Implement Syncfusion Blazor Block Editor for modular, block-based rich content creation. ALWAYS use when building structured document editors with customizable blocks like headings, paragraphs, lists, and media. Immediately configure menus, drag-drop, undo/redo, paste cleanup, and events.

Daily digest of 3-7 genuinely surprising items from newsletters and Telegram channels. Scores content for epistemic friction, not just relevance. Appends to daily note. Use when the user says "/wow-digest", "run the wow digest", "what's surprising today", "morning reading", or "digest my newsletters".

Extract structured JSON from URLs, files, videos, PDFs with entity extraction and batch support. USE WHEN parse, extract, URL, transcript, entities, JSON, batch, content, YouTube, PDF, article, newsletter, Twitter, browser extension, collision detection, detect content type, extract article, extract newsletter, extract YouTube, extract PDF, parse content.

Create and manipulate Word DOCX files programmatically. Use when the user needs to generate documents, modify DOCX templates, extract document content, or automate Word document workflows. Supports both template-based generation (for branding compliance) and from-scratch creation. Keywords: Word, DOCX, document, report, template, contract, letter, corporate, branding.

Diagnose genre problems and generate genre-specific elements. Use when genre promise is unclear, when elements feel misplaced, when secondary genres compete with primary, or when you need genre-specific entropy. Covers all 11 elemental genres from the Writing Excuses framework.

Use when optimizing Go code, investigating slow performance, or writing performance-critical sections. Also use when a user mentions slow Go code, string concatenation in loops, or asks about benchmarking, even if the user doesn't explicitly mention performance patterns. Does not cover concurrent performance patterns (see go-concurrency).

Neo4j Python Driver v6 — driver lifecycle, execute_query, managed and explicit transactions, async (AsyncGraphDatabase), result handling, data type mapping, error handling, UNWIND batching, connection pool tuning, and causal consistency. Use when writing Python code that connects to Neo4j via GraphDatabase.driver, execute_query, execute_read, execute_write, AsyncGraphDatabase, neo4j.Result, or RoutingControl. Package name is `neo4j` (not neo4j-driver) since v6. Python >=3.10 required. Does NOT handle Cypher query authoring — use neo4j-cypher-skill. Does NOT cover driver upgrades or breaking changes — use neo4j-migration-skill. Does NOT cover GraphRAG pipelines (neo4j-graphrag package) — use neo4j-graphrag-skill.

Create and manipulate PDF files programmatically. Use when the user needs to generate PDFs, fill PDF forms, extract PDF content, add watermarks/overlays, or merge documents. Supports both template-based generation (form filling, overlays) and from-scratch creation. Keywords: PDF, document, form, fillable, merge, watermark, extract, text, report.

Use this skill when the user asks to write, draft, create, or improve a PR description, is about to create a PR, or mentions "PR description", "pull request description", or "PR template" — AND that PR targets trunk in the Shopware core repository (shopware/shopware). The skill detects the target and only activates for trunk-targeting PRs; for PRs targeting a feature branch, use feature-branch-pr-writing instead. Do NOT activate mid-implementation — only when the user is ready to describe finished changes. Produces a conventional-commit title and a description following Shopware's 5-section template, leveraging the full branch diff against trunk and session context.

Master PRD templates including problem statements, success metrics, requirements, user stories, and technical considerations. Use when writing PRDs, documenting features, defining requirements, communicating product decisions, or creating feature specifications. Covers PRD structure, writing best practices, and templates from Amazon, Google, and high-performing PM teams.

Creates formal academic research papers following IEEE/ACM formatting standards with proper structure, citations, and scholarly writing style. Use when the user asks to write a research paper, academic paper, or conference paper on any topic.

Generates structured literature survey reports from collected papers using a multi-stage pipeline: outline generation (query-type adaptive) → draft survey → section-by-section expansion → summary section refinement → final assembly. Produces survey-grade output with taxonomy-based method analysis, LaTeX formalizations, comparative tables, and dense citations. Use when: user wants a literature review, research survey, field overview, or systematic synthesis of multiple papers. Do NOT use for finding/searching papers (use paper-navigator), generating research ideas (use research-ideation), or writing a paper's Related Work section (use paper-writing).

