Skill Catalog
Browse 4,314 curated AI agent skills. No account needed.
Software Engineering
Ln 400 Story Executor
Executes Story tasks in priority order (To Review, To Rework, Todo). Use when Story has planned tasks ready for implementation.
Ln 401 Task Executor
Executes implementation tasks through Todo, In Progress, To Review. Use when task needs coding with KISS/YAGNI. Not for test tasks.
Ln 402 Task Reviewer
Reviews task implementation for quality, code standards, and test coverage. Use when task is in To Review. Sets task Done or To Rework.
Ln 404 Test Executor
Executes test tasks (label 'tests') through Todo to To Review with risk-based limits. Use for test task execution. Not for implementation tasks.
Ln 510 Quality Coordinator
Use when coordinating story quality evaluation with mandatory research, worker summaries, agent review, regression evidence, and bounded refinement.
Ln 511 Code Quality Checker
Checks DRY/KISS/YAGNI/architecture compliance with quantitative Code Quality Score. Use when implementation tasks are Done and need quality scoring.
Ln 512 Tech Debt Cleaner
Auto-fixes low-risk tech debt (unused imports, dead code, commented-out code) with >=90% confidence. Use when audit findings need safe automated cleanup.
Ln 513 Regression Checker
Runs existing test suite to catch regressions after implementation changes. Use when Story needs regression verification. No status changes.
Ln 514 Test Log Analyzer
Analyzes application logs: classifies errors, checks log quality, maps stack traces to source. Use when logs need review after test runs or during development.
Ln 520 Test Planner
Orchestrates test planning pipeline: research, manual testing, automated test planning. Use when Story needs comprehensive test coverage planning.
Ln 521 Test Researcher
Researches real-world problems, competitor solutions, and customer complaints for a feature domain. Use before test planning to ground tests in actual user pain points.
Ln 522 Manual Tester
Performs manual testing of Story AC via executable bash scripts in tests/manual/. Use when Story implementation needs hands-on AC verification.
Ln 523 Auto Test Planner
Plans automated tests (E2E/Integration/Unit) using Risk-Based Testing after manual testing. Use when Story needs a test task with prioritized scenarios.
Ln 611 Docs Structure Auditor
Checks hierarchy, links, SSOT, compression, requirements compliance, freshness, legacy cleanup. Use when auditing documentation structure.
Ln 612 Semantic Content Auditor
Checks document semantic content against SCOPE and project goals, coverage gaps, off-topic content, SSOT. Use when auditing documentation relevance.
Ln 613 Code Comments Auditor
Checks inline code documentation quality: WHY-not-WHAT, density, forbidden content, docstrings quality, actuality, legacy cleanup. Use when auditing comments and docstrings.
Ln 614 Docs Fact Checker
Verifies claims in .md files (paths, versions, counts, configs, endpoints) against codebase, cross-checks contradictions. Use when auditing docs accuracy.
Ln 620 Codebase Auditor
Use when auditing the codebase through the evaluation platform with mandatory research, coordinated domain audit workers, and structured summaries.
Ln 622 Build Delivery Gate Auditor
Checks build, lint, type, test, and CI delivery gate failures. Use when auditing whether the project can reliably ship.
Ln 623 Duplication Overabstraction Auditor
Checks evidence-backed duplication, over-abstraction, and unused extensibility. Use when auditing DRY/KISS/YAGNI risk.
Ln 624 Code Maintainability Hotspot Auditor
Checks local maintainability hotspots: complexity, long methods, god modules, signatures, algorithms, and constants. Also flags identifier drift across API/DTO/DB layers. Use when auditing code hotspots.
Ln 625 Dependency Reuse Auditor
Checks dependency health and generic custom utility/integration replacement opportunities. Use when auditing dependency and reuse risk.
Ln 626 Dead Code Pruning Auditor
Finds code that can be safely deleted: unreachable, unused, obsolete compatibility, and commented-out code. Use when pruning dead code.
Ln 627 Diagnosability Auditor
Checks diagnosability through structured logs, metrics, traces, correlation IDs, and useful log levels. Use when auditing incident visibility.
Ln 628 Concurrency Correctness Auditor
Checks races, deadlocks, async hazards, TOCTOU, blocking I/O, and shared resource contention. Use when auditing concurrency correctness.
Ln 629 Runtime Lifecycle Config Auditor
Checks runtime lifecycle and config validation: bootstrap, shutdown, probes, cleanup, env sync, and fail-fast startup. Use for runtime readiness.
Ln 630 Test Auditor
Use when auditing the test surface through the evaluation platform with mandatory research, coordinated test audit workers, and structured summaries.
Ln 631 Test Business Logic Auditor
Detects tests proving platform behavior instead of local product behavior. Use when auditing product-behavior focus.
Ln 632 Test E2e Priority Auditor
Audits E2E coverage for critical user-visible journeys and wasteful E2E tests. Use when reviewing E2E journey value.
Ln 633 Test Value Auditor
Scores each test by portfolio value and returns KEEP/DELETE/MERGE/REWRITE. Use when pruning test-suite cost.
Ln 634 Test Coverage Auditor
Identifies missing tests for unique critical local logic: money, auth, permissions, data integrity, algorithms, and domain rules. Use when auditing critical logic coverage gaps.
Ln 635 Test Isolation Auditor
Audits whether test results can be trusted: flakiness, isolation, real external dependencies, time/random/order dependency, and shared state. Use when auditing test trustworthiness.
Ln 636 Manual Test Auditor
Audits manual test evidence quality: reproducibility, fail-fast behavior, expected evidence/golden files, idempotency, and documentation. Use when auditing manual tests.
Ln 637 Test Structure Auditor
Audits test maintainability and structure: layout drift, orphan tests, fragmented duplicates, test-to-source mapping, and domain grouping. Use when auditing test suite organization.
Ln 638 Test Oracle Effectiveness Auditor
Audits assertion strength and test oracles that prove real defects. Use when finding weak tests that execute code but prove little.
Ln 640 Pattern Evolution Auditor
Use when auditing architectural patterns through the evaluation platform with mandatory best-practice research, coordinated pattern workers, and structured summaries.
Ln 641 Pattern Fitness Auditor
Audits whether one implemented architectural pattern fits project needs and best practices. Use when checking pattern fitness.
Ln 642 Layer Ownership Boundary Auditor
Checks layer, resource ownership, and orchestration boundaries. Use when auditing architecture boundary enforcement.
Ln 643 API Contract Auditor
Checks layer leakage in method signatures, missing DTOs, entity leakage to API, inconsistent error contracts. Use when auditing API contracts.
Ln 644 Dependency Topology Auditor
Builds dependency topology, detects cycles, validates import rules, and calculates coupling metrics. Use when auditing architecture topology.
Ln 645 Architecture Modernization Auditor
Finds architecture-level modernization opportunities: obsolete custom mechanisms, overbuilt extension points, and simplifiable architecture. Use when auditing architecture evolution.
Ln 646 Project Structure Auditor
Audits physical architecture structure: modules, domains, layer layout, junk drawers, and framework placement. Use for structure drift.
Ln 647 Configuration Boundary Auditor
Audits architecture config boundaries: typed settings, scattered env reads, config leakage, and layer ownership. Use for config architecture.
Ln 651 Query Efficiency Auditor
Checks redundant fetches, N+1 loops, over-fetching, missing bulk operations, wrong caching scope. Use when auditing query efficiency.
Ln 652 Transaction Correctness Auditor
Checks transaction scope, missing rollback handling, long-held transactions, trigger/notify interaction. Use when auditing transaction correctness.
Ln 653 Runtime Performance Auditor
Checks blocking IO in async, unnecessary allocations, sync sleep, string concat in loops, redundant copies. Use when auditing runtime performance.
Ln 654 Resource Lifecycle Auditor
Checks session scope mismatch, missing cleanup, pool config, error path leaks, resource holding. Use when auditing resource lifecycle.
Ln 700 Project Bootstrap
Bootstraps projects to production-ready structure. Use when creating new or transforming existing projects.
Ln 720 Structure Migrator
Scaffolds new or restructures existing projects to Clean Architecture. Use when setting up project structure.
Ln 721 Frontend Restructure
Scaffolds new React projects or restructures monoliths to component-based architecture. Use when setting up frontend structure.
Ln 722 Backend Generator
Generates .NET Clean Architecture backend structure from entity definitions. Use when bootstrapping .NET backend projects.
