Updated 5d ago
by hoavdc
CodexKit
A Codex-first starter repo with installable skills, templates, and workspace kits for engineering, project management, finance, legal, HR, operations, strategy, analytics, marketing, sales, support, founders, and CX.
25 GitHub stars (25)
+1 in 20 days
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- 30 skills (30 skills found in its SKILL.md files)
- 12 forks (12 forks)
- 5d ago last update (Last updated 5d ago)
Install
Skills CLI
npx skills add hoavdc/CodexKit
Asks which skills and agents to install. Just one: npx skills add hoavdc/CodexKit --skill codexkit-a-b-test-planner — add -g for every project.
Claude Code
git clone https://github.com/hoavdc/CodexKitcp -r "CodexKit/skills/codexkit-a-b-test-planner" ~/.claude/skills/
Copies the codexkit-a-b-test-planner skill into ~/.claude/skills/ for every project (use .claude/skills/ for one project). Repeat for the other skills listed below.
Plugin
/plugin marketplace add hoavdc/CodexKit
Run inside Claude Code if the repository ships a plugin marketplace, then pick plugins from /plugin.
Skills can run code on your machine — read the SKILL.md first.
What it does
In the author's own words, from each skill's SKILL.md — showing the first 30 of 90 files.
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codexkit-a-b-test-planner
Design rigorous A/B test plans with hypothesis, sample size calculation, Minimum Detectable Effect (MDE), randomization strategy, and decision rules. Includes guardrail metrics and rollout playbook. Use when planning product experiments, conversion optimization, or data-driven feature decisions.
skills/codexkit-a-b-test-planner/SKILL.md on GitHub (opens in a new tab) -
codexkit-api-design-reviewer
Review REST and GraphQL API designs for consistency, usability, and best practices. Covers naming conventions, versioning strategy, error format, pagination, authentication patterns, and breaking change detection. Use when reviewing API specs, designing new APIs, or auditing existing endpoints.
skills/codexkit-api-design-reviewer/SKILL.md on GitHub (opens in a new tab) -
codexkit-architecture-decision-writer
Write Architecture Decision Records (ADRs) following the Michael Nygard format. Captures context, options considered, decision rationale, and consequences. Use when making technology choices, framework selections, or any architectural decision that future developers need to understand.
skills/codexkit-architecture-decision-writer/SKILL.md on GitHub (opens in a new tab) -
codexkit-audit-readiness-checker
Assess organizational readiness for financial audits (internal or external). Map assertions to account balances, check evidence completeness, score readiness using a Red/Amber/Green framework, and generate a remediation timeline. Aligned with SOX, IFRS, and GAAP audit standards. Use before scheduled audits or when preparing for first-time compliance.
skills/codexkit-audit-readiness-checker/SKILL.md on GitHub (opens in a new tab) -
codexkit-automation-designer
Design safe recurring Codex automations with clear prompts, outputs, schedules, and gating rules.
skills/codexkit-automation-designer/SKILL.md on GitHub (opens in a new tab) -
codexkit-backlog-refiner
Refine Product Backlog Items to meet INVEST criteria. Write User Stories with Acceptance Criteria in Given/When/Then format, estimate with Story Points, and flag dependencies. Use before sprint planning when backlog items need grooming. Do not use to prioritize the backlog — that is the Product Owner's decision.
skills/codexkit-backlog-refiner/SKILL.md on GitHub (opens in a new tab) -
codexkit-brand-positioning-canvas
Build or refine brand positioning with audience, category, differentiators, proof, tone, JTBD signals, and competitive context. Use when marketing, founders, or GTM teams need a positioning canvas, messaging pillars, or campaign foundation. Do not use for isolated ad copy tweaks with no strategy question.
skills/codexkit-brand-positioning-canvas/SKILL.md on GitHub (opens in a new tab) -
codexkit-budget-variance-explainer
Turn raw budget-versus-actual data into plain-language explanations for non-finance managers. Focus on why numbers moved, what it means for the team, and what action to take — without requiring accounting knowledge. Use when managers need to understand their cost center performance. Do not use for technical accounting analysis, tax preparation, or external audit deliverables.
