An AI Skill that combines the mental models of 42 world-class product masters to help you make every product decision.
Skill Claude CodeCodex
Help users align stakeholders and get buy-in. Use when someone is struggling to get approval, facing resistance to their ideas, needs to influence without authority, or is preparing for an important executive presentation.
Skill Claude CodeCodex
Help users generate and evaluate startup ideas. Use when someone is brainstorming business ideas, trying to find a startup concept, evaluating whether an idea is worth pursuing, or looking for unique market opportunities.
Skill Claude CodeCodex
Help users decide when and how to pivot their startup. Use when someone is questioning their current direction, seeing poor traction, considering a major strategy change, or stuck in the pre-PMF stage.
Skill Claude CodeCodex
Help users think in systems and understand complex dynamics. Use when someone is dealing with multi-stakeholder problems, trying to understand second-order effects, managing platform ecosystems, or analyzing complex organizational dynamics.
Skill Claude CodeCodex
Help users design effective team rituals. Use when someone is building team culture, creating recurring team practices, trying to improve team communication, or establishing operational rhythms for their organization.
Skill Claude CodeCodex
Help users create technical roadmaps. Use when someone is planning engineering work, prioritizing tech debt, building architecture roadmaps, or aligning technical and product strategy.
Skill Claude CodeCodex
Help users conduct effective usability testing. Use when someone is planning user tests, designing prototype validation, preparing usability studies, or trying to understand why users struggle with their product.
Skill Claude CodeCodex
Help users design effective product onboarding. Use when someone is creating first-user experiences, trying to improve activation rates, designing the first 30 seconds of product usage, or working on the path to the aha moment.
Skill Claude CodeCodex
Help users build software using AI coding tools. Use when someone is using AI to generate code, building prototypes without deep technical skills, or exploring how non-engineers can create functional software through natural language.
Skill Claude CodeCodex
Help users apply the working backwards methodology. Use when someone is defining a new product, writing a PR/FAQ, planning from a future state, or trying to clarify a product's value proposition before building.
Skill Claude CodeCodex
Help users write effective job descriptions. Use when someone is creating a job posting, defining a new role, preparing to hire, or trying to attract the right candidates for an open position.
Skill Claude CodeCodex
Help users define their North Star metric. Use when someone is choosing their primary success metric, trying to align the team around a key measure, struggling with metric proliferation, or setting up their measurement strategy.
Skill Claude CodeCodex
Help users write effective PRDs. Use when someone is documenting product requirements, preparing specs for engineering, writing feature briefs, or defining what to build for their team.
Skill Claude CodeCodex
Help users write effective specs and design documents. Use when someone is creating technical specs, feature specs, design docs, or trying to communicate product requirements to engineering and design teams.
Skill Claude CodeCodex
Help users communicate more effectively in writing. Use when someone is drafting memos, emails, strategy docs, announcements, or any written communication that needs to be clear, concise, and persuasive.
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: