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Claude Skills by Undermybelt
github.com/Undermybelt1,298 skills17 installs4,905 views
- Ecc React TestingReact 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.Votes: 0GitHub stars: 9
- Ecc Recsys Pipeline ArchitectDesign composable recommendation, ranking, and feed pipelines using the six-stage Source→Hydrator→Filter→Scorer→Selector→SideEffect framework popularized by xAI's open-sourced For You algorithm. Use this skill whenever the user is building any system that picks "the top K items for a (user, context)" — social feeds, content CMSs, RAG rerankers, task prioritizers, notification triage, search reranking, ad ranking.Votes: 0GitHub stars: 9
- Ecc Recursive Decision LedgerUse when the user asks for repeated rollouts, marked decision processes, high-dimensional search, stochastic optimization, local-optima exploration, ensemble comparison, or recursive reasoning with a visible evidence trail.Votes: 0GitHub stars: 9
- Ecc Redis PatternsRedis data structure patterns, caching strategies, distributed locks, rate limiting, pub/sub, and connection management for production applications.Votes: 0GitHub stars: 9
- Ecc Regex Vs Llm Structured TextDecision framework for choosing between regex and LLM when parsing structured text — start with regex, add LLM only for low-confidence edge cases.Votes: 0GitHub stars: 9
- Ecc Remotion Video CreationBest practices for Remotion - Video creation in React. 29 domain-specific rules covering 3D, animations, audio, captions, charts, transitions, and more.Votes: 0GitHub stars: 9
- Ecc Repo ScanCross-stack source code asset audit — classifies every file, detects embedded third-party libraries, and delivers actionable four-level verdicts per module with interactive HTML reports.Votes: 0GitHub stars: 9
- Ecc Research OpsEvidence-first current-state research workflow for ECC. Use when the user wants fresh facts, comparisons, enrichment, or a recommendation built from current public evidence and any supplied local context.Votes: 0GitHub stars: 9
- Ecc Returns Reverse LogisticsCodified expertise for returns authorization, receipt and inspection, disposition decisions, refund processing, fraud detection, and warranty claims management. Informed by returns operations managers with 15+ years experience. Includes grading frameworks, disposition economics, fraud pattern recognition, and vendor recovery processes. Use when handling product returns, reverse logistics, refund decisions, return fraud detection, or warranty claims.Votes: 0GitHub stars: 9
- Ecc Rules DistillScan skills to extract cross-cutting principles and distill them into rules — append, revise, or create new rule filesVotes: 0GitHub stars: 9
- Ecc Rust PatternsIdiomatic Rust patterns, ownership, error handling, traits, concurrency, and best practices for building safe, performant applications.Votes: 0GitHub stars: 9
- Ecc Rust TestingRust testing patterns including unit tests, integration tests, async testing, property-based testing, mocking, and coverage. Follows TDD methodology.Votes: 0GitHub stars: 9
- Ecc Safety GuardUse this skill to prevent destructive operations when working on production systems or running agents autonomously.Votes: 0GitHub stars: 9
- Ecc Santa MethodMulti-agent adversarial verification with convergence loop. Two independent review agents must both pass before output ships.Votes: 0GitHub stars: 9
- Ecc Scientific Db Pubmed DatabaseDirect PubMed and NCBI E-utilities search workflows for biomedical literature, MeSH queries, PMID lookup, citation retrieval, and API-backed literature monitoring.Votes: 0GitHub stars: 9
- Ecc Scientific Db Uspto DatabaseUSPTO patent and trademark data workflow for official record lookup, PatentSearch queries, TSDR checks, assignment data, and reproducible IP research logs.Votes: 0GitHub stars: 9
- Ecc Scientific Pkg Ggetgget CLI and Python workflow for quick genomic database queries, sequence lookup, BLAST-style searches, enrichment checks, and reproducible bioinformatics evidence logs.Votes: 0GitHub stars: 9
- Ecc Scientific Thinking Literature ReviewSystematic literature-review workflow for academic, biomedical, technical, and scientific topics, including search planning, source screening, synthesis, citation checks, and evidence logging.Votes: 0GitHub stars: 9
- Ecc Scientific Thinking Scholar EvaluationStructured scholarly-work evaluation for papers, proposals, literature reviews, methods sections, evidence quality, citation support, and research-writing feedback.Votes: 0GitHub stars: 9
- Ecc Search FirstResearch-before-coding workflow. Search for existing tools, libraries, and patterns before writing custom code. Invokes the researcher agent.Votes: 0GitHub stars: 9
- Ecc Security Bounty HunterHunt for exploitable, bounty-worthy security issues in repositories. Focuses on remotely reachable vulnerabilities that qualify for real reports instead of noisy local-only findings.Votes: 0GitHub stars: 9
- Ecc Security ReviewUse this skill when adding authentication, handling user input, working with secrets, creating API endpoints, or implementing payment/sensitive features. Provides comprehensive security checklist and patterns.Votes: 0GitHub stars: 9
- Ecc Security ScanScan 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.Votes: 0GitHub stars: 9
- Ecc SeoAudit, plan, and implement SEO improvements across technical SEO, on-page optimization, structured data, Core Web Vitals, and content strategy. Use when the user wants better search visibility, SEO remediation, schema markup, sitemap/robots work, or keyword mapping.Votes: 0GitHub stars: 9
- Ecc Skill ComplyVisualize whether skills, rules, and agent definitions are actually followed — auto-generates scenarios at 3 prompt strictness levels, runs agents, classifies behavioral sequences, and reports compliance rates with full tool call timelinesVotes: 0GitHub stars: 9