Use this skill to import a High-Level Requirements Document (HLRD), PRD, product brief, or requirements markdown/text document into the SPECLAN directory structure. Triggers when the user asks to "import this PRD", "turn this requirements doc into specs", "bootstrap specs from my document", "hlrd import", "ingest this requirements document", "scaffold speclan from this doc", or invokes `/speclan-engineering:hlrd`. Owns the full multi-phase pipeline that extracts a project Vision and Mission, plans Goals and Features, creates or modifies them, generates testable Requirements, and cross-references everything — all driven by interactive AskUserQuestion prompts for ambiguities and decisions. Use this skill whenever a user wants to convert prose requirements into structured SPECLAN specs, even if they don't explicitly say "HLRD".

Write PRD — Product Requirements Documents with structured 8-section templates, user stories, acceptance criteria, and value proposition validation. Use when writing PRDs, defining product requirements, creating user stories with INVEST criteria, or building go/no-go decision frameworks.

Systematically validate your business hypotheses before building anything. Master Steve Blank's Customer Development methodology that became the foundation of Lean Startup and YC's approach. Use when: **Starting a new venture** to avoid building something nobody wants; **Before writing a line of code** to validate problem-solution fit; **Pivoting decisions** to systematically test new directions; **Early-stage fundraising** to prove market validation; **Product roadmap planning** to prioritiz...

Lints, tests, simulates, and formats Fastly VCL code using the falco tool. Also serves as the authoritative VCL reference via the falco Go source, which implements Fastly's full VCL dialect. Use when validating VCL syntax, running VCL linting, testing VCL locally, simulating VCL request handling, formatting VCL files, writing VCL unit tests with assertions, debugging VCL logic errors, looking up VCL function signatures or variable scopes, understanding VCL subroutine behavior, or running `falco lint`/`falco simulate`/`falco test`/`falco fmt`. Also applies when working with VCL syntax errors, type mismatches in VCL, choosing which VCL subroutine to use, or setting up a local VCL development and testing environment.

Use this skill when the user asks to write, draft, create, or improve a PR description for a Shopware core repository PR — AND that PR targets a non-trunk feature branch (not trunk itself). Trigger phrases like "write a PR description", "draft the PR", "what should I put in the PR body". The skill detects the target branch and only activates for non-trunk targets; for trunk-targeting PRs, use pr-description-writing instead. Do NOT activate mid-implementation — only when the user is ready to describe finished changes. Produces a conventional-commit title and a narrative-prose description with topical subsections, leveraging the diff against the target branch and any related PRs in the chain.

Use this skill when the user asks to 'generate a docx', 'create the Word file', 'export to docx', 'apply the law review template', 'build the document', 'make a Word version', or wants to convert their law review markdown drafts into a formatted .docx file.

Creates and reviews Austrian Impressum and disclosure content for websites, including ECG, UGB, GewO, MedienG, Offenlegung, and company-form-specific templates. Use when the user mentions Impressum, legal notice, imprint, Austria, Oesterreich, Mediengesetz, Offenlegung, or website operator disclosure.

Checks document semantic content against SCOPE and project goals, coverage gaps, off-topic content, SSOT. Use when auditing documentation relevance.

Manage mdbase collections — folders of markdown files with YAML frontmatter treated as typed, queryable data. Use when working in a project that contains an mdbase.yaml file, or when the user asks to initialize, create, query, or validate an mdbase collection.

Convert markdown documents to EPUB publication format. Transforms structured markdown into professionally formatted e-books.

Provides comprehensive testing patterns for Spring Boot applications covering unit, integration, slice, and container-based testing with JUnit 5, Mockito, Testcontainers, and performance optimization. Use when writing tests, @Test methods, @MockBean mocks, or implementing test suites for Spring Boot applications.

Implement interactive 3D circular charts in Angular applications using Syncfusion. Covers pie and donut chart creation, data binding, data labels with positioning and templates, empty points handling, tooltips with custom formatting, legend configuration, titles and subtitles, and print/export functionality (PNG, SVG, PDF). Use this skill when creating 3D circular visualizations for data representation, comparison, and interactive user engagement.

Use when creating new skills, editing existing skills, or verifying skills work before deployment - applies TDD to process documentation by testing with subagents before writing, iterating until bulletproof against rationalization

Build and debug encrypted Solana applications with Arcium — data stays private during computation, no single party sees it. Use when writing Arcis circuits (#[encrypted], #[instruction]), wiring Anchor programs with init/queue_computation/callback flows, choosing Shared vs Mxe encrypted state, encrypting inputs with @arcium-hq/client (RescueCipher, x25519), or debugging ArgBuilder ordering, nonce, callback, or computation finalization failures. Covers dark pools, sealed-bid auctions, encrypted voting, hidden game state, confidential DeFi, secure randomness, and threshold signing. Also use for getting started with your first Arcium app.

Formats plain text or markdown files with frontmatter, titles, summaries, headings, bold, lists, and code blocks. Use when user asks to "format markdown", "beautify article", "add formatting", or improve article layout. Outputs to {filename}-formatted.md.

Formats plain text or markdown files with frontmatter, titles, summaries, headings, bold, lists, and code blocks. Use when user asks to "format markdown", "beautify article", "add formatting", or improve article layout. Outputs to {filename}-formatted.md.

Formats plain text or markdown files with frontmatter, titles, summaries, headings, bold, lists, and code blocks. Use when user asks to "format markdown", "beautify article", "add formatting", or improve article layout. Outputs to {filename}-formatted.md.

Formats plain text or markdown files with frontmatter, titles, summaries, headings, bold, lists, and code blocks. Use when user asks to "format markdown", "beautify article", "add formatting", or improve article layout. Outputs to {filename}-formatted.md.

Content OS orchestrator - the master skill that produces ALL content types from one seed idea (forward mode) or splits long-form content into short-form pieces (backward mode). Invokes research, writing, quality review, and visual generation skills in a coordinated pipeline. Long-form content goes through full quality gates; short-form gets quick accuracy pass.

Use when writing or improving README files. Not all READMEs are the same — provides templates and guidance matched to your audience and project type.

Use when writing or improving README files. Not all READMEs are the same — provides templates and guidance matched to your audience and project type.

Apply Grey Haven database conventions - snake_case fields, multi-tenant with tenant_id and RLS, proper indexing, migrations for Drizzle (TypeScript) and SQLModel (Python). Use when designing schemas, writing database code, creating migrations, setting up RLS policies, or when user mentions 'database', 'schema', 'Drizzle', 'SQLModel', 'migration', 'RLS', 'tenant_id', 'snake_case', 'indexes', or 'foreign keys'.

Expert blueprint for scene loading, transitions, async (background) loading, instance management, and caching. Covers fade transitions, loading screens, dynamic spawning, and scene persistence. Use when implementing level changes OR dynamic content loading. Keywords scene, loading, transition, async, ResourceLoader, change_scene, preload, PackedScene, fade.

Look up bibliographic records and digitized volumes in HathiTrust's 17M+ volume collection by ISBN, OCLC, LCCN, ISSN, or HathiTrust ID. Use this skill whenever the user wants to check if a book has been digitized, find which libraries hold a copy, get MARC metadata for a known identifier, or link a bibliographic reference to its HathiTrust digital version. Also triggers when cross-referencing identifiers from other library catalogs (Harvard, Library of Congress) against HathiTrust holdings.

Manage template overrides for customizing Kata output formats. List available templates, copy defaults for local editing, edit overrides, validate template schemas. Triggers include "customize template", "override template", "edit template", "template overrides", "list templates", "show templates", "template customization", "manage templates", "what templates can I customize", "template schema", "custonmize Kata", "custom config".

