Agent Toolkit for AWS is a collection of AWS-supported MCP servers, skills, plugins, commands, and hooks that help AI coding agents build, deploy, and manage applications on AWS. It is used by developers working with AWS services through agents such as Claude Code, Codex, Cursor, and Kiro. The catalogue entries are the toolkit's own agent extensions for AWS development and operations.
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.
npx skills add aws/agent-toolkit-for-aws --skill aws-cdkgit clone --depth 1 https://github.com/aws/agent-toolkit-for-awsWrote 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.
[](https://agentmods.dev/skills/aws/agent-toolkit-for-aws/aws-cdk)<a href="https://agentmods.dev/skills/aws/agent-toolkit-for-aws/aws-cdk"><img src="https://agentmods.dev/badge/skills/aws/agent-toolkit-for-aws/aws-cdk/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.
<a href="https://agentmods.dev/skills/aws/agent-toolkit-for-aws/aws-cdk"><img src="https://agentmods.dev/badge/skills/aws/agent-toolkit-for-aws/aws-cdk.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- Socket pass
- Snyk pass
- NVIDIA SkillSpector warn
SkillSpector: 2 findings, up to medium
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- medium MCP Rug Pull · line 46 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 53 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00083 | $0.02147 |
| Opus 5.5 | $0.00033 | $0.00859 |
| Sonnet 5.5 | $0.00017 | $0.00429 |
| Haiku 4.5 | $0.00008 | $0.00215 |
Grade C, and why
aws-cdk scanned grade C with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Recursive force deletehighDestructive command
rm -rf with a variable or a broad path is one typo away from removing the wrong tree.
| **ConcurrentReadLock / ConcurrentWriteLock** | `rm -rf cdk.out` then re-run. Parallel CI: `--output ./cdk.out.$BUILD_ID`. [Details](references/troubleshooting-synth.md) | How it starts
The opening of the file, as written. The whole thing — 88 lines — stays where its author put it; the contents beside it link to each section on GitHub.
AWS CDK
Overview
Domain expertise for CDK construct authoring, deployment workflows, compliance, drift, importing resources, safe refactoring, and troubleshooting CDK CLI / CloudFormation errors.
When NOT to use: Raw CloudFormation YAML/JSON. SAM. Terraform/Pulumi. CI/CD beyond CDK Pipelines. Use builtin knowledge or specialized skills for these.
Critical Warnings
Deadly embrace: Removing a cross-stack reference deadlocks deployment (Export ... cannot be deleted as it is in use by ...). Preferred fix: weaken the reference first — CrossStackReferences.of($RESOURCE).produce(ReferenceStrength.BOTH) then WEAK, then remove (three deploys). Legacy fallback: two-deploy this.exportValue() recipe. See troubleshooting-deployment.
Construct ID changes cause replacement: Renaming/moving a construct changes its logical ID → CloudFormation replaces the resource (data loss for stateful resources). Always cdk diff before deploy. See refactor-and-prevent-replacement.
UPDATE_ROLLBACK_FAILED: Stack is stuck. Fix with cdk rollback $STACK or cdk rollback $STACK --orphan <LogicalId>. Express mode stacks are the exception — they cannot be rolled back at all. See troubleshooting-deployment.
Hotswap and express mode are development-only: --hotswap / --hotswap-fallback bypass CloudFormation and create drift on purpose; --express reports success before resources stabilize and disables automatic rollback. You MUST NOT use either in production. A failed --express deployment cannot be rolled back — recover by rolling forward with another --express deploy. See fast-deployments.
Non-empty S3 buckets persist after destroy: You MUST set both removalPolicy: DESTROY and autoDeleteObjects: true. Versioned buckets are worse — delete markers persist even after apparent deletion.
What ships with it
10 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
- references/bootstrap-and-project-setup.md 8.0 KB
- references/compliance-and-drift.md 5.2 KB
- references/construct-patterns.md 10 KB
- references/fast-deployments.md 13 KB
- references/import-and-migrate.md 6.3 KB
- references/refactor-and-prevent-replacement.md 6.2 KB
- references/troubleshooting-credentials.md 5.8 KB
- references/troubleshooting-deployment.md 13 KB
- references/troubleshooting-synth.md 8.8 KB
- references/v1-to-v2-migration.md 3.2 KB
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.
- 1mo ago Changed · +14 lines · -1 tokens per session af178f8e909e
- 1mo ago First seen · 74 lines · 84 tokens per session scan C 5b425a0a5fb4
aws-cdk is a skill published in the GitHub repository aws/agent-toolkit-for-aws (3,205 stars, last pushed 2d ago), licensed Apache-2.0. It adds 83 tokens to every session and 2,147 once invoked, about $0.0003 per session on Opus 5.5. A static security scan graded it C with 1 finding (recursive force delete). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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