Risk measurement and stress testing via Longbridge — computes VaR (historical simulation / parametric), CVaR (expected shortfall), max drawdown, Sharpe ratio, Calmar ratio, and…
Use when a shared interface needs consumer, compatibility, error, permission, or migration design before implementation, including REST, GraphQL, CLI, event, module, component,…
Document REST APIs with OpenAPI/Swagger specifications, endpoint references, authentication flows, error handling, and SDK guides.
Improve architecture and interface seams. Use when refactoring module boundaries, reducing coupling, designing APIs or adapters, making code more testable, or turning codemap…
Use when architecture work is about increasing module depth, leverage, locality, test seams, or caller simplicity in tangled or shallow code, not local readability cleanup.
Use when a browser-run UI or client claim needs real runtime observation: visual state, DOM, accessibility tree, console, network, CORS, viewport, screenshot, or browser…
Caching strategies for performance optimization — cache-aside, write-through, write-behind, TTL policies, eviction, and stampede prevention.
Design, repair, or interpret automated quality and deployment gates. Use when CI/CD, test pipelines, lint/type/build checks, preview deploys, branch protection, generated…
Use when changing pipeline or automation behavior itself: CI gates, build/deploy workflows, release automation, preview/staging/prod environments, credentials, artifacts, or…
Run multi-axis implementation review through Loom critique. Use before merge, after feature or bug-fix implementation, when receiving review feedback, when reviewing AI/human…
Use when a code diff, branch, PR, worker output, or implementation-complete ticket needs a code-focused quality review across correctness, tests, architecture, security,…
Use when an unfamiliar code area needs a reusable map of modules, callers, interfaces, data flow, constraints, and related records before safe implementation, review, debugging,…
Concurrency and parallelism patterns for multi-threaded and async code. Use when implementing async/await, parallel processing, thread safety, worker pools, channels, or debugging…
Run reproduce-first debugging. Use when tests fail, builds break, behavior regresses, errors occur, flaky behavior appears, performance drops unexpectedly, root cause is unknown,…
Use when an unexpected or unexplained failure needs diagnosis before fixes: failing tests/builds/CI/runtime/UI behavior, bug reports, regressions, intermittent failures,…
Create technical diagrams using Mermaid syntax for architecture, sequences, ERDs, flowcharts, and state machines.
End-to-end testing for web applications with Playwright, Cypress, Selenium, and Puppeteer. Use for setting up E2E tests, debugging failures, improving reliability, and…
Event-driven architecture patterns including message queues, pub/sub, event sourcing, CQRS, and sagas.
Go language expertise for idiomatic, production-quality code. Use for Go development, concurrency patterns with goroutines and channels, error handling, testing, and module…
Implement changes in small verified slices. Use when a feature, refactor, migration, or bug fix touches multiple files, feels too large to land at once, needs feature flags, or…
Maintain strategic outcome framing. Use when a product, architecture, migration, quality, cleanup, or modernization effort spans tickets, needs success metrics, delegated…
Kubernetes node autoscaling and cost optimization with Karpenter. Use for node provisioning, spot instance management, cluster right-sizing, node consolidation,…
Performance and load testing with k6, locust, JMeter, Gatling, and artillery. Use for load/stress/spike/soak tests, API and database benchmarking, profiling, p95/p99 latency…
Decompose high-level work into ticket-ready execution units and maintain execution strategy. Use when a feature, refactor, migration, architecture change, or multi-step objective…
Python language expertise for idiomatic, production-quality code. Use for web frameworks (FastAPI, Django, Flask), data processing (pandas, numpy), ML patterns (sklearn, pytorch),…
Run Ralph implementation packets. Use for larger feature, refactor, test, migration, or cleanup slices when a Ralph-ready ticket needs fresh context, explicit write scope,…
API rate limiting and quota management. Use when implementing request throttling, API quotas, backpressure handling, or abuse protection.
Full-text search and search engine implementation. Use when implementing search functionality, autocomplete, faceted search, relevance tuning, or working with search indexes like…
Use when implementation should be driven by test-first verification: a focused executable check can fail before the change, pass after it, and provide evidence for a behavior,…
Test strategy guidance — test pyramid design, coverage goals, categorization, flaky test diagnosis, infrastructure architecture, and risk-based prioritization.