Use this skill when the user is completing features, deprecations, or breaking changes in the Shopware core repository that affect external developers, or when they ask to write release info, upgrade entries, release notes, release documentation, or changelog entries — phrases like "write a release info entry for my changes", "add an upgrade note", "what goes in RELEASE_INFO", "draft an UPGRADE.md entry". Drafts entries for RELEASE_INFO-6.*.md and UPGRADE-6.*.md based on the full branch diff against trunk, calibrated to the magnitude of change. Do NOT activate mid-implementation, for internal refactoring, non-critical bug fixes, or test-only changes — those do not get release entries.

Comprehensive research, analysis, and content extraction workflow for web and content research tasks.

Guide for implementing Angular Accordion components for collapsible content panels, expandable sections, FAQs, multi-step wizards, step-by-step forms, navigation menus, or tabbed navigation. Use this skill when users mention expanding/collapsing content, accordion layouts, step-by-step workflows, or hierarchical content organization. This skill covers initialization, expand modes, data binding, dynamic loading, animations, nested accordions, and real-world patterns.

Publish viral X (Twitter) Articles with AI. Long-form content that gets engagement. Proven hook patterns, browser automation. Works with Claude, Cursor, OpenClaw.

Use this skill when Zotero is the literature source of truth and the project KB should receive source notes under Sources/Papers plus project-linked synthesis in Knowledge and Writing.

Use when creating or editing a README.md file in any project or package. Recursively parses codebase from README location, suggests changes based on missing or changed functionality, and generates thorough, human-sounding documentation with copy-pasteable code blocks and practical examples.

Semantic topic cluster planning and automated execution engine for claude-blog. Performs SERP-based keyword research, groups keywords by search intent and SERP overlap, builds a hub-and-spoke cluster architecture, generates an interactive SVG cluster map, and executes the full cluster by orchestrating blog-write calls with shared cluster context and automatic internal-link injection. Fills the strategy-to-execution gap: blog-strategy plans the blueprint, blog-cluster builds the house. Use when user says "blog cluster", "topic cluster", "content cluster", "cluster plan", "cluster execute", "pillar content", "hub and spoke", "content ecosystem", "cluster map".

This skill should be used when the user asks to “cite a case”, “format a citation”, “check Bluebook format”, “cite a statute”, “use id. or supra”, “format footnotes”, “cite a law review article”, or needs Bluebook 21st Edition citation guidance.

Ranked content search over any text corpus using BM25 (via xhluca/bm25s). Corpus-agnostic: works on cloned repos, project knowledge stores, uploaded files/archives, and any local directory. Stateless — builds an in-memory index each invocation, no cache, no persistence. Use when you need ranked multi-word content search beyond grep, or when picking the "most relevant files for these terms" across a corpus. Triggers on "rank these documents", "search this corpus", "find content about X", "which files are most about Y", or multi-word concept queries against a known body of text.

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GNU Make automation and build system guidance. Use when creating or maintaining Makefiles, writing Make targets and recipes, or configuring GNU Make build automation. Keywords: Makefile, GNU Make, targets, recipes, build automation.

Non-custodial perpetual DEX on Arbitrum. Use when user says buy, sell, trade, long, short, open position, close position, flip trade, set leverage, deposit USDC, withdraw funds, check balance, view positions, cancel order, copy a thesis, publish trade on-chain, check leaderboard, top traders, Rep Score, market intel, crypto news, funding rate, thesis, analyst feed, who's winning on Nexus.

Microscopy data management platform. Access images via Python, retrieve datasets, analyze pixels, manage ROIs/annotations, batch processing, for high-content screening and microscopy workflows.

Professional PDF generation from markdown using Pandoc with Eisvogel template and EB Garamond fonts. Use when converting markdown to PDF, creating white papers, research documents, marketing materials, or technical documentation. Supports both English and Russian documents with professional typography and color-coded themes. Mobile-optimized layout (6x9) by default for Telegram bot context, desktop/print layout (A4) for other contexts.

Automatically review an academic paper using the NeurIPS review form with three reviewer personas, ensemble scoring, and reflection refinement. Extracts text from PDF, runs structured review, and outputs actionable feedback. Use when the user wants to review a paper before submission or get feedback on a draft.

Evaluate representation and flag potential harm concerns. Use when writing characters from marginalized groups, depicting sensitive subject matter, or wanting to check for stereotypes and harmful tropes.

Expert guidance for Swift Testing: test structure, #expect/#require macros, traits and tags, parameterized tests, test plans, parallel execution, async waiting patterns, and XCTest migration. Use when writing new Swift tests, modernizing XCTest suites, debugging flaky tests, or improving test quality and maintainability in Apple-platform or Swift server projects.

Provides Mermaid diagram syntax, best practices, and styling rules for technical visualizations. Use when creating diagrams, flowcharts, sequence diagrams, class diagrams, state diagrams, ER diagrams, architecture diagrams, C4 diagrams, visualizations, or any visual documentation in markdown. Always use this skill when generating or updating Mermaid code blocks.

Technical documentation writing and diagram generation. Use when creating docs, syncing documentation with code changes, building Mermaid diagrams, running doc coverage audits, or establishing writing style guides. Use for doc-as-code workflows, ERD generation, sequence diagrams, documentation gap analysis, and AI-assisted drafting.

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Vitest 4+ testing with Vite. Use when configuring vitest.config.ts, writing unit/integration/browser tests, implementing mocks with vi.fn/vi.spyOn/vi.mock, setting up V8 or Istanbul coverage, or migrating from Jest or older Vitest workspace setups. Triggers on vitest, vitest.config.ts, vi.mock, browser mode, vitest/browser, projects, setupFiles, and toMatchScreenshot.

Use when creating new skills, editing existing skills, or verifying skills work before deployment

Generates Angular 17+ standalone components, configures advanced routing with lazy loading and guards, implements NgRx state management, applies RxJS patterns, and optimizes bundle performance. Use when building Angular 17+ applications with standalone components or signals, setting up NgRx stores, establishing RxJS reactive patterns, performance tuning, or writing Angular tests for enterprise apps.

Use when accepting ANY real-world payment — Apple Pay, Wallet passes, Tap to Pay, Orders in Wallet. NOT in-app purchase / digital content (use axiom-integration). Covers entitlements, certs, signing, App Review payment rules.

Fetch any URL and convert to markdown using Chrome CDP. Supports two modes - auto-capture on page load, or wait for user signal (for pages requiring login). Use when user wants to save a webpage as markdown.

Fetch any URL and convert to markdown using Chrome CDP. Supports two modes - auto-capture on page load, or wait for user signal (for pages requiring login). Use when user wants to save a webpage as markdown.

Fetch any URL and convert to markdown using Chrome CDP. Supports two modes - auto-capture on page load, or wait for user signal (for pages requiring login). Use when user wants to save a webpage as markdown.

Review requirements or plan documents using parallel persona agents that surface role-specific issues. Use when a requirements document or plan document exists and the user wants to improve it.

End-to-end testing with Playwright for web applications. Use when writing E2E tests, browser automation, form submission testing, or user flow testing. Triggers on "playwright", "e2e test", "browser test", "end-to-end", "form flow testing", or test files in tests/e2e/.

GCSE English Literature tutor and revision assistant for 15–16 year old students preparing for 2026 exams across AQA, Edexcel, OCR, and Eduqas boards. Use when a student asks for help with set texts (Macbeth, An Inspector Calls, Jekyll and Hyde, poetry anthology), analysing writer's methods, writing literature essays, comparing poems, revising for GCSE English Literature, practising past paper questions, or understanding themes and characters.

This skill should be used ONLY when the user asks to update or initialize README.md, CLAUDE.md, or AGENTS.md. Trigger phrases include "update README", "init README", "update context files", "update CLAUDE.md/AGENTS.md". Do NOT activate for any other Markdown file updates.

Mermaid diagram syntax for flowcharts, sequence diagrams, ERDs, class diagrams, and more. Use when creating diagrams in markdown, generating architecture visuals, or documenting system flows. Use for mermaid, diagram, flowchart, sequence, ERD, class-diagram, gantt, pie-chart, mindmap.

Use when asked to analyze content for manipulation, propaganda, disinformation patterns, or when user provides a URL or text asking "is this manipulative?", "analyze this for bias", "check for propaganda", or similar requests. Detects emotional manipulation, suspicious timing, uniform messaging, tribal division, and missing information across 20 categories.

Orchestrate the full paper pipeline end-to-end. Manage state propagation between phases (literature → plan → code → experiments → figures → tables → writing → review), support checkpointing and resumption. Use for assembling a complete paper from components.

Curate and present creative/technical work for maximum impact. Structure case studies, craft project narratives, optimize for different audiences (hiring managers, clients, collaborators). Supports portfolio websites, PDF decks, and presentation formats. Triggers on portfolio review, case study writing, project showcase, or work presentation requests.

Use Syncfusion EJ2 Angular Barcode/QR components to generate and customize barcodes in Angular. Trigger for Code39/Code128, EAN/UPC, QR Code, Data Matrix, label printing, inventory/product tags, colors/sizing/text, logo overlays, rendering, and export (PNG/SVG/PDF).

Rédaction d'assignations en référé devant le tribunal de commerce ou des activités économiques pour le droit de communication d'un associé. Utiliser ce skill quand l'utilisateur demande de rédiger, préparer ou créer une assignation en référé fondée sur l'article L. 238-1 du code de commerce pour obtenir la communication forcée de documents sociaux (comptes annuels, rapports de gestion, PV d'assemblées, etc.) lorsqu'un dirigeant refuse ou fait obstruction à la communication de ces documents à un associé.

APL query language reference for Axiom. Provides operators, functions, patterns, and CLI usage. Auto-invoked by specialized Axiom skills when writing or debugging APL queries.

Banthis extends project memory with hard user prohibitions by writing a managed AGENTS.md/CLAUDE.md section and preserving all surrounding content. Use when the user says "stop doing X", "never do that again", "ban this", "remember not to", or "add a project rule".

Write and revise publish-ready Chinese (WeChat) and English (Medium) articles or factual technical notes in configurable author styles. Use when the user provides ideas, rough notes, or sample articles and asks Codex to match an existing style profile or create a new profile for any author, then iterate drafts until final.

Conducts deep research on a topic with web search, extended thinking, and structured documentation. Use when the user asks to research a topic, investigate a technology, compare approaches, or gather information for a decision. Produces organized markdown files with findings, visual diagrams, and actionable insights in _claude/research/.

Retrieves a Jira ticket or a GitHub issue into docs/<KEY>.md as a read-only, validated Markdown snapshot for downstream workflow phases. Use when a Jira URL, a GitHub issue URL, or owner/repo/number coordinates need the Phase 1 fetch-work-item step. Detects the platform from the input and loads the matching playbook just-in-time.

Create or maintain `STRATEGY.md` — the product's target problem, our approach, who it's for, key metrics, and tracks of work. Use when starting a new product, updating direction, or when prompts like 'write our strategy', 'update the roadmap', 'what are we working on', or 'set up the strategy doc' come up. Also fires when `/flow-next:prospect`, `/flow-next:plan`, `/flow-next:interview`, or `/flow-next:capture` need upstream grounding and no strategy doc exists yet.

Guides app teams through authoring, structuring, and publishing help documentation (articles, release notes, FAQs) using the fusion-help-cli. USE FOR: write help articles, create release notes, set up help docs, publish documentation, sync articles, configure help config file, maintain app help content. DO NOT USE FOR: building the CLI itself, modifying Fusion.Services.Help internals, or non-documentation tasks.

GCSE English Language tutor and revision assistant for 15–16 year old students preparing for 2026 exams across AQA, Edexcel, OCR, Eduqas, and WJEC boards. Use when a student asks for help understanding reading analysis, writing techniques, exam technique, revising for GCSE English Language, practising past paper questions, or improving their creative or transactional writing.

Grafana OSS core features — dashboards, panels, visualization types, data sources, template variables, alerting, annotations, provisioning, RBAC, service accounts, and configuration. Use when building dashboards, configuring data sources, setting up provisioning YAML, managing users and permissions, writing PromQL/LogQL/TraceQL in panels, or configuring Grafana server settings.

