Agent skill · software engineering · aiskillstore

mastra

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.

Why this skill is useful

Provides specific documentation lookup strategies and core concepts for Mastra development that the AI wouldn't reliably generate on its own.

What it needs

Requires @mastra/core installed locally. About 3k tokens when loaded. Last updated 2026-08-07. 405 stars on the source repository.

What this skill does

Mastra Framework Guide Build AI applications with Mastra. This skill teaches you how to find current documentation and build agents and workflows. ⚠️ Critical: Do not trust internal knowledge Everything you know about Mastra is likely outdated or wrong. Never rely on memory. Always verify against current documentation. Your training data contains obsolete APIs, deprecated patterns, and incorrect usage. Mastra evolves rapidly - APIs change between versions, constructor signatures shift, and patterns get refactored. Prerequisites Before writing any Mastra code, check if packages are installed: If packages exist: Use embedded docs first (most reliable) If no packages: Install first or use remote docs Documentation lookup guide Quick Reference User Question First Check How To ----------------------------------- ---------------------------------------------------------------- ---------------------------------------------- "Create/install Mastra project" references/create-mastra.md Setup guide with CLI and manual steps "How do I use Agent/Workflow/Tool?" references/embedded-docs.md Look up in nodemodules/@mastra//dist/docs/ "How do I use X?" (no packages) references/remote-docs.md Fetch from https://mastra.ai/llms.txt "I'm getting an error..." references/common-errors.md Common errors and solutions "Upgrade from v0.x to v1.x" references/migration-guide.md Version upgrade workflows Priority order for writing code ⚠️ Never write code without checking current docs first 1. Embedded docs first (if packages installed) Why: Matches your EXACT installed version Most reliable source of truth See: references/embedded-docs.md 2. …

How to use it

Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:

@skills aiskillstore/mastra

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