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-sms-voicegit 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-sms-voice)<a href="https://agentmods.dev/skills/aws/agent-toolkit-for-aws/aws-sms-voice"><img src="https://agentmods.dev/badge/skills/aws/agent-toolkit-for-aws/aws-sms-voice/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-sms-voice"><img src="https://agentmods.dev/badge/skills/aws/agent-toolkit-for-aws/aws-sms-voice.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00197 | $0.02237 |
| Opus 5 | $0.00098 | $0.01118 |
| Sonnet 5 | $0.00039 | $0.00447 |
| Haiku 4.5 | $0.00020 | $0.00224 |
Grade A, and why
aws-sms-voice 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 2d 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.
How it starts
The opening of the file, as written. The whole thing — 149 lines — stays where its author put it; the contents beside it link to each section on GitHub.
AWS End User Messaging — SMS, Voice, RCS & Notify
Overview
AWS End User Messaging SMS and Voice (the pinpoint-sms-voice-v2 API) is the
control and data plane for SMS, Voice, RCS Business Messaging, and Notify (OTP).
This skill covers the two fastest onboarding paths — each reaches
a real message on a real phone in about five minutes, with no phone-number
purchase and no carrier registration:
- Create an RCS test agent and send your first branded message — a branded RCS Business Messaging agent, a verified test device, and a rich outbound + inbound message. See references/hello-rcs-test-agent.md.
- Send an OTP with Notify — a one-time-passcode text through AWS-managed sending identities and pre-approved templates. See references/hello-notify-otp.md.
Beyond onboarding, this skill takes an identity to production registration in three steps:
- Find which registration a country requires — discover the registration type and its live field set for a target country and identity type, reconciled with the official docs. See references/registration-requirements-by-country.md.
- Run the registration lifecycle — the universal engine (create, derive fields, fill, submit, poll, recover from denial, resubmit) shared by every registration type, including RCS country launch. See references/registration-core-engine.md.
- Take an identity to production — exit the SMS sandbox, launch RCS in a country with carrier monitoring and SMS fallback, upgrade Notify to Advanced, and apply production hygiene (keywords, configuration sets, protect configurations). See references/customer-go-to-production-guide.md.
Guardrail — where this skill's files live (MCP vs local install)
This skill can be loaded two ways, and the references/ files resolve differently:
What ships with it
5 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.
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.
- 2d ago First seen · 149 lines · 197 tokens per session scan A 2f786a5ba20e
aws-sms-voice is a skill published in the GitHub repository aws/agent-toolkit-for-aws (2,569 stars, last pushed yesterday), licensed Apache-2.0. It adds 197 tokens to every session and 2,237 once invoked, about $0.0010 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-08.
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