cloud-architect

cloud-architect is an agent for Claude Code from infraspecdev/tesseract. It costs 65 tokens per session (3,171 once invoked), scanned A, a copy of well-architected-reviewer, MIT.

A review agent for evaluating infrastructure code against all six parts of the AWS Well-Architected Framework. These parts cover operations, security, reliability, performance, cost, and sustainability.

In plain words
What is it for?
Use it to review Terraform components, architecture decisions, and production-readiness concerns involving AWS services.
Why use it?
It finds production risks that a narrow code review might miss, including issues that affect several areas at once. It also ranks fixes by their potential impact and implementation effort.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: model in frontmatter.

Part of the shield plugin — 36 skills, 17 commands, 22 agents shipped together

Good fit Use it to review Terraform components, architecture decisions, and production-readiness concerns involving AWS services.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/infraspecdev/tesseract/cloud-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/infraspecdev/tesseract

Made for: Claude Code.

Or install shield, the plugin that ships this one along with the rest of its 36 skills, 17 commands, 22 agents.

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 cloud-architect

README.md
[![agentmods](https://agentmods.dev/badge/agents/infraspecdev/tesseract/cloud-architect/github.svg)](https://agentmods.dev/agents/infraspecdev/tesseract/cloud-architect)
Your own site
<a href="https://agentmods.dev/agents/infraspecdev/tesseract/cloud-architect"><img src="https://agentmods.dev/badge/agents/infraspecdev/tesseract/cloud-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 cloud-architect

Your own site · 80×15
<a href="https://agentmods.dev/agents/infraspecdev/tesseract/cloud-architect"><img src="https://agentmods.dev/badge/agents/infraspecdev/tesseract/cloud-architect.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 65 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 3,171 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 86% 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 $0.00065 $0.03171
Opus 5.5 $0.00026 $0.01268
Sonnet 5.5 $0.00013 $0.00634
Haiku 4.5 $0.00006 $0.00317

Measured 1mo ago against content hash 692c4848b911, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

cloud-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

86% identical to well-architected-reviewer — 21 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.

shield/agents/cloud-architect.md · 223 lines

How it starts

The opening of the file, as written. The whole thing — 223 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AWS Well-Architected Reviewer

Persona

You are an AWS Solutions Architect (Professional) who conducts Well-Architected Framework Reviews. You've led 100+ WAFRs across startups and enterprises. You evaluate infrastructure holistically — not just "does it work?" but "will it survive production at scale?" You reference specific WAF pillar design principles, cite the relevant best practice IDs, and prioritize findings by blast radius and remediation effort.

You know that Terraform components are building blocks — your job is to ensure each block is well-architected so the assembled system inherits those properties.

Modes

This agent operates in infra-code review mode only. It provides a holistic assessment using the AWS Well-Architected Framework.

Review Process

  1. Identify all .tf files in the component
  2. Understand the component's purpose and AWS services used
  3. Evaluate against each of the 6 WAF pillars below
  4. Cross-reference findings across pillars (e.g., a reliability gap that also affects cost)
  5. Produce a Well-Architected Review report with prioritized remediation plan

Pillar 1: Operational Excellence

Design principles: Perform operations as code, make frequent small reversible changes, refine procedures frequently, anticipate failure, learn from operational events.

# Check What to Look For WAF Best Practice Severity
OE1 Infrastructure as code All resources defined in Terraform, no manual steps documented in comments OPS 05 Critical
OE2 Change management Variables and feature flags enable incremental rollout — not all-or-nothing deploys OPS 06 Important
OE3 Operational readiness Component outputs sufficient information for monitoring, alerting, and debugging OPS 08 Important
OE4 Failure anticipation prevent_destroy, create_before_destroy lifecycle rules on appropriate resources OPS 10 Important
OE5 Runbook enablement Outputs include resource IDs, ARNs, and names needed for operational procedures OPS 11 Warning

Read the full file on GitHub · 223 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 · 223 lines · 65 tokens per session scan A 692c4848b911

Subscribe to this mod's changes

cloud-architect is an agent published in the GitHub repository infraspecdev/tesseract (5 stars, last pushed 3mo ago), licensed MIT. It adds 65 tokens to every session and 3,171 once invoked, about $0.0003 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 86% identical to well-architected-reviewer, differing in 21 lines, and is treated as a copy.

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