bx-dev-skill

In the author's own words, from each skill's SKILL.md — showing the first 30 of 106 files.

• bx-dev

  Use only when the user invokes $bx-dev or explicitly asks to start/resume an ad-hoc bx-dev development session. Orchestrates Codex subagents for implementation/review on a session branch without an external issue tracker. Do not use for ordinary direct edits.

  skills/bx-dev/SKILL.md on GitHub (opens in a new tab)

• ddd

  Domain-Driven Design reference for AI coding agents. Strategic (bounded contexts, subdomain triage) + tactical (aggregates, value objects, repositories, domain events) patterns. Strangler Fig legacy preservation. Anti-Corruption Layer heuristics. Per-stack caveats (Python/TS/Go/Rust/mobile/data). Classification decision tree for per-Story architectural decisions. Use when Dev agent implements new…

  skills/bx-dev/skill-library/architecture/ddd/SKILL.md on GitHub (opens in a new tab)

• ai-security

  Use when assessing AI/ML systems for prompt injection, jailbreak vulnerabilities, model inversion risk, data poisoning exposure, or agent tool abuse. Covers MITRE ATLAS technique mapping, injection signature detection, and adversarial robustness scoring.

  skills/bx-dev/skill-library/backend/ai-security/SKILL.md on GitHub (opens in a new tab)

• cloud-security

  Use when assessing cloud infrastructure for security misconfigurations, IAM privilege escalation paths, S3 public exposure, open security group rules, or IaC security gaps. Covers AWS, Azure, and GCP posture assessment with MITRE ATT&CK mapping.

  skills/bx-dev/skill-library/backend/cloud-security/SKILL.md on GitHub (opens in a new tab)

• dependency-auditor

  Dependency Auditor

  skills/bx-dev/skill-library/backend/dependency-auditor/SKILL.md on GitHub (opens in a new tab)

• docker-development

  Docker and container development agent skill and plugin for Dockerfile optimization, docker-compose orchestration, multi-stage builds, and container security hardening. Use when: user wants to optimize a Dockerfile, create or improve docker-compose configurations, implement multi-stage builds, audit container security, reduce image size, or follow container best practices. Covers build performanc…

  skills/bx-dev/skill-library/backend/docker-development/SKILL.md on GitHub (opens in a new tab)

• kubernetes-specialist

  Expert Kubernetes specialist mastering container orchestration, cluster management, and cloud-native architectures. Specializes in production-grade deployments, security hardening, and performance optimization with focus on scalability and reliability.

  skills/bx-dev/skill-library/backend/kubernetes-specialist/SKILL.md on GitHub (opens in a new tab)

• mcp-builder

  Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).

  skills/bx-dev/skill-library/backend/mcp-builder/SKILL.md on GitHub (opens in a new tab)

• observability-design

  Monitoring strategies, distributed tracing, SLI/SLO design, and alerting patterns. Use when designing monitoring infrastructure, defining service level objectives, implementing distributed tracing, creating alert rules, building dashboards, or establishing incident response procedures. Covers the three pillars of observability and production readiness.

  skills/bx-dev/skill-library/backend/observability-design/SKILL.md on GitHub (opens in a new tab)

• pci-compliance

  Implement PCI DSS compliance requirements for secure handling of payment card data and payment systems. Use when securing payment processing, achieving PCI compliance, or implementing payment card security measures.

  skills/bx-dev/skill-library/backend/pci-compliance/SKILL.md on GitHub (opens in a new tab)

• performance-profiler

  Performance Profiler

  skills/bx-dev/skill-library/backend/performance-profiler/SKILL.md on GitHub (opens in a new tab)

• runbook-generator

  Runbook Generator

  skills/bx-dev/skill-library/backend/runbook-generator/SKILL.md on GitHub (opens in a new tab)

• secrets-vault-manager

  Use when the user asks to set up secret management infrastructure, integrate HashiCorp Vault, configure cloud secret stores (AWS Secrets Manager, Azure Key Vault, GCP Secret Manager), implement secret rotation, or audit secret access patterns.

  skills/bx-dev/skill-library/backend/secrets-vault-manager/SKILL.md on GitHub (opens in a new tab)

• threat-detection

  Use when hunting for threats in an environment, analyzing IOCs, or detecting behavioral anomalies in telemetry. Covers hypothesis-driven threat hunting, IOC sweep generation, z-score anomaly detection, and MITRE ATT&CK-mapped signal prioritization.

  skills/bx-dev/skill-library/backend/threat-detection/SKILL.md on GitHub (opens in a new tab)

• markitdown

  Convert files and office documents to Markdown. Supports PDF, DOCX, PPTX, XLSX, images (with OCR), audio (with transcription), HTML, CSV, JSON, XML, ZIP, YouTube URLs, EPubs and more.

  skills/bx-dev/skill-library/documents/markitdown/SKILL.md on GitHub (opens in a new tab)

• context-engineering

  Use when the task is to curate or repair agent context: AGENTS.md/rules, handoff prompts, compact/clear recovery, large workstream switching, or diagnosing off-pattern/hallucinated behavior. Prefer bx-init/bx-init-sync for bx template creation/deep codebase doc sync. Skip for small code edits.

  skills/bx-dev/skill-library/engineering/context-engineering/SKILL.md on GitHub (opens in a new tab)

• doubt-driven-development

  Use for high-stakes or uncertain non-trivial decisions where a confident mistake is costly: architecture, production/security/data changes, irreversible operations, cross-module invariants, or unfamiliar code. Run bounded adversarial review. Do not use for routine edits or active bx-plan review loops.

  skills/bx-dev/skill-library/engineering/doubt-driven-development/SKILL.md on GitHub (opens in a new tab)

• systematic-debugging

  Use when there is an observed failure: bug, failing test/build, regression, production issue, flaky behavior, performance problem, or unexpected output. Requires reproduction, evidence, and root cause before fixes. Do not use for planned feature work or routine verification.

  skills/bx-dev/skill-library/engineering/systematic-debugging/SKILL.md on GitHub (opens in a new tab)

• test-driven-development

  Use before changing testable production behavior in direct implementation work: features, bugfixes, refactors, or regression guards. Enforces red-green-refactor. Do not use for docs/config/generated/prototype work, or for bx-run/bx-dev Lead orchestration where worker contracts already define testing.

  skills/bx-dev/skill-library/engineering/test-driven-development/SKILL.md on GitHub (opens in a new tab)

• verification-before-completion

  Use as the final gate before saying work is complete/fixed/passing, before commit/PR, or before a handoff. Requires fresh evidence from tests/build/lint/smoke or an explicit unverified-risk note. Do not use at task start or as a substitute for debugging.

  skills/bx-dev/skill-library/engineering/verification-before-completion/SKILL.md on GitHub (opens in a new tab)

• writing-plans

  Use when requirements/spec/design are already clear and the user wants a detailed implementation plan, not code yet. Produces file-by-file, testable, bite-sized tasks. Prefer bx-plan for full critic-reviewed planning; prefer brainstorming for unclear ideas; skip for quick edits.

  skills/bx-dev/skill-library/engineering/writing-plans/SKILL.md on GitHub (opens in a new tab)

• accessibility-design

  WCAG 2.1 AA compliance patterns, screen reader compatibility, keyboard navigation, and ARIA best practices. Use when implementing accessible interfaces, reviewing UI components, or auditing accessibility compliance. Covers semantic HTML, focus management, color contrast, and assistive technology testing.

  skills/bx-dev/skill-library/frontend/accessibility-design/SKILL.md on GitHub (opens in a new tab)

• discover-frontend

  Self-contained router for bundled frontend skills. Use when working with frontend web or mobile UI tasks and choose the appropriate skill under skill-library/frontend without relying on external skill roots.

  skills/bx-dev/skill-library/frontend/discover-frontend/SKILL.md on GitHub (opens in a new tab)

• frontend-design

  Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples include websites, landing pages, dashboards, React components, HTML/CSS layouts, or when styling/beautifying any web UI). Generates creative, polished code and UI design that avoids generic AI aesthetics.

  skills/bx-dev/skill-library/frontend/frontend-design/SKILL.md on GitHub (opens in a new tab)

• native-data-fetching

  Use when implementing or debugging ANY network request, API call, or data fetching. Covers fetch API, axios, React Query, SWR, error handling, caching strategies, offline support.

  skills/bx-dev/skill-library/frontend/native-data-fetching/SKILL.md on GitHub (opens in a new tab)

• react-view-transitions

  Guide for implementing smooth, native-feeling animations using React's View Transition API (`<ViewTransition>` component, `addTransitionType`, and CSS view transition pseudo-elements). Use this skill whenever the user wants to add page transitions, animate route changes, create shared element animations, animate enter/exit of components, animate list reorder, implement directional (forward/back)…

  skills/bx-dev/skill-library/frontend/react-view-transitions/SKILL.md on GitHub (opens in a new tab)

• remotion-best-practices

  Best practices for Remotion - Video creation in React

  skills/bx-dev/skill-library/frontend/remotion-best-practices/SKILL.md on GitHub (opens in a new tab)

• tailwind-design-system

  Build scalable design systems with Tailwind CSS v4, design tokens, component libraries, and responsive patterns. Use when creating component libraries, implementing design systems, or standardizing UI patterns.

  skills/bx-dev/skill-library/frontend/tailwind-design-system/SKILL.md on GitHub (opens in a new tab)

• theme-factory

  Toolkit for styling artifacts with a theme. These artifacts can be slides, docs, reportings, HTML landing pages, etc. There are 10 pre-set themes with colors/fonts that you can apply to any artifact that has been creating, or can generate a new theme on-the-fly.

  skills/bx-dev/skill-library/frontend/theme-factory/SKILL.md on GitHub (opens in a new tab)

• ui-ux-pro-max

  UI/UX design intelligence. 67 styles, 96 palettes, 57 font pairings, 25 charts, 13 stacks (React, Next.js, Vue, Svelte, SwiftUI, React Native, Flutter, Tailwind, shadcn/ui). Actions: plan, build, create, design, implement, review, fix, improve, optimize, enhance, refactor, check UI/UX code. Projects: website, landing page, dashboard, admin panel, e-commerce, SaaS, portfolio, blog, mobile app, .ht…

  skills/bx-dev/skill-library/frontend/ui-ux-pro-max/SKILL.md on GitHub (opens in a new tab)

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