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Categories

Every Ark package belongs to one of six thematic categories. Categories are used for browse filtering, search ranking, and marketplace organization.

The 6 categories

CategoryForExample packages
creativeWriting, storytelling, art, music, designvoice-writer, plot-architect, lyric-gen
businessFinance, sales, operations, legal, HRagent-comptable, crm-assistant, contract-review
researchAcademic, scientific, investigative, fact-checkingliterature-scanner, citation-manager, bias-checker
engineeringCode, DevOps, architecture, testing, databasescode-reviewer, deploy-assistant, sql-agent
personalProductivity, health, learning, journaling, habitsdaily-recap, habit-tracker, language-tutor
domainSpecialized verticals: medical, legal, real estate, etc.legal-brief-writer, medical-scribe, property-analyst

Creative

Packages that help with any form of creative expression. Fiction writing, screenwriting, poetry, brand copywriting, visual concept generation, music composition assistance.

Typical buyers: authors, marketers, game designers, content creators.

Business

Packages that automate or augment business operations. Finance and accounting, CRM management, sales automation, legal document drafting, internal reporting, HR processes.

Typical buyers: founders, accountants, operations leads, solo consultants.

Research

Packages built for investigation, analysis, and synthesis. Academic literature review, competitive analysis, fact-checking, citation management, data interpretation.

Typical buyers: researchers, journalists, analysts, PhD students.

Engineering

Packages for software development, infrastructure, and technical work. Code review, test generation, documentation writing, architecture planning, database management, DevOps automation.

Typical buyers: developers, DevOps engineers, CTOs.

Personal

Packages for individual productivity, well-being, and learning. Daily recaps, goal tracking, language learning, journaling assistants, habit systems, memory management.

Typical buyers: knowledge workers, students, lifelong learners.

Domain

Highly specialized packages for a specific professional vertical. These require deep domain expertise and are priced accordingly. Medical documentation, legal briefs, real estate analysis, financial modeling for specific industries.

Typical buyers: domain professionals who know exactly what they need.

Choosing the right category matters for discoverability. If your package spans multiple areas, pick the primary use case. A legal research agent belongs in domain, not research — its audience is legal professionals, not academics.