>. CIA SATs + superforecasting + Kahneman + Munger + Hegelian dialectic. Find the linchpin. Commit to the number.

Build professional Python CLIs with modern UX patterns using pyfiglet (ASCII banners), typer (commands), questionary (interactions), and rich (formatting). Use when creating command-line tools, automation scripts with user interaction, data processing pipelines with CLI interfaces, or upgrading existing Python scripts to professional CLIs. Ideal for ETL workflows, GIS tools, data analysis utilities, and civic tech projects requiring reproducible, scriptable interfaces.

Query Italian Parliament open data from the command line (italianparliament CLI). Use when the user wants to run shell pipelines, export CSV/JSONL, or script analysis over deputies, senators, bills, votes, speeches, and groups.

Guided, interactive exploration of statistical data via SDMX providers (Eurostat, OECD, ECB, World Bank, ISTAT, and others) using the opensdmx CLI. Use this skill whenever the user asks a question about statistics that could be answered with SDMX data: demographics, economy, employment, births, deaths, population, prices, trade, health, agriculture, or any other topic. Also use it when the user mentions a specific dataflow ID they want to explore. The skill guides the user step by step: disco...

Transforms AI-generated text into natural human writing by detecting and removing 37 AI patterns, injecting authentic voice, and varying rhythm. Use when text sounds like a chatbot wrote it, when preparing content for publication, or when AI detection scores need to drop.

Connect an external inspiration source (Mobbin, Savee, Dribbble, Behance, etc.) as a first-class source in all Lazyweb design skills. Authenticates via headless browser, persists session cookies, and registers the source so future design research automatically includes it alongside Lazyweb. Trigger on: "add inspo source", "add inspiration source", "connect Mobbin", "connect Savee", "add design source", "connect inspiration", "add Dribbble", "link Behance".

Cross-pollination design brainstorm. Deliberately searches outside the obvious category to find novel patterns that could be applied in unexpected ways. The "zig when everyone zags" skill — finds inspiration from domains nobody in your space is looking at. Trigger on: "brainstorm design ideas", "creative alternatives for", "design exploration", "what if we tried", "unconventional approach to", "fresh ideas for", "think outside the box", "surprise me".

Capture a screenshot of the user's current design, find similar screens in Lazyweb, and generate concrete improvement ideas backed by real references. Use when the user has an existing design and wants feedback or improvement suggestions. Trigger on: "improve this design", "how can I make this better", "critique my design", "design feedback", "what should I change", "make this look better", "compare my design to", "design review".

Deep design research combining Lazyweb's screenshot database with web research. Produces a structured research report with downloaded reference screenshots. Use when the user needs competitive analysis, best practices research, or wants to understand how the best apps handle a specific design problem. Trigger on: "best practices for", "how should I design", "what do top apps do", "competitive analysis for", "design research on", "what works well for", "research how others do".

Find app screenshots and UI references quickly. Downloads results locally and groups them by pattern. Use when the user wants to see examples of a specific screen, UI element, or flow without a full research report. Trigger on: "show me examples of", "how do other apps do", "design inspiration for", "UI reference for", "what does X's app look like", "find screenshots of", "show me how", "references for".

Disconnect an inspiration source from Lazyweb design skills. Lists connected sources and removes the selected one. Trigger on: "remove inspo source", "remove inspiration source", "disconnect Mobbin", "remove design source", "unlink source".

Browser automation CLI for AI agents. Use when the user needs to interact with websites, including navigating pages, filling forms, clicking buttons, taking screenshots, extracting data, testing web apps, or automating any browser task. Triggers include requests to "open a website", "fill out a form", "click a button", "take a screenshot", "scrape data from a page", "test this web app", "login to a site", "automate browser actions", or any task requiring programmatic web interaction.

Render Mermaid diagrams as SVG and PNG using the Beautiful Mermaid library. Use when the user asks to render a Mermaid diagram.

Expert guidance for JavaScript/TypeScript development with the Bun runtime. Covers project setup, package management, HTTP servers, built-in APIs, testing, bundling, and migration from Node.js. Use when starting Bun projects, using Bun APIs (Bun.serve, sql/SQL, s3, redis, Bun.$), migrating from Node.js, or troubleshooting Bun-specific behavior.

Design or review command-line interfaces for usability and automation: help text, args/flags, stdout vs stderr, exit codes, TTY behavior, config precedence, and safe handling of secrets and destructive actions.

Review uncommitted Git changes for correctness, quality, and project convention alignment, then apply fixes and prepare a safe, atomic commit plan. Use when users ask to review code before committing, improve local changes, split work into logical conventional commits, or execute `git add`/`git commit` with clear staging boundaries.

Simplify and refactor code for clarity, consistency, and maintainability while preserving exact behavior. Use when code was just added or modified and needs readability-focused cleanup without changing outputs, side effects, or external interfaces.

Run Codex CLI for code analysis and automated edits. Use when users ask to run `codex exec`/`codex resume`, continue a prior Codex session, or delegate software engineering work to OpenAI Codex.

Audit a codebase for dead code — unreachable functions, unused imports, orphaned classes, unreachable branches, and stale feature flags — by tracing live call paths from all entry points. Also audits correctness (do implementations match their claimed purpose?) and algorithmic soundness. Produces an ASCII call graph and a categorized dead code report. Use when a codebase has gone through many iterations, a large refactor has landed, a feature was removed but its support code may remain, or th...

Edit text to remove signs of AI-generated writing. Use when reviewing or revising prose to make it sound natural, specific, and human-written. Detects and rewrites AI vocabulary, significance inflation, promotional language, -ing padding, em dash overuse, rule-of-three, negative parallelisms, pseudo-profound flourishes, dying metaphors, vague attributions, filler phrases, sycophantic tone, extrapolation to universal principles, and formulaic structure. Triggers include "humanize this", "make ...

Always-on project memory workflow. At the start of every task, read `.agents/LEARNINGS.md`; while working, update it with mistakes, corrections, successful and failed patterns, and project-specific preferences.

Create and present web-based slides for developers using Markdown, Vue components, code highlighting, animations, and interactive features. Use when building technical presentations, conference talks, or teaching materials.

Quizzes the developer on code, architecture, or plans that an AI agent just built or proposed — one question at a time, with ASCII diagram corrections. Use after any significant implementation, PR, refactor, or architectural plan to ensure the human code owner has a bulletproof mental model of the system. Triggers include phrases like "quiz me", "do I understand this", "walk me through what you built", "onboard me", or "code owner briefing".

Systematically explore and evaluate a library, tool, or GitHub repo in an isolated scratch environment. Use this skill whenever the user asks to "try", "evaluate", "explore", or "kick the tires" on a library/repo/tool, especially when they provide a GitHub URL, npm/pip package name, or repo shorthand like "owner/repo". Use it when they want real primitives, failure modes, and composability beyond quickstarts before deciding on integration. Produces runnable scratch/ scripts demonstrating key ...

Manage work in Vibe Kanban (VK), the shared source of truth for agent tasks. Use when checking assigned work, creating/updating tasks, running heartbeat checks, scanning @mentions, or producing daily standup summaries. Triggers: "check the board", "what's on my plate", "create/update task", "heartbeat", "standup summary".

Generate beautiful, self-contained HTML pages that visually explain systems, code changes, plans, and data. Use when the user asks for a diagram, architecture overview, diff review, plan review, project recap, comparison table, or any visual explanation of technical concepts. Also use proactively when you are about to render a complex ASCII table (4+ rows or 3+ columns) — present it as a styled HTML page instead.

Generate a self-contained HTML visualization to explain a system, plan, code flow, or concept. Use when the user asks to visualize, diagram, explain visually, or walk through a system, architecture, plan, or code flow. Outputs a single HTML file opened in the browser.

Inspect and mutate GraphOS graphs through HTTP APIs. Use when reading topology, validating node types/plugins, and applying atomic graph transactions with retries on partial success.

World logic design tool for GraphOS. Design World/Context/Variant/System/Event/EventSystem graph models for any game or app, focusing on domain logic, lifecycle systems, bootstrap events, and event-driven context initialization. Depends on graph-management skill for graph read/apply APIs.

Grocery automation across nine retailers in five countries — UK, Netherlands, Belgium, Spain and the US. Search, compare, basket, delivery slots and checkout, plus Open Food Facts nutrition and allergen enrichment. Available as CLI, MCP server, or agent skill.

Generates audience-appropriate release notes from completed Sprint work items — translating technical changes into plain-language user outcomes for stakeholders, customers, or internal teams. Use when a Product Owner says things like "write release notes", "what shipped this Sprint", "generate a changelog", "what did we deliver", "draft the release email", or "summarise what we released". Do not use for sprint review facilitation — use sprint-review for that. Do not use for velocity analysis.

Suggest the most impactful next action based on current project state

Tests parsers for algorithmic complexity attacks: XML bombs, nested object attacks, deeply nested JSON, YAML bombs, regex catastrophic backtracking, and CPU/memory exhaustion via crafted inputs. Covers §3.6 (parser security), §8 (availability).

Render Mermaid diagrams into a self-contained interactive HTML viewer with pan/zoom, light/dark theme, PNG/SVG export, and source view. Use when the user asks to "diagram this", "visualize", "show the architecture", asks for a flowchart, swimlane, sequence diagram, state machine, ERD, mindmap, sankey, gantt, timeline, class diagram, or any other diagram, or provides Mermaid source to render.

Turn a PR, branch, or diff into an interactive visual review canvas — draggable cards for per-file diffs, mermaid diagrams, explainer notes, code snippets, screenshots, and P0/P1/P2 warnings, connected by labeled edges on a pan/zoom canvas. Use when the user asks to "review this PR visually", wants a "visual review" or "review canvas", says "walk me through this diff/PR", or asks to explain a change/branch/PR visually.

Use this skill when working with the A2A (Agent-to-Agent) protocol - agent interoperability, multi-agent communication, agent discovery, agent cards, task lifecycle, streaming, and push notifications. Triggers on any A2A-related task including implementing A2A servers/clients, building agent cards, sending messages between agents, managing tasks, and configuring push notification webhooks.

Use this skill when working with A2UI (Agent-to-User Interface) - Google's open protocol for agent-driven declarative UIs. Triggers on tasks involving A2UI message generation, component catalogs, data binding, surface management, renderer development, custom components, or integrating A2UI with A2A Protocol, AG UI, or agent frameworks like Google ADK. Covers building agents that generate A2UI JSON, setting up client renderers (Lit, React, Angular, Flutter), creating custom catalogs, and handl...

You MUST use this before any creative work - creating features, building components, adding functionality, modifying behavior, designing systems, or making architectural decisions. Enters plan mode, reads all available docs, explores the codebase deeply, then interviews the user relentlessly with ultrathink-level reasoning on every decision until a shared understanding is reached. Produces a validated design spec before any implementation begins. Triggers on feature requests, design discussio...

AI-native software development lifecycle that replaces traditional SDLC. Triggers on "plan and build", "break this into tasks", "build this feature end-to-end", "sprint plan this", "absolute-human this", or any multi-step development task. Decomposes work into dependency-graphed sub-tasks, executes in parallel waves with TDD verification, and tracks progress on a persistent board. Handles features, refactors, greenfield projects, and migrations.

Unified marketing skill for every channel and stage. Use when writing copy, optimizing conversions, planning content strategy, running SEO audits, building email sequences, launching products, setting up paid ads, designing pricing, running A/B tests, crafting brand positioning, or any marketing task. Replaces individual skills for copywriting, SEO, content marketing, email, social media, growth hacking, brand strategy, and CRO.

Use this skill when optimizing for search engines across any dimension - technical SEO, on-page optimization, content quality (E-E-A-T), schema markup, Core Web Vitals, local SEO, link building, international SEO, e-commerce SEO, programmatic SEO, AI search optimization (GEO/AEO), or running SEO audits. Triggers on SEO, search ranking, indexing, crawlability, schema, CWV, local pack, GBP, backlinks, hreflang, AI Overviews, featured snippets, or site audit.

Autonomously simplifies code in your working changes or targeted files. Detects staged or unstaged git changes, analyzes for simplification opportunities following clean code and clean architecture principles, applies improvements directly, runs tests to verify nothing broke, and shows a structured summary with reasoning. Triggers on "simplify this", "refactor this", "clean up my changes", "absolute-simplify", "simplify my code", "make this cleaner", "tidy this up", "reduce complexity", "flat...

Use this skill when building user interfaces that need to look polished, modern, and intentional - not like AI-generated slop. Triggers on UI design tasks including component styling, layout decisions, color choices, typography, spacing, responsive design, dark mode, accessibility, animations, landing pages, onboarding flows, data tables, navigation patterns, and any question about making a UI look professional. Covers CSS, Tailwind, and framework-agnostic design principles.

End-to-end, phase-gated software development lifecycle for AI agents. Turns a ticket, task, plan, or migration into a validated design, a dependency-graphed task board, and verified code. Triggers on "build this end-to-end", "plan and build", "break this into tasks", "pick up this ticket", "grill me on this", "run this migration", "absolute-work this", or any multi-step development task. Relentlessly interviews to a shared design, writes a reviewed spec, decomposes into atomic tasks on a pers...

Use this skill when implementing web accessibility, adding ARIA attributes, ensuring keyboard navigation, or auditing WCAG compliance. Triggers on accessibility, a11y, ARIA roles, screen readers, keyboard navigation, focus management, color contrast, alt text, semantic HTML, and any task requiring WCAG 2.2 compliance or inclusive design.

Use this skill when managing key accounts, planning expansions, running QBRs, or mapping stakeholders. Triggers on account management, expansion playbooks, QBR preparation, stakeholder mapping, renewal strategy, upsell, cross-sell, and any task requiring strategic account planning or relationship management.

Use this skill when addressing, responding to, or resolving PR review comments on GitHub pull requests. Triggers on "address PR comments", "respond to review", "handle review feedback", "reply to PR comments", "fix review comments", or when the user wants to process open review threads on their PR. Uses the gh CLI to fetch unresolved comments, make code changes where agreed, and post batch replies with a humble, thankful tone.

Use this skill when optimizing content for answer engines and SERP features - featured snippets (paragraph, list, table), People Also Ask (PAA) targeting, voice search optimization, knowledge panels, speakable schema, and zero-click search strategies. Triggers on winning position zero, optimizing for Google's answer boxes, voice assistant responses, or FAQ-style content optimization.

Use this skill when working with Agile and Scrum methodologies - sprint planning, retrospectives, velocity tracking, Kanban boards, story point estimation, backlog grooming, or team workflow optimization. Triggers on any task involving sprint ceremonies, agile metrics, user story writing, capacity planning, or continuous improvement processes.