Browse 5,831 Fullstack & Backend Engineering — Agentic Skills

Production-ready patterns for building LLM applications: RAG, agents, prompt design, tool use, streaming, and evaluation, inspired by [Dify](https://github.com/langgenius/dify). Use when architecting LLM features like chatbots, copilots, or retrieval pipelines.

Apply systematic debugging methodology: reproduce, isolate, bisect, and root-cause problems with proven strategies and tools. Use when approaching a stubborn bug methodically, before or alongside hands-on debugging.

Web and App implementation guide for Cyber Y2K. Trigger when user wants modern Y2K, holographic visuals, and glitch aesthetics.

Web and App implementation guide for Vibrant Maximalism. Trigger when user wants rich colors, dense layouts, extreme sensory input, and "more is more".

Web and App implementation guide for Neumorphism (Soft UI). Trigger when user wants soft shadows, extruded appearance, and light source simulation.

Web and App implementation guide for Dark Mode Design. Trigger when user wants dark surfaces, reduced eye strain, and premium sleek aesthetics.

Web and App implementation guide for Sci-Fi Interface Design. Trigger when user wants HUDs, spacecraft dashboards, or tactical military readouts.

Web and App implementation guide for Vaporwave. Trigger when user wants neon colors, retro digital aesthetics, 90s OS elements, and Roman statues.

Web and App implementation guide for Frutiger Aero. Trigger when user wants glossy gradients, early 2000s nature-inspired tech, glass, and water motifs.

Web and App implementation guide for Retro Futurism. Trigger when user wants vintage future concepts, 1950s space age aesthetics, or atompunk vibes.

Web and App implementation guide for Claymorphism. Trigger when user wants soft 3D elements, rounded shapes, and a playful, tactile appearance.

Use Copilot Spaces to provide project-specific context to conversations. Use this skill when users mention a "Copilot space", want to load context from a shared knowledge base, discover available spaces, or ask questions grounded in curated project documentation, code, and instructions.

Generate ASCII art diagrams using PlantUML text mode. Use when user asks to create ASCII diagrams, text-based diagrams, terminal-friendly diagrams, or mentions plantuml ascii, text diagram, ascii art diagram. Supports: Converting PlantUML diagrams to ASCII art, Creating sequence diagrams, class diagrams, flowcharts in ASCII format, Generating Unicode-enhanced ASCII art with -utxt flag

Guidelines for contributing commands in VS Code extensions. Indicates naming convention, visibility, localization and other relevant attributes, following VS Code extension development guidelines, libraries and good practices

Draft performance reviews, self-assessments, peer reviews, and upward feedback in your own voice. Analyzes your contributions, emails, and meeting history via WorkIQ, then produces honest, impact-focused drafts using the STAR format. USE FOR: write my performance review, draft self-assessment, peer review, 360 feedback, annual review, mid-year review, upward feedback, write review for colleague, performance appraisal.

Three-layer verification pipeline for AI output. Extracts verifiable claims, finds supporting or contradicting sources via web search, runs adversarial review for hallucination patterns, and produces a structured verification report with source links for human review.

Set up server-side conversion tracking so purchases are reported accurately to Facebook, TikTok, Google and Bing despite iOS restrictions, ad blockers and cookie loss. Use when conversions are under-reported, when platform-reported purchases do not match real orders, when asked about Conversions API / Events API / offline conversions / CAPI, click id passthrough (fbclid, ttclid, gclid, msclkid), or when ad optimization has degraded after tracking changes.

Merges mature lessons from a domain memory file into its instruction file. Syntax: `/memory-merger >domain [scope]` where scope is `global` (default), `user`, `workspace`, or `ws`.

Design AI agent architectures through requirements discovery, or audit and diagnose architectural flaws in existing agents. Architecture only; excludes implementation and general code review.

Create Git branches following the Conventional Branch specification (feature/, bugfix/, hotfix/, release/, chore/, plus AI agent prefixes ai/, copilot/, cursor/, claude/, codex/). Use when creating a new branch, naming a branch, or checking whether a branch name complies with the spec.

Generate a complete Kotlin MCP server project with proper structure, dependencies, and implementation using the official io.modelcontextprotocol:kotlin-sdk library.

Use this skill when a user needs a screenshot, website thumbnail, full-page capture, or PDF of a public HTTP(S) webpage saved as a local artifact through Latchshot, including report, QA, archive, and social-preview workflows. Do not use it for private or authenticated pages, raw HTML, scraping or extraction, arbitrary browser actions, CAPTCHA or anti-bot bypass, or local-file capture.

Write and review unit tests for Vue 3 + TypeScript + Vitest + Pinia codebases. Use when creating or updating tests for components, composables, and stores; mocking Pinia with createTestingPinia; applying Vue Test Utils patterns; and enforcing black-box assertions over implementation details.

Turn vague "what did I do?" into evidence-backed impact statements for performance reviews, self-reviews, promotion packets, and weekly updates. Uniquely mines Copilot CLI session logs to reconstruct forgotten work, plus git commits and GitHub PRs. Enforces a 3-part impact contract (action → result → evidence). Works standalone with zero dependencies. Trigger for: "brag", "log work", "what did I do", "backfill my work history", "performance review", "self-review", "self assessment", "w