skills/codexkit-budget-variance-explainer/SKILL.md on GitHub (opens in a new tab) -
codexkit-bug-hunt
Reproduce, isolate, patch, and verify defects with explicit expected-versus-observed behavior.
skills/codexkit-bug-hunt/SKILL.md on GitHub (opens in a new tab) -
codexkit-business-case-writer
Write structured business cases with problem framing, options analysis, financial modeling (NPV/ROI/Payback), risk assessment, and implementation roadmap. Follows HBR business case structure. Use when seeking budget approval, proposing new initiatives, or justifying investment decisions.
skills/codexkit-business-case-writer/SKILL.md on GitHub (opens in a new tab) -
codexkit-campaign-brief-writer
Write agency-standard creative briefs for marketing campaigns. Structure Background, Objective (SMART), Target Audience persona, Key Message, Mandatories, KPIs, Timeline, and Budget Allocation. Use when briefing agencies, creative teams, or internal marketing on a new campaign.
skills/codexkit-campaign-brief-writer/SKILL.md on GitHub (opens in a new tab) -
codexkit-change-management-plan
Build change management plans using ADKAR and Kotter's 8-Step framework. Covers stakeholder readiness, communication plans, training schedules, resistance management, and adoption metrics. Use when rolling out new systems, reorganizations, or process changes that affect people.
skills/codexkit-change-management-plan/SKILL.md on GitHub (opens in a new tab) -
codexkit-churn-risk-analyzer
Build customer health scores and churn risk models using leading indicators. Define health dimensions (Usage, Engagement, Support, Sentiment, Contract), weight and score customers, segment into Healthy / At-Risk / Red, and generate intervention playbooks. Use during QBR prep, customer success reviews, or when churn spikes.
skills/codexkit-churn-risk-analyzer/SKILL.md on GitHub (opens in a new tab) -
codexkit-cloud-delegation
Break complex work into bounded Codex delegation tasks with clear ownership, expected outputs, and integration checkpoints.
skills/codexkit-cloud-delegation/SKILL.md on GitHub (opens in a new tab) -
codexkit-competitor-intelligence
Build competitive intelligence briefs following the CI cycle — Plan, Collect, Analyze, Disseminate. Profile competitors, create feature comparison matrices, analyze pricing, build positioning maps, and identify win/loss patterns. Use when preparing for product launches, sales enablement, or strategic reviews.
skills/codexkit-competitor-intelligence/SKILL.md on GitHub (opens in a new tab) -
codexkit-compliance-gap-review
Compare policies, procedures, onboarding files, or operating evidence against a named compliance framework such as AML/KYC, privacy, internal controls, or audit readiness. Use when a team needs a gap matrix, control checklist, remediation priorities, or evidence request list. Do not use when no target framework is specified or when formal legal or regulatory sign-off is required.
skills/codexkit-compliance-gap-review/SKILL.md on GitHub (opens in a new tab) -
codexkit-content-calendar-assembler
Turn launch dates, campaign inputs, and asset requests into a structured content calendar and workback plan. Use when the work is recurring marketing coordination and schedule packaging. Do not use for brand strategy, positioning design, or deep performance interpretation.
skills/codexkit-content-calendar-assembler/SKILL.md on GitHub (opens in a new tab) -
codexkit-contract-drafter
Draft commercial contracts from scratch by contract type — NDAs, service agreements, vendor contracts, employment agreements, and licensing deals. Follow a clause library approach with risk-balanced terms. Use when creating new contracts. Do not replace legal counsel sign-off on finalized agreements. For reviewing existing contracts, use contract-risk-review instead.
skills/codexkit-contract-drafter/SKILL.md on GitHub (opens in a new tab) -
codexkit-contract-intake-router
Standardize incoming legal or commercial contract requests into request type, missing information, priority, and review queue. Use when the work is intake routing and request cleanup. Do not use for clause interpretation, negotiation strategy, or legal advice on the agreement itself.
skills/codexkit-contract-intake-router/SKILL.md on GitHub (opens in a new tab) -
codexkit-contract-risk-review
Review commercial contracts, NDAs, MSAs, SOWs, and vendor agreements for obligation clarity, risk allocation, termination, data handling, and negotiation red flags. Use when a user needs a structured contract summary, red flag list, fallback positions, or clause-by-clause review. Do not use as jurisdiction-specific legal advice, litigation strategy, or final legal sign-off.
