Enforce pristine interrupt/syscall paths with no logging, diagnostics, or heavy operations. Use when developing interrupt handlers, syscall entry/exit, context switches, or timer code.

Full access to Brevo (email marketing, newsletters) using curl and the Brevo REST API directly - no MCP server or additional dependencies required.

Brief-specific design system, typography, colors, and component patterns

Brief-specific code patterns and conventions

Generate a session briefing from development memory (events.jsonl, sessions.jsonl). Shows recent timeline, open questions, and suggested focus areas.

8-mode brightness system implementation with CSS custom properties. Use when implementing theme switching, color tokens, or fixing brightness-related issues.

Reference documentation for Broadcast API (sendbroadcast.net) integration. Use when working with the Broadcast email provider, creating/updating broadcasts, managing subscribers, or debugging API issues.

Alpaca broker limitations: crypto shorts blocked (broker doesn't support), stock shorts allowed. Trigger when: (1) shorting gate blocks wrong assets, (2) SELL signals blocked, (3) order type confusion.

Use this skill when creating, modifying, or reviewing API endpoints and routes. This includes SDK routes (/v1/*), Dashboard routes (/api/v1/*), request/response structures, input validation, OpenAPI documentation, or API-related middleware.

Use this skill when working with Brokle's domain-driven architecture, including creating new domains, modifying domain entities, designing cross-domain interactions, refactoring domain boundaries, or implementing complex domain logic. This is a specialized architectural skill.

Use this skill when implementing, reviewing, or debugging error handling in the Brokle codebase. This includes repository error mapping, service layer AppError constructors, handler response mapping, domain alias imports, or understanding the industrial error handling flow.

Use this skill when creating, running, or managing database migrations for PostgreSQL or ClickHouse. This includes creating new migrations, running migrations, checking migration status, rollback operations, seeding data, or troubleshooting migration issues.

Use this skill when writing, reviewing, or improving tests for the Brokle platform. This includes creating service tests, domain tests, integration tests, or understanding what to test versus what to skip based on the pragmatic testing philosophy.

Analyzes existing brownfield projects to map documentation to SpecWeave's structure (PRD/HLD/Spec/Runbook). Use when migrating existing projects to SpecWeave, scanning legacy docs, or creating project context maps. Detects external tools (JIRA, ADO, GitHub) and supports incremental or comprehensive migration paths.

Intelligently onboards brownfield projects by merging existing CLAUDE.md backups into SpecWeave structure. Use when installing SpecWeave into existing projects with CLAUDE.md, merging documentation, or importing project knowledge. Distributes content to appropriate folders without bloating main CLAUDE.md.

Minimal Chrome DevTools Protocol tools for browser automation and scraping. Use when you need to start Chrome, navigate pages, execute JavaScript, take screenshots, or interactively pick DOM elements.

Use when debugging web applications or automating browser tasks. Leverage Chrome DevTools MCP for inspection, performance analysis, and automated testing.

Persistent browser automation via Playwright daemon. Keep a browser window open and send it commands (navigate, execute JS, inspect console). Perfect for interactive debugging, development, and testing web applications. Use when you need to interact with a browser repeatedly without opening/closing it.

Systematically tests UI functionality, validates design fidelity with AI visual analysis, monitors console output, tracks network requests, and provides debugging reports using Chrome DevTools MCP. Use after implementing UI features, for design validation, when investigating console errors, for regression testing, or when user mentions testing, browser bugs, console errors, or UI verification.

This skill should be used when working with browser-rendered artifacts (i.e. Bun, React/React Native) to proactively validate that development work on localhost is being built appropriately and to support debugging browser-rendered content. Use this skill after making frontend changes to verify the output visually.

Integrating Chrome DevTools and browser automation via MCP for live UI inspection, screenshot-to-code workflows, and visual debugging. Bridges the gap between design and implementation.

Browser debugging and automation using Playwright. Use for web debugging, console monitoring, network analysis, screenshot capture, DOM inspection, and UI testing during development.

Chrome Manifest v3 extension development for Vigil Guard v2.0.0. Use for plugin development, content scripts, service workers, webhook integration with 3-branch detection, browser fingerprinting, and extension debugging.

Master specialized skill for building 2025/2026-grade browser extensions. Deep expertise in Manifest v3, Service Worker persistence (Alarms, Offscreen API), Side Panel API, and Cross-Browser compatibility.

Search local browser history. Use when user asks about visited pages, forgotten URLs, or time spent on sites.

browser-recording

This skill should be used when users need to capture screenshots of web pages. It supports full-page screenshots, viewport-specific captures, responsive screenshots across multiple device sizes, and element-specific screenshots. Use this skill for visual testing, documentation, design reviews, or any task requiring automated browser screenshots.

Browser automation for testing IntelliFill. Replaces puppeteer MCP to save ~4.8k tokens.

This skill should be used when performing browser-based exploratory testing of web applications, including functional testing, visual inspection, accessibility checks, and performance analysis. Triggers when testing web UIs, checking for browser bugs, validating WCAG compliance, or measuring Core Web Vitals.

Use when testing web applications with visual verification - automates Chrome browser interactions, element selection, and screenshot capture for confirming UI functionality

Interactive browser automation via Chrome DevTools Protocol. Use when you need to interact with web pages, test frontends, or when user interaction with a visible browser is required.

Browser automation using Playwright MCP. Navigate websites, fill forms, click elements, take screenshots, and extract data. Use when tasks require web browsing, form submission, web scraping, UI testing, or any browser interaction.

Cloud browser infrastructure for AI agents - create sessions, persist contexts, and automate browsers

Real-time browser debugging and interaction via WebSocket bridge server on localhost:3141

Defines target browser versions for CSS autoprefixing and JavaScript transpilation. Generates .browserslistrc configuration file.

browsing-with-playwright

As a REST API expert, when creating Bruno endpoints, follow these proven patterns for professional API testing and documentation:

This skill should be used when extracting structured data from scientific PDFs for systematic reviews, meta-analyses, or database creation. Use when working with collections of research papers that need to be converted into analyzable datasets with validation metrics.

Generate phylogenies from genome assemblies using BUSCO/compleasm-based single-copy orthologs with scheduler-aware workflow generation

Skriptoteket-specific brutalist/academic UI design for the Vue 3 + Vite SPA. Uses Tailwind v4 utilities mapped to HuleEdu tokens and SPA primitives.

Guidelines for contributing to brynhild itself - use when making changes to the brynhild codebase, running tests, or understanding project conventions

BackToBack/ByTheBooks (BTB) - An in-repo collaboration pattern for Human-AI engineering teams. Use this skill when working in repositories with a SPECS/ directory containing README.md, PROGRESS.md, and design documents. BTB emphasizes documentation-driven development, mandatory progress tracking before commits, and a feedback loop between design → MVP → implementation.

使用自定义动能理论分析 BTC 市场，多时间级别嵌套分析（2日线/1日/12h/6h/4h/2h/1h/30min），识别上涨线段、下跌线段、分立调控、单位调整周期、连续跳空背离、黄白线背离，生成包含详细属性判断的动能报告和交易信号。当用户询问 BTC 动能、线段状态、MACD 分析、周期判断、背离检测时自动激活。

Critical Bitcoin terminology rules to prevent confusion between bech32m (encoding) and taproot (address type). Use when working on BTC-related code, config files, or shell scripts.

Use btca (Better Context App) to efficiently query and learn from the bknd backend framework. Use when working with bknd for (1) Understanding data module and schema definitions, (2) Implementing authentication and authorization, (3) Setting up media file handling, (4) Configuring adapters (Node, Cloudflare, etc.), (5) Learning from bknd source code and examples, (6) Debugging bknd-specific issues

This skill generates interactive Chart.js bubble chart visualizations for priority matrices and multi-dimensional data analysis. Use this skill when users need to create scatter plots with variable bubble sizes, particularly for 2x2 priority matrices (Impact vs Effort, Risk vs Value, etc.), portfolio analysis, or any visualization comparing items across two dimensions with a third dimension represented by size. The skill creates a complete MicroSim package with HTML, CSS, and documentation.

Build terminal user interfaces with Go and Bubbletea framework. Use for creating TUI apps with the Elm architecture, dual-pane layouts, accordion modes, mouse/keyboard handling, Lipgloss styling, and reusable components. Includes production-ready templates, effects library, and battle-tested layout patterns from real projects.

Debugs Buck2 build failures systematically by analyzing error logs, checking common issues (cache, visibility, cycles), and suggesting fixes. Use when builds fail, tests won't run, or Buck2 reports errors.

Create Buck2 tests with local resources (processes, services, databases) using LocalResourceInfo and ExternalRunnerTestInfo. Use when tests need external dependencies like databases, HTTP servers, message queues, or Unix sockets that Buck2 should manage automatically. (project)