# Smartthings Smartapps > Design, build, and troubleshoot SmartThings SmartApps (Connected Services), including app registration, lifecycles, configuration, subscriptions, scheduling, OAuth, hosting, testing, and troubleshooting using official docs. Use when this capability is needed. - Skill: `tomevault-io/smartthings-smartapps` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/smartthings-smartapps` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/smartthings-smartapps/raw - Safety review: pending - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Integrations & APIs - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/smartthings-smartapps --- # SmartThings SmartApps Use this skill for SmartApps (Connected Services). Always open the exact official doc pages from `references/` before answering so guidance stays current. ## Workflow 1. Confirm the SmartApp type and hosting model (webhook or AWS Lambda). 2. Follow the lifecycle and configuration docs for structure and payloads. 3. Use subscriptions and scheduling docs for event handling. 4. Validate OAuth needs and app registration steps. 5. Use testing and troubleshooting docs when debugging. 6. Link the exact pages used in the response. ## References - SmartApp docs index: `references/smartapps-links.md` Load only the reference file needed for the user request. --- > Converted and distributed by [TomeVault](https://tomevault.io/claim/401unauthorized) — claim your Tome and manage your conversions.