skills/codexkit-contract-risk-review/SKILL.md on GitHub (opens in a new tab) -
codexkit-crisis-communication
Draft crisis communication packages including holding statements, stakeholder updates, Q&A documents, and internal briefs. Follows ICS (Incident Command System) communication principles. Use during PR crises, data breaches, product recalls, or any event requiring rapid coordinated messaging.
skills/codexkit-crisis-communication/SKILL.md on GitHub (opens in a new tab) -
codexkit-csat-sentiment-analyzer
Analyze CSAT, NPS comments, reviews, and support feedback for sentiment, recurring themes, customer pain, and service improvement actions. Use for customer support and CX feedback reviews.
skills/codexkit-csat-sentiment-analyzer/SKILL.md on GitHub (opens in a new tab) -
codexkit-customer-journey-mapper
Map the end-to-end customer journey across awareness, consideration, purchase, onboarding, adoption, retention, and advocacy stages. Identify touchpoints, pain points, emotions, and Moments of Truth per stage. Use when designing or improving customer experience. Do not use for internal employee process mapping — use process-mapper instead.
skills/codexkit-customer-journey-mapper/SKILL.md on GitHub (opens in a new tab) -
codexkit-cx-qbr-preparer
Prepare customer or executive business reviews with outcome tracking, adoption health, ROI narrative, risks, commitments, and next-quarter plan using customer success and CX frameworks. Use when teams need QBRs, success plans, churn-risk conversations, or executive account reviews. Do not use for generic slide beautification or cold outreach prospecting.
skills/codexkit-cx-qbr-preparer/SKILL.md on GitHub (opens in a new tab) -
codexkit-daily-brief-generator
Create a concise daily briefing from calendar items, tasks, messages, and open decisions. Use at the start of a workday to identify priorities, risks, preparation needs, and follow-ups.
skills/codexkit-daily-brief-generator/SKILL.md on GitHub (opens in a new tab) -
codexkit-dashboard-kpi-designer
Design KPI dashboards with SMART metrics, visualization selection, alert thresholds, and refresh cadence. Covers leading vs lagging indicators, data dictionary, and stakeholder-specific views. Use when building operational dashboards, executive scorecards, or team performance views.
skills/codexkit-dashboard-kpi-designer/SKILL.md on GitHub (opens in a new tab) -
codexkit-data-quality-auditor
Audit data quality across six DAMA DMBOK dimensions — Completeness, Accuracy, Consistency, Timeliness, Validity, Uniqueness. Produces a scored data quality report with issue log and remediation plan. Use when profiling datasets, onboarding new data sources, or building data quality gates.
skills/codexkit-data-quality-auditor/SKILL.md on GitHub (opens in a new tab) -
codexkit-data-story-builder
Turn business data, KPI movement, or experiment results into a clear narrative using the what-so what-now what structure, audience calibration, and action-oriented insight. Use when leaders need a data-backed brief, dashboard storyline, or metric interpretation. Do not use for raw statistical modeling with no communication deliverable.
skills/codexkit-data-story-builder/SKILL.md on GitHub (opens in a new tab) -
codexkit-decision-log
Record and track organizational decisions using the RAPID framework. Captures decision context, options analysis, RAPID roles, risk assessment, and communication plan. Use when making cross-functional decisions, documenting governance choices, or building an auditable decision trail.
skills/codexkit-decision-log/SKILL.md on GitHub (opens in a new tab) -
codexkit-dmaic-improvement-charter
Define a Lean Six Sigma improvement project using DMAIC, problem framing, baseline measures, root-cause hypotheses, CTQs, and control planning. Use when an existing process is underperforming and the team needs a charter, SIPOC, baseline, and improvement path. Do not use for brand-new process design or vague complaints with no process boundary.
skills/codexkit-dmaic-improvement-charter/SKILL.md on GitHub (opens in a new tab)
No skill matches that filter.
Review before you install
A skill is a set of instructions and scripts your agent will follow, and it can run code on your machine. Read the SKILL.md and any scripts first — this listing is not a security review.