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Claude Skills by Undermybelt
github.com/Undermybelt1,299 skills6 installs3,292 views
- Us Value InvestingUS stock value investing analysis framework. Systematically evaluates listed companies through 4 core dimensions (ROE sustainability, debt safety, free cash flow quality, economic moat assessment), outputting investment ratings and analytical reasoning. This skill should be used when users mention topics such as whether a US stock is worth holding long-term, fundamental analysis of a company, ROE analysis, debt ratio assessment, free cash flow, economic moat, Buffett-style stock picking, valu...Votes: 0GitHub stars: 9
- CustomizeAdapt this C/C++ ASAN vulnerability pipeline to a different vulnerability class, target shape, language, or detection mechanism. Use when the user wants to port, migrate, retarget, customize, or fork the pipeline for something other than C/C++ memory-safety bugs — web apps, smart contracts, deserialization, ML systems, or any other domain.Votes: 0GitHub stars: 9
- HarnessAnthropic Defending Code Reference Harness safety wrapper. Use for questions or operating plans around the vuln-pipeline autonomous vulnerability-discovery harness, sandbox setup, C/C++ ASAN targets, recon/find/grade/report/patch flow, or adapting the reference harness. Reference-only until the user explicitly asks to bring up the Python/Docker runtime.Votes: 0GitHub stars: 9
- PatchGenerate candidate fixes for verified security findings. ConsumesVotes: 0GitHub stars: 9
- QuickstartThe front door for this repo. With no argument: a 30-second intro, then an offer to walk you through your first run on the canary target. With a question: answers it from this repo's own docs and source, cites where it looked, and hands you the next command. Use for "how do I…", "why does…", "where is…", "can this…", or just "/quickstart" to get oriented.Votes: 0GitHub stars: 9
- Threat ModelBuild a threat model for a target codebase. Three modes: "interview" walks an application owner through the four-question framework and produces a threat model from their answers; "bootstrap" derives a threat model from the code plus past vulnerabilities (CVEs, git history, pentest reports) when no owner is available; "bootstrap-then-interview" chains the two when both owner and codebase are present. All write THREAT_MODEL.md in a shared schema. Use when asked to "threat model", "build a thre...Votes: 0GitHub stars: 9
- TriageTriage a batch of raw security findings. Verify each is real,Votes: 0GitHub stars: 9
- Vuln ScanStatic source-code vulnerability scan. Reads a target directory (and THREAT_MODEL.md if present), spawns parallel review subagents per focus area, and writes VULN-FINDINGS.json + .md for /triage to consume. Read-only — no building, running, or network. For execution-verified crashes, use vuln-pipeline instead. Use when asked to "scan for vulns", "review this code for security issues", "find bugs in <dir>", or as the step between /threat-model and /triage.Votes: 0GitHub stars: 9
- Ecc AccessibilityDesign, implement, and audit inclusive digital products using WCAG 2.2 Level AAVotes: 0GitHub stars: 9
- Ecc Agent Architecture AuditFull-stack diagnostic for agent and LLM applications. Audits the 12-layer agent stack for wrapper regression, memory pollution, tool discipline failures, hidden repair loops, and rendering corruption. Produces severity-ranked findings with code-first fixes. Essential for developers building agent applications, autonomous loops, or any LLM-powered feature.Votes: 0GitHub stars: 9
- Ecc Agent EvalHead-to-head comparison of coding agents (Claude Code, Aider, Codex, etc.) on custom tasks with pass rate, cost, time, and consistency metricsVotes: 0GitHub stars: 9
- Ecc Agent Harness ConstructionDesign and optimize AI agent action spaces, tool definitions, and observation formatting for higher completion rates.Votes: 0GitHub stars: 9
- Ecc Agent Introspection DebuggingStructured self-debugging workflow for AI agent failures using capture, diagnosis, contained recovery, and introspection reports.Votes: 0GitHub stars: 9
- Ecc Agent Payment X402Add x402 payment execution to AI agents with per-task budgets, spending controls, and non-custodial wallets. Supports Base through agentwallet-sdk and X Layer through OKX Payments / OKX Agent Payments Protocol.Votes: 0GitHub stars: 9
- Ecc Agent SortBuild an evidence-backed ECC install plan for a specific repo by sorting skills, commands, rules, hooks, and extras into DAILY vs LIBRARY buckets using parallel repo-aware review passes. Use when ECC should be trimmed to what a project actually needs instead of loading the full bundle.Votes: 0GitHub stars: 9
- Ecc Agentic EngineeringOperate as an agentic engineer using eval-first execution, decomposition, and cost-aware model routing.Votes: 0GitHub stars: 9
- Ecc Agentic OsBuild persistent multi-agent operating systems on Claude Code. Covers kernel architecture, specialist agents, slash commands, file-based memory, scheduled automation, and state management without external databases.Votes: 0GitHub stars: 9
- Ecc Ai First EngineeringEngineering operating model for teams where AI agents generate a large share of implementation output.Votes: 0GitHub stars: 9
- Ecc Ai Regression TestingRegression testing strategies for AI-assisted development. Sandbox-mode API testing without database dependencies, automated bug-check workflows, and patterns to catch AI blind spots where the same model writes and reviews code.Votes: 0GitHub stars: 9
- Ecc Android Clean ArchitectureClean Architecture patterns for Android and Kotlin Multiplatform projects — module structure, dependency rules, UseCases, Repositories, and data layer patterns.Votes: 0GitHub stars: 9
- Ecc Angular DeveloperGenerates 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.Votes: 0GitHub stars: 9
- Ecc Api Connector BuilderBuild a new API connector or provider by matching the target repo's existing integration pattern exactly. Use when adding one more integration without inventing a second architecture.Votes: 0GitHub stars: 9
- Ecc Api DesignREST API design patterns including resource naming, status codes, pagination, filtering, error responses, versioning, and rate limiting for production APIs.Votes: 0GitHub stars: 9
- Ecc Architecture Decision RecordsCapture architectural decisions made during Claude Code sessions as structured ADRs. Auto-detects decision moments, records context, alternatives considered, and rationale. Maintains an ADR log so future developers understand why the codebase is shaped the way it is.Votes: 0GitHub stars: 9
- Ecc Article WritingWrite articles, guides, blog posts, tutorials, newsletter issues, and other long-form content in a distinctive voice derived from supplied examples or brand guidance. Use when the user wants polished written content longer than a paragraph, especially when voice consistency, structure, and credibility matter.Votes: 0GitHub stars: 9
- Ecc Automation Audit OpsEvidence-first automation inventory and overlap audit workflow for ECC. Use when the user wants to know which jobs, hooks, connectors, MCP servers, or wrappers are live, broken, redundant, or missing before fixing anything.Votes: 0GitHub stars: 9
- Ecc Autonomous Agent HarnessTransform Claude Code into a fully autonomous agent system with persistent memory, scheduled operations, computer use, and task queuing. Replaces standalone agent frameworks (Hermes, AutoGPT) by leveraging Claude Code's native crons, dispatch, MCP tools, and memory. Use when the user wants continuous autonomous operation, scheduled tasks, or a self-directing agent loop.Votes: 0GitHub stars: 9
- Ecc Autonomous LoopsPatterns and architectures for autonomous Claude Code loops — from simple sequential pipelines to RFC-driven multi-agent DAG systems.Votes: 0GitHub stars: 9
- Ecc Backend PatternsBackend architecture patterns, API design, database optimization, and server-side best practices for Node.js, Express, and Next.js API routes.Votes: 0GitHub stars: 9
- Ecc Benchmark Optimization LoopUse when the user asks to make something faster, try many variants, run recursive optimization, benchmark latency/throughput/cost, or choose the best implementation by repeated measured tests.Votes: 0GitHub stars: 9
- Ecc BenchmarkUse this skill to measure performance baselines, detect regressions before/after PRs, and compare stack alternatives.Votes: 0GitHub stars: 9
- Ecc Blender Motion State InspectionUse this skill when inspecting Blender characters, rigs, poses, animation retargeting, ground contact, facing direction, or model-vs-motion alignment where screenshots alone are not enough.Votes: 0GitHub stars: 9
