Skill Claude CodeCodex
Use when acting as an angel or early-stage investor evaluating a startup opportunity — screening an inbound pitch deck, preparing or running a founder interview, planning or executing due diligence, sanity-checking valuation or SAFE/convertible/term-sheet terms, reading a cap table or modeling dilution, assessing…
Skill Claude CodeCodex
Use when running a client advisory or B2B consulting engagement — preparing a discovery call, writing a proposal or SOW, scoping work, planning research with a source ledger, structuring a problem into issue trees, drafting an executive brief, board deck, or decision memo, QA-ing a client-facing deliverable, reviewing…
Skill Claude CodeCodex
Use when an author is planning, researching, drafting, revising, fact-checking, or quality-assuring a substantive nonfiction book or book-length manuscript, including argument-driven, narrative, prescriptive, business, leadership, self-development, social science, history, culture, explanatory, and hybrid nonfiction.
Skill Claude CodeCodex
Use when researching, architecting, drafting, auditing, or revising a publication-grade long-form article, essay, analytical piece, thought-leadership post, or multi-part editorial series — where thesis, originality, evidence, argument quality, and citation integrity matter more than word count. Also use to audit…
Skill Claude CodeCodex
Use when automating Google Gemini Notebook Enterprise / NotebookLM Enterprise — listing notebooks programmatically, building a notebook/source inventory, adding or removing sources, diagnosing ingestion failures or 401/403/429 errors, or wiring notebook access into an agent (Codex, Claude Code, MCP broker). Also use…
Skill Claude CodeCodex
Use when working with LaTeX/TeX projects — creating, editing, compiling, or debugging .tex/.bib/.bst/.sty/.cls files, fixing PDF build failures and compile-log errors, repairing bibliographies (BibTeX, BibLaTeX, Biber, natbib), formatting equations/tables/figures, converting Markdown or drafts to LaTeX, or packaging a…
Skill Claude CodeCodex
Use when writing, auditing, refactoring, or evaluating any prompt that will be reused — a single copy-ready prompt for a target model (ChatGPT, Claude, Gemini, Perplexity, Llama, Grok, Copilot, image/video models), or a persistent instruction layer for an LLM system (agent/system/developer prompts, orchestrator and…
Skill Claude CodeCodex
Use when writing, editing, or organizing content in an Obsidian vault — notes, frontmatter/properties, wikilinks, callouts, Dataview/Tasks queries, Bases (.base) dashboards, Canvas (.canvas) files, Templater automation, citation/literature workflows, or vault git commits. Also use when setting up an anti-drift vault…
Skill Claude CodeCodex
Use when writing or editing PowerShell commands or scripts, especially when variable names, shell quoting, heredocs, or path/string interpolation may fail.
Skill Claude CodeCodex
Safely acquire, inspect, sync, validate, and prepare Git repositories for review or delivery — with permission tiers, quality gates, changelog/SemVer discipline, and PR readiness reports. Use when cloning/forking repos, syncing feature branches with trunk, resolving merge conflicts, cleaning stale branches, setting up…
Skill Claude CodeCodex
Use when giving recommendations, comparing or choosing a tool/library/model/service, estimating costs or pricing, proposing a plan or architecture the user will act on, or stating version/benchmark/"state-of-the-art"/best-option/latest claims that could be outdated. Also use when the user asks "is this grounded?"…
Skill Claude CodeCodex
Production-grade Rust engineering guidelines — ownership, type-driven design, error handling, async/concurrency, testing, security, and performance. Use when writing new Rust applications, designing Rust architecture, refactoring Rust code, implementing async/concurrency, integrating databases (SQLx/SeaORM/Diesel)…
Skill Claude CodeCodex
Use when advising founders, startup teams, accelerators, or early-stage operators — evaluating a startup idea, validating a problem, reviewing a business model, scoping an MVP, planning go-to-market, critiquing a pitch deck, preparing to fundraise, auditing unit economics, or assessing readiness to scale. Triggers on…
Skill Claude CodeCodex
Production-grade Tauri v2 engineering guidelines — guest-host architecture, IPC commands, state management, ACL security, plugins, testing, performance optimization, auto-updates, and CI/CD. Use when building Tauri desktop or mobile apps, configuring tauri.conf.json, writing Tauri commands/plugins, setting up Tauri…
Skill Claude CodeCodex
Generic, stack-agnostic back-end / API testing process for any service — unit + integration (Testing Trophy, real deps via Testcontainers), API contract (request+response schema, Pact/Schemathesis, breaking-change detection), data invariants, resilience + chaos, OWASP API Security Top 10 (2023) incl. two-account BOLA…
Skill Claude CodeCodex
Generic, stack-agnostic UI testing process for any web project — visual regression, responsive + cross-browser, WCAG 2.2 AA accessibility (axe → manual → screen reader), component/state matrix, internationalization/locale-integrity (pseudo-locale + rendered-output scan), and design-token fidelity. Use when asked to…
Skill Claude CodeCodex
Generic, stack-agnostic UX testing process for any product — expert heuristic evaluation (Nielsen's 10), task-based cognitive walkthroughs, journey/state analysis, content + internationalization comprehension, and a real-user test-plan generator (moderated + unmoderated, SUS/SEQ). Use when asked to UX-test…
Skill Claude CodeCodex
UX engineering and product design — JTBD research, information architecture, WCAG 2.2 AA accessibility, design systems, interaction design, and measurement (HEART/SUS). Use when designing user interfaces, conducting UX research, building design systems, reviewing accessibility compliance, planning usability testing…