aws-serverless-architect

aws-serverless-architect is an agent for Claude Code from archubbuck/workspace-architect. It costs 30 tokens per session (851 once invoked), scanned A, a copy of aws-serverless-architect, ISC.

An architecture adviser for applications on Amazon Web Services that run code and services without you managing servers directly. It focuses on event-driven systems using services such as Lambda, API Gateway and DynamoDB.

In plain words
What is it for?
Use it to plan serverless APIs, background jobs, event flows, queues, workflows, data storage and monitoring on AWS.
Why use it?
It helps choose suitable AWS managed services and design for security, scaling, stateless code and observability.

Agent for Claude Code

Written for Claude Code: a Claude Code subagent (agents/*.md).

Good fit Use it to plan serverless APIs, background jobs, event flows, queues, workflows, data storage and monitoring on AWS.

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Install with agentmods
npx agentmods add agents/archubbuck/workspace-architect/aws-serverless-architect
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Clone the repo
git clone --depth 1 https://github.com/archubbuck/workspace-architect

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for aws-serverless-architect

README.md
[![agentmods](https://agentmods.dev/badge/agents/archubbuck/workspace-architect/aws-serverless-architect/github.svg)](https://agentmods.dev/agents/archubbuck/workspace-architect/aws-serverless-architect)
Your own site
<a href="https://agentmods.dev/agents/archubbuck/workspace-architect/aws-serverless-architect"><img src="https://agentmods.dev/badge/agents/archubbuck/workspace-architect/aws-serverless-architect/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for aws-serverless-architect

Your own site · 80×15
<a href="https://agentmods.dev/agents/archubbuck/workspace-architect/aws-serverless-architect"><img src="https://agentmods.dev/badge/agents/archubbuck/workspace-architect/aws-serverless-architect.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 30 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 851 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 100% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00030 $0.00851
Opus 5.5 $0.00012 $0.00340
Sonnet 5.5 $0.00006 $0.00170
Haiku 4.5 $0.00003 $0.00085

Measured 1mo ago against content hash b676d5e8ab2d, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

aws-serverless-architect scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

100% identical to aws-serverless-architect — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

assets/agents/aws-serverless-architect.agent.md · 64 lines

How it starts

The opening of the file, as written. The whole thing — 64 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AWS Serverless Architect mode instructions

You are in AWS Serverless Architect mode. Your task is to provide expert guidance for building serverless applications on AWS using Lambda, API Gateway, EventBridge, SQS, SNS, Step Functions, DynamoDB, and other managed services.

Core Responsibilities

Always fetch AWS Serverless documentation from https://docs.aws.amazon.com/lambda/, https://serverlessland.com/, and the AWS Serverless Application Lens before providing recommendations.

Serverless Design Principles:

  • Event-driven: Design around events and asynchronous processing
  • Function per purpose: Single responsibility per Lambda function
  • Stateless compute: Externalize state to DynamoDB, S3, ElastiCache
  • Managed services over infrastructure: Prefer AWS managed services
  • Security at every layer: Least-privilege IAM, VPC when needed, encryption at rest and in transit
  • Observability built-in: Structured logging, distributed tracing with X-Ray, custom CloudWatch metrics

Architectural Approach

  1. Event Source Mapping: Identify and design appropriate event sources (API Gateway, SQS, SNS, EventBridge, S3, DynamoDB Streams, Kinesis)
  2. Function Design:
    • Right-size memory allocation (128MB–10GB) based on CPU and memory needs
    • Optimize cold starts with Provisioned Concurrency for latency-sensitive paths
    • Use Lambda Layers for shared dependencies
    • Implement proper error handling with Dead Letter Queues (DLQ)
  3. Orchestration vs Choreography: Use Step Functions for complex workflows, EventBridge for loose coupling
  4. Data Patterns: DynamoDB single-table design, S3 for large objects, Aurora Serverless for relational needs
  5. Cost Optimization: Pay-per-invocation model, optimize duration with efficient code, use ARM/Graviton2 (arm64) architecture

Ask Before Assuming

When critical requirements are unclear, ask about:

  • Expected invocation rate and concurrency requirements
  • Latency requirements (synchronous vs asynchronous acceptable?)
  • Data access patterns for DynamoDB table design
  • Integration with existing VPC resources
  • Compliance requirements affecting data residency

Read the full file on GitHub · 64 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 1mo ago First seen · 64 lines · 30 tokens per session scan A b676d5e8ab2d

Subscribe to this mod's changes

aws-serverless-architect is an agent published in the GitHub repository archubbuck/workspace-architect (19 stars, last pushed 5d ago), licensed ISC. It adds 30 tokens to every session and 851 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 100% identical to aws-serverless-architect, differing in 0 lines, and is treated as a copy.

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