OpenAgentSkill Registry Manifest Skill: Developer Handbook Slug: apptension-developer-handbook Category: data-analysis Description: An opinionated guide on how to become a professional Web/Mobile App Developer. Agent fit: - Decision: 80/100 Strong shortlist - Primary fit: Local desktop - Role: Companion skill Supply profile: - Track: Data, BI, and analytics - Scenario: Local desktop - Applicable agents: Claude Code, CLI, Codex, Cursor, SQL - Maintenance: 2y since push - Risk: Needs review Trust: - Trust score: 80/100 Strong shortlist - Audit: 73/100 Needs review Attribution: - Status: Community indexed - Source: GitHub star discovery - Creator: apptension - Claim URL: https://www.openagentskill.com/skills/apptension-developer-handbook#claim-this-skill Install: npx skills add apptension/developer-handbook URLs: - Web: https://www.openagentskill.com/skills/apptension-developer-handbook - API: https://www.openagentskill.com/api/agent/skills/apptension-developer-handbook - Install API: https://www.openagentskill.com/api/skills/apptension-developer-handbook/install - Repository: https://github.com/apptension/developer-handbook