21 tagged app-builder, measured the same way as everything else here.
Browse within: chatgpt 44ai-assistant 11chatbot 11enterprise 10internal-tools 10app-generator 9Code Generation 6LLM 6agents 6nextjs 6
Skill Claude CodeCodex
Read and hand-edit the app's business requirements — the checklist the harness verifies the built app against. MUST be loaded whenever the user asks to add, change, remove, reword, re-prioritise, or reclassify a business requirement (e.g. "add a requirement that…", "that rule is wrong, fix it", "drop the requirement…
Skill Claude CodeCodex
Anti-slop frontend direction for landing pages, portfolios, editorial pages, and design-forward redesigns. Use after reading the brief to infer a fitting visual system, preserve existing product constraints, and run a strict pre-flight audit.
Skill Claude CodeCodex
Comprehensive Mastra framework guide. Teaches how to find current documentation, verify API signatures, and build agents and workflows. Covers documentation lookup strategies (embedded docs, remote docs), core concepts (agents vs workflows, tools, memory, RAG), TypeScript requirements, and common patterns. Use this…
Skill Claude CodeCodex
Build, test, monitor, and manage apps on Emergent.sh using browser automation.
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: