aws-blocks
SkillGuides building full-stack applications with AWS Blocks — an Infrastructure-from-Code framework. Applies when creating APIs, selecting Building Blocks (KVStore, DistributedTable, Database, AuthBasic, AuthCognito, Realtime, AsyncJob, FileBucket, etc.), running local development, or deploying AWS Bloc
Install
git clone https://github.com/aws/agent-toolkit-for-aws.git ~/.claude/skills/aws-blocksWhat is aws-blocks?
Guides building full-stack applications with AWS Blocks — an Infrastructure-from-Code framework. Applies when creating APIs, selecting Building Blocks (KVStore, DistributedTable, Database, AuthBasic, AuthCognito, Realtime, AsyncJob, FileBucket, etc.), running local development, or deploying AWS Blocks applications. Also covers AWS Blocks topics with validated, version-specific patterns that prevent common mistakes. Triggers when user mentions AWS Blocks; project has aws-blocks/ directory; code imports @aws-blocks packages.
What this can do
Capabilities declared in this component's own frontmatter — not inferred.
Inherit all session tools
Declares no tool restrictions — inherits every session tool
~132 tokens of context used while enabled, before you invoke anything
Documentation
README · ~3 min readAWS Blocks Application Development
Package naming: All packages are published under the
@aws-blocksscope (e.g.,@aws-blocks/core,@aws-blocks/blocks,@aws-blocks/bb-kv-store).
Overview
AWS Blocks is an Infrastructure-from-Code framework where Building Blocks bundle CDK, SDK, and local mocks into a single API. It provides 18+ Building Blocks covering storage, authentication, real-time communication, background jobs, file management, AI/search, email, and observability — all working locally without AWS credentials.
Key characteristics:
- One
aws-blocks/directory defines the entire backend - Frontend imports are fully typed — no client generation needed
- All Building Blocks work locally without AWS (mocks persist to
.bb-data/) - Deploy ephemeral, individual testing environments with
npm run sandboxand long-lived environments withnpm run deployusing least-privilege credentials
Scaffolding a New Project
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