Skills for working with Excel spreadsheets including creation, editing, formulas, and data manipulation.
/plugin marketplace add ComposioHQ/awesome-claude-skills
/plugin install document-skills-xlsx@ComposioHQ/awesome-claude-skills
Payload Development plugin - covers collections, fields, hooks, access control, plugins, and database adapters.
Modern Julia development with Julia 1.10+, package management, scientific computing, high-performance numerical code, and production best practices
Database query optimization, cloud cost optimization, and scalability improvements
Essential developer skills including Git workflows, SQL optimization, error handling, code review, E2E testing, authentication, debugging, and monorepo management