Skill Claude CodeCodex
Runs a structured decision process for high-stakes choices - reversibility classification, weighted decision matrices, expected value with explicit probabilities, pre-mortems, second-order thinking, and 10/10/10 - and produces a documented recommendation plus a decision-journal entry. Use when someone asks "should I…
Skill Claude CodeCodex
Runs a thorough multi-source research process - decompose the question, gather independent sources, cross-check, synthesize - and delivers a structured, cited brief with confidence levels and gaps. Use when someone asks "research this topic in depth", "give me everything on X", "what does the evidence say about Y", or…
Skill Claude CodeCodex
Designs a daily schedule that protects deep work - classifies tasks as deep or shallow, places 2-4 focus blocks of 60-120 minutes at peak energy hours, batches shallow work into fixed windows, and defines each session with a goal, definition of done, distraction plan, and first action, plus startup/shutdown rituals…
Skill Claude CodeCodex
Builds a product demo script around the buyer's discovered pain - a 60-second situation recap opening, three to four before/after "moments" mapped to the buyer's metric, and a close that ends before the slot does. Use when someone asks "help me script this demo", "how should I structure tomorrow's product…
Skill Claude CodeCodex
Audits third-party dependencies for exploitable CVEs, abandonment, license exposure, and supply-chain hygiene, and delivers a ranked findings report with a remediation order. Use when someone asks "is this package safe to add", "audit our dependencies", "npm audit is screaming, what actually matters", "can we use this…
Skill Claude CodeCodex
Runs a structured design critique of a screen, flow, or component across three dimensions - jobs-to-be-done, clarity, and delight - and delivers a severity-ranked critique table with one prioritized recommendation. Use when someone asks "critique this design", "review this mockup before we build it", "this flow feels…
Skill Claude CodeCodex
Writes a complete design handoff document covering components, design tokens, interaction states, and edge cases for engineering implementation. Use when handing off a feature or screen to developers.
Skill Claude CodeCodex
Runs an ordered design QA pass over an implemented UI - layout, type, color, states, motion, content - against the design spec, with concrete tolerances and a filed defect list. Use when someone asks "QA this build against the designs", "does the implementation match Figma", "is this ready for design sign-off", or…
Skill Claude CodeCodex
Adapts an existing lesson or unit for mixed readiness levels using tiered assignments, flexible grouping, and scaffolds that fade - without lowering the learning objective. Use when someone says "differentiate this lesson", "I have students at three levels in one class", "add scaffolds and extensions to this unit", or…
Skill Claude CodeCodex
Prepares a rep for a B2B discovery call - targeted company research, a falsifiable hypothesis stack, a layered question plan with MEDDICC and SPICED coverage, and explicit call goals, delivered as a filled prep sheet. Use when someone asks "help me prep for a discovery call", "what should I ask this prospect…
Skill Claude CodeCodex
Produces production-minded docker-compose configurations - pinned images, healthchecks with real intervals, health-gated startup ordering, named volumes, explicit networks, and env-file secrets - plus the matching .env.example. Use when someone asks "write a compose file for this stack", "why does my app start before…
Skill Claude CodeCodex
Builds a maintained library of reusable document templates for a team - frequency-based selection, four-part template anatomy, style and naming conventions, and a quarterly maintenance protocol. Use when someone asks "set up document templates for my team", "our docs are all formatted differently", "create a standard…
Skill Claude CodeCodex
Builds a small nonprofit's individual-donor communication system - segmenting donors into major, recurring, first-time, and lapsed with different treatment for each, thanking within 48 hours of every gift, structuring impact stories around one beneficiary with the donor as hero, writing appeal letters, and holding a…
Skill Claude CodeCodex
Runs structured diligence on an investment or acquisition target across four workstreams - commercial, financial, technical, and legal - and produces a red-flag register split into deal-killers versus manageable risks with a go/no-go recommendation. Use when someone asks "what should I check before investing", "run…
Skill Claude CodeCodex
Converts an acceptance criterion or user story into one maintainable Playwright or Cypress end-to-end test that reads like the journey it covers. Use when turning a Given/When/Then acceptance criterion or user story into a browser test, when asked to "write an E2E test for this AC", or when a feature's critical…
Skill Claude CodeCodex
Applies microeconomic frameworks - supply and demand, elasticity, marginal analysis, market structure, externalities - to a business decision and produces a recommendation with explicit assumptions and a sensitivity analysis showing which assumption flips the answer. Use when someone asks "what happens to revenue if…
Skill Claude CodeCodex
Runs a structured exploratory data analysis on a new or suspect dataset - schema audit, target analysis, feature profiling, missingness patterns, and leakage checks - ending in a written decision log. Use when someone says "I just got this dataset, where do I start", "my model metrics look too good", "audit this data…
Skill Claude CodeCodex
Audits and protects sender reputation and inbox placement for permissioned marketing and lifecycle email - SPF, DKIM, and DMARC authentication, domain warmup, bounce and complaint thresholds, and engagement sunsetting - and delivers a scored deliverability audit checklist with a remediation order. Use when someone…
Skill Claude CodeCodex
Designs automated onboarding and activation drip sequences with behavior-gated sends, exit triggers on conversion, and per-email jobs and timing. Use when someone asks "build an onboarding email sequence", "design a drip campaign for new signups", "why isn't our onboarding flow activating users", or is extending an…
Skill Claude CodeCodex
Write recurring email newsletters - subject lines that earn the open, preview text that extends them, a body structure readers finish, and cadence rules that keep the list healthy. Use when someone asks "write my newsletter", "give me subject line options", "why is my open rate dropping", "should I send weekly or…
Skill Claude CodeCodex
Triages a batch of emails into delete, do-now, delegate, or defer decisions using the 2-minute rule, returning drafted replies, delegation forwards, and dated tasks. Use when someone says "help me get through my inbox", "triage these emails", "I have 200 unread messages, what needs a reply", or "turn this pile of…
Skill Claude CodeCodex
Sizes an emergency fund from essential expenses and household risk tier, picks the right account, and builds the funding and replenishment schedule. Use when someone asks "how much should I have in savings", "how big should my emergency fund be", "where should I keep my emergency fund", or "should I save or pay off…
Skill Claude CodeCodex
Reviews an employment agreement clause by clause, flags deviations from market-standard terms - non-compete scope, IP assignment breadth, cause definitions, equity mechanics - and produces a review table with recommended asks, explicitly bounded as not legal advice. Use when someone asks "can you review my offer…
Skill Claude CodeCodex
Rolls up engineering team status into an exec-ready written update with exactly three sections - progress in outcomes, risks with likelihood and mitigation, and asks with owners and deadlines - scannable in under 90 seconds. Use when someone asks "write my weekly eng update", "summarize team status for leadership"…
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: