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RajanthaR

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• 282 skills
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• 2 weeks ago last updated

1. ▌
   Error Handling · rajanthar

   Patterns for robust error handling across TypeScript, Python, and Go. Covers typed errors, error boundaries, retries, circuit breakers, and user-facing error messages.
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2. ▌
   Nuxt4 Patterns · rajanthar

   Nuxt 4 app patterns for hydration safety, performance, route rules, lazy loading, and SSR-safe data fetching with useFetch and useAsyncData.
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3. ▌
   React Patterns · rajanthar

   React 18/19 patterns including hooks discipline, server/client component boundaries, Suspense + error boundaries, form actions, data fetching, state management decision trees, and accessibility-first composition. Use when writing or reviewing React components.
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4. ▌
   Mysql Patterns · rajanthar

   MySQL and MariaDB schema, query, indexing, transaction, replication, and connection-pool patterns for production backends.
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5. ▌
   Redis Patterns · rajanthar

   Redis data structure patterns, caching strategies, distributed locks, rate limiting, pub/sub, and connection management for production applications.
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6. ▌
   Ce Compound · rajanthar bundle

   Document a recently solved problem to compound your team's knowledge or CONCEPTS.md, the project's shared domain vocabulary.
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7. ▌
   Ce Optimize · rajanthar bundle

   Run metric-driven iterative optimization loops -- define a measurable goal, run parallel experiments, measure each against hard gates or LLM-as-judge scores, keep improvements, and converge on the best solution. Use when optimizing clustering quality, search relevance, build performance, prompt quality, or any measurable outcome that benefits from systematic experimentation.
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8. ▌
   Ce Sessions · rajanthar bundle

   Search and ask questions about coding agent session history across Claude Code, Codex, and Cursor. Use when asking what was worked on, what was tried before, how a problem was investigated across sessions, what happened recently, or any question about past agent sessions. Also use when the user references prior sessions, previous attempts, or past investigations — even without saying 'sessions' explicitly.
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9. ▌
   Ce Strategy · rajanthar bundle

   Create or maintain STRATEGY.md - the product's target problem, approach, users, key metrics, and tracks of work. Use when starting a new product, updating direction, or when prompts like 'write our strategy', 'update the roadmap', 'what are we working on', or 'set up the strategy doc' come up. Also triggers when ce-ideate, ce-brainstorm, or ce-plan need upstream grounding and no strategy doc exists yet.
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10. ▌
    Santa Method · rajanthar

    Multi-agent adversarial verification with convergence loop. Two independent review agents must both pass before output ships.
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11. ▌
    Manim Video · rajanthar bundle

    Build reusable Manim explainers for technical concepts, graphs, system diagrams, and product walkthroughs, then hand off to the wider ECC video stack if needed. Use when the user wants a clean animated explainer rather than a generic talking-head script.
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12. ▌
    Data Scraper Agent · rajanthar

    Build a fully automated AI-powered data collection agent for any public source — job boards, prices, news, GitHub, sports, anything. Scrapes on a schedule, enriches data with a free LLM (Gemini Flash), stores results in Notion/Sheets/Supabase, and learns from user feedback. Runs 100% free on GitHub Actions. Use when the user wants to monitor, collect, or track any public data automatically.
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13. ▌
    Django Patterns · rajanthar

    Django architecture patterns, REST API design with DRF, ORM best practices, caching, signals, middleware, and production-grade Django apps.
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14. ▌
    Nestjs Patterns · rajanthar

    NestJS architecture patterns for modules, controllers, providers, DTO validation, guards, interceptors, config, and production-grade TypeScript backends.
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15. ▌
    Prisma Patterns · rajanthar

    Prisma ORM patterns for TypeScript backends — schema design, query optimization, transactions, pagination, and critical traps like updateMany returning count not records, $transaction timeouts, migrate dev resetting the DB, @updatedAt skipped on bulk writes, and serverless connection exhaustion.
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16. ▌
    Ce Work Beta · rajanthar bundle

    [BETA] Execute work with external delegate support. Same as ce-work but includes experimental Codex delegation mode for token-conserving code implementation.
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17. ▌
    Fal AI Media · rajanthar

    Unified media generation via fal.ai MCP — image, video, and audio. Covers text-to-image (Nano Banana), text/image-to-video (Seedance, Kling, Veo 3), text-to-speech (CSM-1B), and video-to-audio (ThinkSound). Use when the user wants to generate images, videos, or audio with AI.
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18. ▌
    Frontend Design Direction · rajanthar

    Set an ECC-specific frontend design direction for production UI work. Use when building or improving websites, dashboards, applications, components, landing pages, visual tools, or any web UI that needs stronger product-specific design judgment.
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19. ▌
    Perl Security · rajanthar

    Comprehensive Perl security covering taint mode, input validation, safe process execution, DBI parameterized queries, web security (XSS/SQLi/CSRF), and perlcritic security policies.
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20. ▌
    Security Scan · rajanthar

    Scan your Claude Code configuration (.claude/ directory) for security vulnerabilities, misconfigurations, and injection risks using AgentShield. Checks CLAUDE.md, settings.json, MCP servers, hooks, and agent definitions.
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21. ▌
    Backend Patterns · rajanthar

    Backend architecture patterns, API design, database optimization, and server-side best practices for Node.js, Express, and Next.js API routes.
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22. ▌
    Coding Standards · rajanthar

    Baseline cross-project coding conventions for naming, readability, immutability, and code-quality review. Use detailed frontend or backend skills for framework-specific patterns.
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23. ▌
    Brandkit · rajanthar

    Premium brand-kit image generation skill for creating high-end brand-guidelines boards, logo systems, identity decks, and visual-world presentations. Trained for minimalist, cinematic, editorial, dark-tech, luxury, cultural, security, gaming, developer-tool, and consumer-app brand systems. Optimized for intentional logo concepting, refined composition, sparse typography, strong symbolic meaning, premium mockups, art-directed imagery, and flexible grid layouts.
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24. ▌
    UI Demo · rajanthar

    Record polished UI demo videos using Playwright. Use when the user asks to create a demo, walkthrough, screen recording, or tutorial video of a web application. Produces WebM videos with visible cursor, natural pacing, and professional feel.
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25. ▌
    API Design · rajanthar

    REST API design patterns including resource naming, status codes, pagination, filtering, error responses, versioning, and rate limiting for production APIs.
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26. ▌
    X API · rajanthar

    X/Twitter API integration for posting tweets, threads, reading timelines, search, and analytics. Covers OAuth auth patterns, rate limits, and platform-native content posting. Use when the user wants to interact with X programmatically.
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27. ▌
    Nanoclaw Repl · rajanthar

    Operate and extend NanoClaw v2, ECC's zero-dependency session-aware REPL built on claude -p.
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28. ▌
    Motion Design · rajanthar bundle

    Design and implement accessible UI motion systems for React, Next.js, and frontend interfaces. Use for animation, transitions, gestures, drag and drop, page transitions, staggered reveals, SVG motion, loaders, motion tokens, reduced-motion behavior, or the old motion-foundations/motion-patterns/motion-advanced/motion-ui skills.
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29. ▌
    AI Agent Router · rajanthar bundle

    Route AI agent engineering prompts to architecture, orchestration, evaluation, safety, debugging, context, prompt, MCP, persona, local AI, and Compound Engineering skills. Use when prompts mention agents, agent harnesses, agentic workflows, orchestration, evals, context management, MCP servers, or compound engineering.
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30. ▌
    Research Router · rajanthar bundle

    Route research prompts to evidence, retrieval, scraping, data, market, or scientific research skills. Use when prompts mention deep research, current facts, citations, Exa, iterative retrieval, search-first, scraping, data pipelines, PubMed, USPTO, gget, literature review, or scholar evaluation.
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31. ▌
    Ce Demo Reel · rajanthar bundle

    Capture a visual demo reel (GIF, terminal recording, screenshots) for PR descriptions. Use when shipping UI changes, CLI features, or any work with observable behavior that benefits from visual proof. Also use when asked to add a demo, record a GIF, screenshot a feature, show what changed visually, create a demo reel, capture evidence, add proof to a PR, or create a before/after comparison.
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32. ▌
    IOS Icon Gen · rajanthar bundle

    Generate iOS app icons as PNG imagesets for Xcode asset catalogs from SF Symbols (5000+ Apple-native) or Iconify API (275k+ open source icons from 200+ collections). Use when generating icons, creating icon assets, adding icons to asset catalog, or searching for icons for iOS projects.
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33. ▌
    Design System · rajanthar

    Use this skill to generate or audit design systems, check visual consistency, and review PRs that touch styling.
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34. ▌
    Django Celery · rajanthar

    Django + Celery async task patterns — configuration, task design, beat scheduling, retries, canvas workflows, monitoring, and testing. Use when adding background jobs, scheduled tasks, or async processing to a Django app.
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35. ▌
    Lfg · rajanthar bundle

    Run the full autonomous engineering pipeline end-to-end (plan, work, code review, test, commit, push, open PR, watch CI, fix CI failures until green). Use only when the user explicitly requests hands-off execution of a software task and provides a feature description; do not auto-route casual conversation here.
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36. ▌
    Frontend Patterns · rajanthar

    Frontend development patterns for React, Next.js, state management, performance optimization, and UI best practices.
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37. ▌
    Bun Runtime · rajanthar

    Bun as runtime, package manager, bundler, and test runner. When to choose Bun vs Node, migration notes, and Vercel support.
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38. ▌
    MCP Server Patterns · rajanthar

    Build MCP servers with Node/TypeScript SDK — tools, resources, prompts, Zod validation, stdio vs Streamable HTTP. Use Context7 or official MCP docs for latest API.
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39. ▌
    Ck · rajanthar bundle

    Persistent per-project memory for Claude Code. Auto-loads project context on session start, tracks sessions with git activity, and writes to native memory. Commands run deterministic Node.js scripts — behavior is consistent across model versions.
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40. ▌
    Blueprint · rajanthar

    Turn a one-line objective into a step-by-step construction plan for multi-session, multi-agent engineering projects. Each step has a self-contained context brief so a fresh agent can execute it cold. Includes adversarial review gate, dependency graph, parallel step detection, anti-pattern catalog, and plan mutation protocol. TRIGGER when: user requests a plan, blueprint, or roadmap for a complex multi-PR task, or describes work that needs multiple sessions. DO NOT TRIGGER when: task is completable in a single PR or fewer than 3 tool calls, or user says "just do it".
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41. ▌
    Django Tdd · rajanthar

    Django testing strategies with pytest-django, TDD methodology, factory_boy, mocking, coverage, and testing Django REST Framework APIs.
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42. ▌
    Council · rajanthar

    Convene a four-voice council for ambiguous decisions, tradeoffs, and go/no-go calls. Use when multiple valid paths exist and you need structured disagreement before choosing.
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43. ▌
    Liquid Glass Design · rajanthar

    iOS 26 Liquid Glass design system — dynamic glass material with blur, reflection, and interactive morphing for SwiftUI, UIKit, and WidgetKit.
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44. ▌
    Visual Design Taste · rajanthar bundle

    Choose and apply high-quality frontend visual direction for websites, apps, dashboards, redesigns, landing pages, portfolios, and UI polish. Use when prompts mention design taste, anti-slop UI, redesign, premium visual design, minimalist, brutalist, legacy style inheritance, design direction, or the old taste-skill/gpt-tasteskill/soft-skill/brutalist-skill/minimalist-skill/redesign-skill skills.
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45. ▌
    Dashboard Builder · rajanthar

    Build monitoring dashboards that answer real operator questions for Grafana, SigNoz, and similar platforms. Use when turning metrics into a working dashboard instead of a vanity board.
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46. ▌
    Nextjs Turbopack · rajanthar

    Next.js 16+ and Turbopack — incremental bundling, FS caching, dev speed, and when to use Turbopack vs webpack.
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47. ▌
    Perl Patterns · rajanthar

    Modern Perl 5.36+ idioms, best practices, and conventions for building robust, maintainable Perl applications.
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48. ▌
    Rust Patterns · rajanthar

    Idiomatic Rust patterns, ownership, error handling, traits, concurrency, and best practices for building safe, performant applications.
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49. ▌
    Cpp Testing · rajanthar

    Use only when writing/updating/fixing C++ tests, configuring GoogleTest/CTest, diagnosing failing or flaky tests, or adding coverage/sanitizers.
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50. ▌
    E2e Testing · rajanthar

    Playwright E2E testing patterns, Page Object Model, configuration, CI/CD integration, artifact management, and flaky test strategies.
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51. ▌
    Laravel Tdd · rajanthar

    Laravel testing strategies with PHPUnit, Pest, model factories, HTTP tests, Sanctum authentication testing, mocking, and coverage.
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52. ▌
    Quarkus Tdd · rajanthar

    Test-driven development for Quarkus 3.x LTS using JUnit 5, Mockito, REST Assured, Camel testing, and JaCoCo. Use when adding features, fixing bugs, or refactoring event-driven services.
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53. ▌
    Ce Plan · rajanthar bundle

    Create structured plans for multi-step tasks -- software features, research workflows, events, study plans, or any goal that benefits from breakdown. Also deepens existing plans with interactive sub-agent review. Use when the user says 'plan this', 'create a plan', 'how should we build', 'break this down', or when a brainstorm doc is ready for planning. Use 'deepen the plan' or 'deepening pass' for the deepening flow. For exploratory requests, prefer ce-brainstorm first.
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54. ▌
    Ce Work · rajanthar bundle

    Execute work efficiently while maintaining quality and finishing features
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55. ▌
    Videodb · rajanthar bundle

    See, Understand, Act on video and audio. See- ingest from local files, URLs, RTSP/live feeds, or live record desktop; return realtime context and playable stream links. Understand- extract frames, build visual/semantic/temporal indexes, and search moments with timestamps and auto-clips. Act- transcode and normalize (codec, fps, resolution, aspect ratio), perform timeline edits (subtitles, text/image overlays, branding, audio overlays, dubbing, translation), generate media assets (image, audio, video), and create real time alerts for events from live streams or desktop capture.
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56. ▌
    Clickhouse Io · rajanthar

    ClickHouse database patterns, query optimization, analytics, and data engineering best practices for high-performance analytical workloads.
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57. ▌
    Ce Frontend Design · rajanthar

    Build web interfaces with genuine design quality, not AI slop. Use for any frontend work - landing pages, web apps, dashboards, admin panels, components, interactive experiences. Activates for both greenfield builds and modifications to existing applications. Detects existing design systems and respects them. Covers composition, typography, color, motion, and copy. Verifies results via screenshots before declaring done.
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58. ▌
    Ce Gemini Imagegen · rajanthar bundle

    This skill should be used when generating and editing images using the Gemini API (Nano Banana Pro). It applies when creating images from text prompts, editing existing images, applying style transfers, generating logos with text, creating stickers, product mockups, or any image generation/manipulation task. Supports text-to-image, image editing, multi-turn refinement, and composition from multiple reference images.
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59. ▌
    Inherit Legacy Style · rajanthar

    Legacy-project style inheritance skill. Use when the user types /inherit-legacy-style, or when onboarding an AI coding agent onto a hand-written legacy project and you need to prevent "style drift" (the model imposing its pretrained mainstream idioms onto the project). Language- and framework-agnostic — it aligns meta-architecture only, not syntax. Once run, it becomes a behavioral constraint on all subsequent coding tasks. Do NOT use for pure research or one-off questions unrelated to code-style alignment.
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60. ▌
    Angular Developer · rajanthar bundle

    Generates Angular code and provides architectural guidance. Trigger when creating projects, components, or services, or for best practices on reactivity (signals, linkedSignal, resource), forms, dependency injection, routing, SSR, accessibility (ARIA), animations, styling (component styles, Tailwind CSS), testing, or CLI tooling.
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61. ▌
    React Performance · rajanthar

    React and Next.js performance optimization patterns adapted from Vercel Engineering's React Best Practices (https://github.com/vercel-labs/agent-skills). Organizes 70+ rules across 8 priority categories — waterfalls, bundle size, server-side, client fetching, re-render, rendering, JS micro-perf, advanced. Use when writing, reviewing, or refactoring React/Next.js code for performance.
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62. ▌
    Rust Testing · rajanthar

    Rust testing patterns including unit tests, integration tests, async testing, property-based testing, mocking, and coverage. Follows TDD methodology.
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63. ▌
    Tdd Workflow · rajanthar

    Use this skill when writing new features, fixing bugs, or refactoring code. Enforces test-driven development with 80%+ coverage including unit, integration, and E2E tests.
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64. ▌
    Agent Eval · rajanthar

    Head-to-head comparison of coding agents (Claude Code, Aider, Codex, etc.) on custom tasks with pass rate, cost, time, and consistency metrics
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65. ▌
    Ce Setup · rajanthar bundle

    Diagnose and configure compound-engineering environment. Checks CLI dependencies, plugin version, and repo-local config. Offers guided installation for missing tools. Use when troubleshooting missing tools, verifying setup, or before onboarding.
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66. ▌
    Webwright · rajanthar bundle

    Solve a user-specified web task code-as-action style by driving a local Playwright browser through one bash command at a time, saving screenshots and an action log into `final_runs/run_id/`, and visually verifying the result. Use when the user asks to automate a web task (search, filter, form-fill, multi-step flow, data extraction) and wants reusable scripts plus screenshot evidence rather than a one-shot answer.
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67. ▌
    Frontend Design Router · rajanthar bundle

    Route frontend design and UI implementation prompts to the right design skills. Use for accessibility, frontend visual taste, redesigns, design systems, dashboards, motion, image-to-code, web/mobile image generation, Stitch, Vue conversion, UI demos, or CE frontend design.
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68. ▌
    Fastapi Patterns · rajanthar

    FastAPI best practices covering project structure, Pydantic v2 schemas, dependency injection, async handlers, authentication, authorization, transactional service layers, and testing with httpx and pytest.
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69. ▌
    Jpa Patterns · rajanthar

    JPA/Hibernate patterns for entity design, relationships, query optimization, transactions, auditing, indexing, pagination, and pooling in Spring Boot.
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70. ▌
    Ce Debug · rajanthar bundle

    Systematically find root causes and fix bugs. Use when debugging errors, investigating test failures, reproducing bugs from issue trackers (GitHub, Linear, Jira), or when stuck on a problem after failed fix attempts. Also use when the user says 'debug this', 'why is this failing', 'fix this bug', 'trace this error', or pastes stack traces, error messages, or issue references.
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71. ▌
    Dotnet Patterns · rajanthar

    Idiomatic C# and .NET patterns, conventions, dependency injection, async/await, and best practices for building robust, maintainable .NET applications.
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72. ▌
    Golang Patterns · rajanthar

    Idiomatic Go patterns, best practices, and conventions for building robust, efficient, and maintainable Go applications.
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73. ▌
    Python Patterns · rajanthar

    Pythonic idioms, PEP 8 standards, type hints, and best practices for building robust, efficient, and maintainable Python applications.
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74. ▌
    React Testing · rajanthar

    React component testing with React Testing Library, Vitest/Jest, MSW for network mocking, accessibility assertions with axe, and the decision boundary between component tests and Playwright/Cypress end-to-end runs. Use when writing or fixing tests for React components, hooks, or pages.
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75. ▌
    Ce Ideate · rajanthar bundle

    Generate and critically evaluate grounded ideas about a topic. Use when asking what to improve, requesting idea generation, exploring surprising directions, or wanting the AI to proactively suggest strong options before brainstorming one in depth. Triggers on phrases like 'what should I improve', 'give me ideas', 'ideate on X', 'surprise me', 'what would you change', or any request for AI-generated suggestions rather than refining the user's own idea.
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76. ▌
    Ce Polish · rajanthar bundle

    Start the dev server, open the feature in a browser, and iterate on improvements together. Manual invocation only — type /ce-polish to run it.
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77. ▌
    Ce Update · rajanthar bundle

    Check if the compound-engineering plugin is up to date and recommend the update command if not. Use when the user says "update compound engineering", "check compound engineering version", "ce update", "is compound engineering up to date", "update ce plugin", or reports issues that might stem from a stale compound-engineering plugin version. This skill only works in Claude Code — it relies on the plugin harness cache layout.
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78. ▌
    Benchmark · rajanthar

    Use this skill to measure performance baselines, detect regressions before/after PRs, and compare stack alternatives.
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79. ▌
    Mle Workflow · rajanthar

    Production machine-learning engineering workflow for data contracts, reproducible training, model evaluation, deployment, monitoring, and rollback. Use when building, reviewing, or hardening ML systems beyond one-off notebooks.
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80. ▌
    Research Retrieval · rajanthar bundle

    Run evidence-first research, web/source search, Exa search, iterative retrieval, and research-before-coding workflows. Use when prompts ask for current facts, source-backed recommendations, market or company research, code/library discovery, query refinement, cited synthesis, deep research, or the old deep-research/research-ops/exa-search/iterative-retrieval/search-first skills.
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81. ▌
    Vite Patterns · rajanthar

    Vite build tool patterns including config, plugins, HMR, env variables, proxy setup, SSR, library mode, dependency pre-bundling, and build optimization. Activate when working with vite.config.ts, Vite plugins, or Vite-based projects.
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82. ▌
    Code Tour · rajanthar

    Create CodeTour `.tour` files — persona-targeted, step-by-step walkthroughs with real file and line anchors. Use for onboarding tours, architecture walkthroughs, PR tours, RCA tours, and structured "explain how this works" requests.
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