- Ecc Skill ScoutSearch existing local, marketplace, GitHub, and web skill sources before creating a new skill. Use when the user wants to create, build, fork, or find a skill for a workflow.Votes: 0GitHub stars: 9
- Ecc Skill StocktakeUse when auditing Claude skills and commands for quality. Supports Quick Scan (changed skills only) and Full Stocktake modes with sequential subagent batch evaluation.Votes: 0GitHub stars: 9
- Ecc Social Graph RankerWeighted social-graph ranking for warm intro discovery, bridge scoring, and network gap analysis across X and LinkedIn. Use when the user wants the reusable graph-ranking engine itself, not the broader outreach or network-maintenance workflow layered on top of it.Votes: 0GitHub stars: 9
- Ecc Social PublisherAgent-driven scheduling and publishing of social media posts across 13 platforms via SocialClaw. Use when the user wants to publish to X, LinkedIn, Instagram, Facebook Pages, TikTok, Discord, Telegram, YouTube, Reddit, WordPress, or Pinterest — or when managing campaigns, uploading media, or monitoring post delivery status.Votes: 0GitHub stars: 9
- Ecc Springboot PatternsSpring Boot architecture patterns, REST API design, layered services, data access, caching, async processing, and logging. Use for Java Spring Boot backend work.Votes: 0GitHub stars: 9
- Ecc Springboot SecuritySpring Security best practices for authn/authz, validation, CSRF, secrets, headers, rate limiting, and dependency security in Java Spring Boot services.Votes: 0GitHub stars: 9
- Ecc Springboot TddTest-driven development for Spring Boot using JUnit 5, Mockito, MockMvc, Testcontainers, and JaCoCo. Use when adding features, fixing bugs, or refactoring.Votes: 0GitHub stars: 9
- Ecc Springboot VerificationVerification loop for Spring Boot projects: build, static analysis, tests with coverage, security scans, and diff review before release or PR.Votes: 0GitHub stars: 9
- Ecc Strategic CompactSuggests manual context compaction at logical intervals to preserve context through task phases rather than arbitrary auto-compaction.Votes: 0GitHub stars: 9
- Ecc Swift Actor PersistenceThread-safe data persistence in Swift using actors — in-memory cache with file-backed storage, eliminating data races by design.Votes: 0GitHub stars: 9
- Ecc Swift Concurrency 6 2Swift 6.2 Approachable Concurrency — single-threaded by default, @concurrent for explicit background offloading, isolated conformances for main actor types.Votes: 0GitHub stars: 9
- Ecc Swift Protocol Di TestingProtocol-based dependency injection for testable Swift code — mock file system, network, and external APIs using focused protocols and Swift Testing.Votes: 0GitHub stars: 9
- Ecc Swiftui PatternsSwiftUI architecture patterns, state management with @Observable, view composition, navigation, performance optimization, and modern iOS/macOS UI best practices.Votes: 0GitHub stars: 9
- Ecc Tdd WorkflowUse this skill when writing new features, fixing bugs, or refactoring code. Enforces test-driven development with 80%+ coverage including unit, integration, and E2E tests.Votes: 0GitHub stars: 9
- Ecc Team Agent OrchestrationRun team-based orchestration for agent squads using work items, ownership, agent Kanban, merge gates, and control pane handoffs.Votes: 0GitHub stars: 9
- Ecc Team BuilderInteractive agent picker for composing and dispatching parallel teamsVotes: 0GitHub stars: 9
- Ecc Terminal OpsEvidence-first repo execution workflow for ECC. Use when the user wants a command run, a repo checked, a CI failure debugged, or a narrow fix pushed with exact proof of what was executed and verified.Votes: 0GitHub stars: 9
- Ecc Tinystruct PatternsExpert guidance for developing with the tinystruct Java framework. Use when working on the tinystruct codebase or any project built on tinystruct — including creating Application classes, @Action-mapped routes, unit tests, ActionRegistry, HTTP/CLI dual-mode handling, the built-in HTTP server, the event system, JSON with Builder/Builders, database persistence with AbstractData, POJO generation, Server-Sent Events (SSE), file uploads, and outbound HTTP networking.Votes: 0GitHub stars: 9
- Ecc Token Budget AdvisorOffers the user an informed choice about how much response depth to consume before answering. Use this skill when the user explicitly wants to control response length, depth, or token budget. TRIGGER when: "token budget", "token count", "token usage", "token limit", "response length", "answer depth", "short version", "brief answer", "detailed answer", "exhaustive answer", "respuesta corta vs larga", "cuántos tokens", "ahorrar tokens", "responde al 50%", "dame la versión corta", "quiero contro...Votes: 0GitHub stars: 9
- Ecc Ui DemoRecord 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.Votes: 0GitHub stars: 9
- Ecc Ui To VueUse when the user has UI screenshots or design exports that need batch conversion into Vue 3 components, especially with Vant, Element Plus, or Ant Design Vue.Votes: 0GitHub stars: 9
- Ecc UncloudUse when managing an Uncloud cluster — deploying services, configuring Caddy ingress, adding static proxy routes for non-cluster devices, publishing ports, scaling, inspecting logs, or managing machines and volumes with the `uc` CLI.Votes: 0GitHub stars: 9
- Ecc Unified Notifications OpsOperate notifications as one ECC-native workflow across GitHub, Linear, desktop alerts, hooks, and connected communication surfaces. Use when the real problem is alert routing, deduplication, escalation, or inbox collapse.Votes: 0GitHub stars: 9
- Ecc Verification LoopA comprehensive verification system for Claude Code sessions.Votes: 0GitHub stars: 9
- Ecc Video EditingAI-assisted video editing workflows for cutting, structuring, and augmenting real footage. Covers the full pipeline from raw capture through FFmpeg, Remotion, ElevenLabs, fal.ai, and final polish in Descript or CapCut. Use when the user wants to edit video, cut footage, create vlogs, or build video content.Votes: 0GitHub stars: 9