Maintain bounded execution and acceptance. Use when adding or changing code, tests, docs, config, refactors, migrations, cleanup, blockers, evidence/review disposition, or any…
TypeScript language expertise for type-safe, production-quality code. Use for advanced type system features (generics, discriminated unions, conditional and mapped types), strict…
Maintain accepted explanation. Use when architecture, workflow, troubleshooting, domain terminology, shared language, reference knowledge, or recurring how-to context should…
やりたいことを1行で言うと、B 型 loop engineering の 7 要素 (context / feedback / verification gate / termination / error handling / state / cost guard) を埋めた loop spec をコピペ可能な形で生成する。生成した spec は現行…
Local teaching assistant for a Loopcraft learner workspace. Use when building the connected issue-progress loop, shaping the local issue checker control surface, choosing the next…
provides expert guidance on lord, a minimalist paas cli tool for deploying docker containers via ssh.
Lorekeeper-specific BLOCKER patterns, severity tiers, and review checklist — used when reviewing any PR touching src/lorekeeper/
Memorize important facts, user instructions, unique discoveries, and interesting knowledge into the Lorekeeper knowledge base.
The Lossless Group's extended-markdown flavor — what LFM is, when to use it, how its directives normalize across syntaxes (CommonMark, GFM, Obsidian callouts, remark-directive,…
Integration skill for Lovable.dev projects. Activates when working with: - Lovable.dev projects with GitHub sync - Supabase Edge Functions that need deployment - Database…
Integração entre projetos Lovable e Supabase, guiando conexão, auth, storage, Edge Functions e segurança (RLS) conforme documentação oficial do Lovable.
PaperBanana-inspired (Retriever→Planner→Stylist→Critic) prompt-only workflow that outputs ONE paste-ready Gemini Web prompt for: (1) a publication-ready methodology diagram, or…
Evaluate architecture and module boundaries for volatility-based decomposition using Juval Lowy's framework (from "Righting Software", building on Parnas 1972).
Control and monitor a Loxone Miniserver (smart home) via HTTP API and real-time WebSocket. Use for querying room/device status (temperatures, lights), watching live events, and…
Core types, transports, and utilities shared by all lspeasy packages. Use when: You are building a browser-based LSP client, a WebSocket-backed language....
Standalone refactor CLI driving any LSP server: project-wide rename, file-move with importer updates, and code actions.
USE FOR: Full-text search indexing and querying, faceted search, autocomplete and suggestion systems, document search with relevance ranking, and applications requiring embedded…
Triage and analyze any LUCI build results (including tests and compile). Supports finding builds by CL, failure listing, and log fetching.
Optimize Lucidchart API integration performance with caching, batch shape operations, and pagination strategies.
Reference Architecture for Lucidchart. Trigger: "lucidchart reference architecture".
Luftrecht und Flughafenrecht: Aircraft Arrest international. Aircraft Arrest international im Fachgebiet Luftrecht und Flughafenrecht als geführten Arbeitsgang mit Fragen,…
Product analyst — metrics architecture, funnel analysis, A/B test design, retention, and growth measurement.
Metrics architecture — produce a complete metrics plan given a product description. North Star, input metrics tree, instrumentation spec, action triggers, and counter-metrics.
Build a page or fill in Lumos for Astro variables from a Figma file, especially a messy one missing global variables.
Create Lunar policy plugins that enforce engineering standards. Use when building policies (Python scripts) that evaluate Component JSON data and produce pass/fail checks.
Use when an LWC needs to read related records across multiple sObjects in one request, paginate a related list with cursors, or replace several overlapping `@wire(getRecord)`…
Call Apex methods imperatively from LWC — on button click, lifecycle hooks, or conditional logic. Covers import syntax, cacheable vs non-cacheable, async/await patterns, error…
Use when designing or reviewing Lightning Web Components for the Salesforce mobile app, mobile device capabilities, or offline-aware behavior.
Set and enforce performance budgets for Lightning Web Components: bundle-size limits per component, LCP/INP field targets, wire-adapter count caps, and CI-gate configuration using…
How LWC reactivity actually works after Spring '20 (API v48+) — every class field is reactive on reassignment, but @track is still required for in-place mutation of plain…