Ln 723 Seed Data Generator
Generates seed data from ORM schemas or entity definitions to any target format. Use when populating databases for development.
Ln 724 Artifact Cleaner
Removes platform-specific artifacts from Replit, StackBlitz, CodeSandbox, Glitch. Use when preparing exported projects for production.
Ln 740 Quality Setup
Sets up linters, pre-commit hooks, and test infrastructure. Use when adding code quality tooling to a project.
Ln 741 Linter Configurator
Configures ESLint, Prettier, Ruff, mypy, and .NET analyzers. Use when setting up linting and formatting for a project.
Ln 742 Precommit Setup
Configures Husky, lint-staged, commitlint, and Python pre-commit hooks. Use when adding Git hook automation to a project.
Ln 743 Test Infrastructure
Sets up test infrastructure with Vitest, xUnit, and pytest. Use when adding testing frameworks and sample tests to a project.
Ln 770 Crosscutting Setup
Sets up logging, error handling, CORS, health checks, and API docs. Use when adding cross-cutting concerns to backend projects.
Ln 771 Logging Configurator
Configures structured JSON logging with Serilog (.NET) or structlog (Python). Use when adding logging to backend projects.
Ln 772 Error Handler Setup
Configures global exception handling middleware. Use when adding centralized error handling to .NET or Python backends.
Ln 773 Cors Configurator
Configures CORS policy for development and production environments. Use when setting up cross-origin access for APIs.
Ln 775 API Docs Generator
Configures Swagger/OpenAPI documentation for backend APIs. Use when adding interactive API docs to a project.
Ln 781 Build Verifier
Builds all detected projects and verifies successful compilation. Use when checking that a bootstrapped project compiles.
Ln 782 Test Runner
Executes all test suites and reports results with coverage. Use when verifying that test infrastructure works after bootstrap.
Ln 810 Performance Optimizer
Multi-cycle performance optimization with profiling and bottleneck analysis. Use when optimizing application performance.
Ln 811 Performance Profiler
Profiles runtime performance with CPU, memory, and I/O metrics. Use when measuring bottlenecks before optimization.
Ln 812 Optimization Researcher
Researches competitive benchmarks and generates optimization hypotheses for identified bottlenecks. Use after profiling.
Ln 821 npm Upgrader
Upgrades npm/yarn/pnpm dependencies with breaking change handling. Use when updating JavaScript/TypeScript dependencies.
Ln 822 Nuget Upgrader
Upgrades .NET NuGet packages with breaking change handling. Use when updating .NET dependencies.
Ln 823 Pip Upgrader
Upgrades Python pip/poetry/pipenv dependencies with breaking change handling. Use when updating Python dependencies.
Ln 830 Code Modernization Coordinator
Modernizes codebase via OSS replacement and bundle optimization. Use when acting on audit findings to reduce custom code.
Ln 831 Oss Replacer
Replaces custom modules with OSS packages using atomic keep/discard testing. Use when migrating custom code to established libraries.
Ln 840 Benchmark Compare
Use when benchmarking hex-line MCP against Claude built-in tools with scenario manifests, activation checks, and diff-based correctness.
Looking Up Docs
Look up library documentation using Context7. Use when needing API reference, library docs, framework documentation, or technical documentation lookup. Provides up-to-date, version-specific docs and code examples.
Loom
Designing a project's operating layer — the blueprint of which project-local skills, repo-tailored recipes (task playbooks), and skill-and-agent orchestration workflows a repository needs, designed together as a coherent system. Analyzes the repo, designs the layer, then delegates skill-body authoring to Sigil and runtime routing to Nexus. Use when a repository needs a coordinated set of project agents, recipes, and orchestration workflows designed together. Don't use for authoring a single skill body (Sigil), runtime request orchestration (Nexus), autonomous loop runners (Orbit), application or business-process workflows and code-level state machines (Weave), or ecosystem-wide global agents (Architect).
Lsp Setup
Enable code intelligence (go-to-definition, find-references, hover, type info) for any programming language by installing and configuring an LSP server for Copilot CLI. Detects the OS, installs the right server, and generates the JSON configuration (user-level or repo-level). Use when you need deeper code understanding and no LSP server is configured, or when the user asks to set up, install, or configure an LSP server.
LWC Development
Guidelines and best practices for developing Lightning Web Components (LWC) on Salesforce Platform.
Security & Compliance
Ln 621 Security Boundary Auditor
Checks application security boundaries: secrets, injection, XSS, input validation, and sensitive env defaults. Use when auditing exploitable code paths.
Ln 760 Security Setup
Sets up security scanning for secrets and dependency vulnerabilities. Use when adding security infrastructure to a project.
Ln 761 Secret Scanner
Scans codebase for hardcoded secrets with severity classification and remediation guidance. Use when auditing a project for leaked credentials.
DevOps & Cloud
Ln 730 DevOps Setup
Sets up Docker, CI/CD, and environment configuration with auto-detection. Use when adding DevOps infrastructure to a project.
Ln 731 Docker Generator
Generates Dockerfile and docker-compose configuration for multi-container development. Use when containerizing a project.
Ln 732 Cicd Generator
Generates GitHub Actions CI workflow configuration. Use when adding continuous integration to a project.
Ln 733 Env Configurator
Configures environment variables and secrets protection. Use when setting up .env files and gitignore rules for a project.
Ln 774 Healthcheck Setup
Configures health check endpoints for Kubernetes readiness/liveness/startup probes. Use when deploying to Kubernetes.
Ln 780 Bootstrap Verifier
Verifies bootstrapped projects via build, test, and container health checks. Use when validating project setup completeness.
Ln 783 Container Launcher
Builds and launches Docker containers with health verification. Use when validating that containerized services start correctly.
Log Analysis & Error Triage
Systematically find the root cause of failures, errors, and anomalies in application logs. Structured approach to go from "something is broken" to "here's exactly where and why."
Loki
Guide for implementing Grafana Loki - a horizontally scalable, highly available log aggregation system. Use when configuring Loki deployments, setting up storage backends (S3, Azure Blob, GCS), writing LogQL queries, configuring retention and compaction, deploying via Helm, integrating with OpenTelemetry, or troubleshooting Loki issues on Kubernetes.
Agent Orchestration
Ln 910 Community Engagement
Analyzes community health and delegates engagement tasks. Use when managing GitHub issues, discussions, and announcements.
Local Vco Roles
Codex-local role pack for dialectic multi-agent reviews, designed to be compatible with the local vibe skill.
Business, Marketing & Sales
Ln 911 GitHub Triager
Produces prioritized triage report from open GitHub issues, PRs, and discussions. Use when reviewing community backlog.
Ln 912 Community Announcer
Composes and publishes announcements to GitHub Discussions. Use when sharing releases, updates, or news with the community.
Ln 913 Community Debater
Launches RFC and debate discussions on GitHub. Use when proposing changes that need community input or voting.
Ln 914 Community Responder
Responds to unanswered GitHub discussions and issues with codebase-informed replies. Use when clearing community question backlog.
Localization
When the user wants to localize their App Store listing for international markets. Also use when the user mentions "localization", "translate my app", "international markets", "expand to new countries", "localize metadata", or "which countries should I target". For keyword research in specific markets, see keyword-research. For metadata writing, see metadata-optimization.
Data, AI & Research
Long Context
Extend context windows of transformer models using RoPE, YaRN, ALiBi, and position interpolation techniques. Use when processing long documents (32k-128k+ tokens), extending pre-trained models beyond original context limits, or implementing efficient positional encodings. Covers rotary embeddings, attention biases, interpolation methods, and extrapolation strategies for LLMs.
Lore
Curating cross-agent knowledge and guarding institutional memory. Extracts patterns from agent journals into METAPATTERNS.md, detects knowledge decay, propagates best practices, prevents organizational forgetting. Use when consolidating cross-agent insights, curating memory, or auditing knowledge decay.
LQF_Machine_Learning_Expert_Guide
LQF Machine Learning Expert Guide - Routed skill for ML/Statistical Modeling with Critical Discussion Mode. Triggers on: machine learning, modeling, prediction, training, classification, regression, clustering, deep learning, neural network, model evaluation, feature engineering, hyperparameter tuning, overfitting, underfitting, baseline, ablation study, critique my approach, review my model, is this a good idea, should I use, what's wrong with, evaluate my solution, challenge my assumptions, discuss my approach Engages in critical discussion with minimum 3 rounds of iterative refinement. Challenges both user proposals and own suggestions with fact-based critique. Demands evidence and baselines before accepting solutions.