just-ai

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 for all Mastra development to ensure you're using current APIs from the installed version or latest documentation.

Guide how to build modern web applications for agents and workflows. Use this skill when user asks to create a web app, UI, dashboard, frontend, or page for their agents or workflows.

Mastra agent channels (Slack, Discord, Telegram, etc.) via Chat SDK adapters. In this project, wrap agent tools with createAgentTools() and channel config with createAgentChannels() from ../shmastra; register agents on Mastra with storage for channel state.

How to schedule workflows, agents and custom logic or HTTP API calls to run on cron. Read this skill for ANY user interaction related to scheduling, cron, or periodic execution including: creating a new schedule, viewing, listing, pausing, editing, or deleting existing schedules

Debug and inspect E2B sandboxes — check why a sandbox is broken, view logs, restart processes, inspect files, verify health. Use this skill when the user reports a problem with their sandbox, asks to check/fix/debug a sandbox, mentions a sandbox is not working, complains about errors in their workspace, or when you need to investigate sandbox state during any troubleshooting.