- Ecc BlueprintTurn 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 comple...Votes: 0GitHub stars: 9
- Ecc Brand VoiceBuild a source-derived writing style profile from real posts, essays, launch notes, docs, or site copy, then reuse that profile across content, outreach, and social workflows. Use when the user wants voice consistency without generic AI writing tropes.Votes: 0GitHub stars: 9
- Ecc Browser QaUse this skill to automate visual testing and UI interaction verification using browser automation after deploying features.Votes: 0GitHub stars: 9
- Ecc Bun RuntimeBun as runtime, package manager, bundler, and test runner. When to choose Bun vs Node, migration notes, and Vercel support.Votes: 0GitHub stars: 9
- Ecc Canary WatchUse this skill to monitor and verify a deployed URL after releases — checks HTTP endpoints, SSE streams, static assets, console errors, and performance regressions after deploys, merges, or dependency upgrades. Smoke / canary / post-deploy verification.Votes: 0GitHub stars: 9
- Ecc Carrier Relationship ManagementCodified expertise for managing carrier portfolios, negotiating freight rates, tracking carrier performance, allocating freight, and maintaining strategic carrier relationships. Informed by transportation managers with 15+ years experience. Includes scorecarding frameworks, RFP processes, market intelligence, and compliance vetting. Use when managing carriers, negotiating rates, evaluating carrier performance, or building freight strategies.Votes: 0GitHub stars: 9
- Ecc Cisco Ios PatternsCisco IOS and IOS-XE review patterns for show commands, config hierarchy, wildcard masks, ACL placement, interface hygiene, and safe change-window verification.Votes: 0GitHub stars: 9
- Ecc CkPersistent 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.Votes: 0GitHub stars: 9
- Ecc Claude DevfleetOrchestrate multi-agent coding tasks via Claude DevFleet — plan projects, dispatch parallel agents in isolated worktrees, monitor progress, and read structured reports.Votes: 0GitHub stars: 9
- Ecc Click Path AuditTrace every user-facing button/touchpoint through its full state change sequence to find bugs where functions individually work but cancel each other out, produce wrong final state, or leave the UI in an inconsistent state. Use when: systematic debugging found no bugs but users report broken buttons, or after any major refactor touching shared state stores.Votes: 0GitHub stars: 9
- Ecc Clickhouse IoClickHouse database patterns, query optimization, analytics, and data engineering best practices for high-performance analytical workloads.Votes: 0GitHub stars: 9
- Ecc Code TourCreate 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.Votes: 0GitHub stars: 9
- Ecc Codebase OnboardingAnalyze an unfamiliar codebase and generate a structured onboarding guide with architecture map, key entry points, conventions, and a starter CLAUDE.md. Use when joining a new project or setting up Claude Code for the first time in a repo.Votes: 0GitHub stars: 9
- Ecc Coding StandardsBaseline cross-project coding conventions for naming, readability, immutability, and code-quality review. Use detailed frontend or backend skills for framework-specific patterns.Votes: 0GitHub stars: 9
- Ecc Compose Multiplatform PatternsCompose Multiplatform and Jetpack Compose patterns for KMP projects — state management, navigation, theming, performance, and platform-specific UI.Votes: 0GitHub stars: 9
- Ecc Configure EccInteractive installer for Everything Claude Code — guides users through selecting and installing skills and rules to user-level or project-level directories, verifies paths, and optionally optimizes installed files.Votes: 0GitHub stars: 9
- Ecc Connections OptimizerReorganize the user's X and LinkedIn network with review-first pruning, add/follow recommendations, and channel-specific warm outreach drafted in the user's real voice. Use when the user wants to clean up following lists, grow toward current priorities, or rebalance a social graph around higher-signal relationships.Votes: 0GitHub stars: 9
- Ecc Content EngineCreate platform-native content systems for X, LinkedIn, TikTok, YouTube, newsletters, and repurposed multi-platform campaigns. Use when the user wants social posts, threads, scripts, content calendars, or one source asset adapted cleanly across platforms.Votes: 0GitHub stars: 9