Generate, edit, and read PowerPoint presentations. Create from scratch with PptxGenJS (cover, TOC, content, section divider, summary slides), edit existing PPTX via XML workflows, or extract text with markitdown. Triggers: PPT, PPTX, PowerPoint, presentation, slide, deck, slides.

Generate, edit, and read PowerPoint presentations. Create from scratch with PptxGenJS (cover, TOC, content, section divider, summary slides), edit existing PPTX via XML workflows, or extract text with markitdown. Triggers: PPT, PPTX, PowerPoint, presentation, slide, deck, slides.

QA workflow that validates a running application against Gherkin user stories. Use when running /qa or /qa:new-story, writing user stories under docs/user-stories/, decomposing Gherkin scenarios into Playwright and Tidewave validation work, mapping Given/When/Then to a RED/GREEN TDD loop, or filing observed behavior deltas as bees issues.

Guides comprehensive requirements gathering and analysis including stakeholder interviews, user story creation, use case documentation, acceptance criteria, requirements prioritization, and traceability. Produces requirements documents, user stories, use cases, and development roadmaps. Use when gathering requirements, writing user stories, creating acceptance criteria, analyzing stakeholder needs, prioritizing features, or when users mention requirements analysis, business analysis, user stories, use cases, or requirements documentation.

Ruby on Rails architecture and coding patterns from Basecamp. Use when writing, reviewing, or refactoring Rails code to follow proven conventions for models, controllers, jobs, and concerns. Triggers on tasks involving Rails models, concerns, controllers, background jobs, or Turbo/Hotwire.

Applies Jeff Patton's User Story Mapping to help teams build shared understanding, decompose work, and plan releases. Use when creating story maps, mapping user activities, writing user stories, slicing releases, planning walking skeletons, decomposing backlogs, breaking down features, facilitating discovery sessions, identifying MVPs, or when user mentions backbone, user journey mapping, release slicing, or flat backlog problems.

Writes, reviews, and improves SwiftData code using modern APIs and best practices. Use when reading, writing, or reviewing projects that use SwiftData.

Best practices for writing R package tests using testthat version 3+. Use when writing, organizing, or improving tests for R packages. Covers test structure, expectations, fixtures, snapshots, mocking, and modern testthat 3 patterns including self-sufficient tests, proper cleanup with withr, and snapshot testing.

Comprehensive naming convention guide for TypeScript and Angular applications. Covers casing rules (camelCase, PascalCase, UPPER_CASE), prefix conventions (I for interfaces, _ for private, T for generics), boolean naming, the S-I-D principle (Short, Intuitive, Descriptive), context duplication, and structured naming patterns (P/HC/LC for variables, A/HC/LC for functions). Use when writing, reviewing, or refactoring TypeScript code. Triggers on tasks involving naming, variables, functions, interfaces, or code style.

Zod v4 schema validation for TypeScript. Covers primitives, string formats, objects, arrays, unions, coercion, transforms, refinements, parsing, type inference, error customization, JSON Schema, file validation, and metadata. Use when writing schemas, validating input, parsing data, inferring types, or converting schemas with Zod.

Engineering excellence for builders. Use when: writing code, making technical decisions, refactoring, reviewing, completing implementation work.

Bun JavaScript runtime, bundler, and package manager. Covers Bun.serve() HTTP server, Bun.file() I/O, SQLite, password hashing, Bun.build() bundler, bun:test runner, and package management. Use when building with Bun APIs, running scripts with Bun, bundling code, managing packages with bun install/add, or writing tests with bun:test.

Manage local Codex session transcripts, including listing candidate sessions, exporting full or selected sessions to organized Markdown, inspecting archived sessions, and summarizing tool-call history. Use when the user asks to scan, parse, archive, inspect, recover, summarize, manage, or convert Codex sessions, `~/.codex/sessions` data, `~/.codex/archived_sessions` data, `.jsonl` transcripts, tool-call history, or hard-to-read Codex conversation logs.