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 seandkendall/kiro-config --skill amazon-polly-generativegit clone --depth 1 https://github.com/seandkendall/kiro-configWrote 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/seandkendall/kiro-config/amazon-polly-generative)<a href="https://agentmods.dev/skills/seandkendall/kiro-config/amazon-polly-generative"><img src="https://agentmods.dev/badge/skills/seandkendall/kiro-config/amazon-polly-generative/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/seandkendall/kiro-config/amazon-polly-generative"><img src="https://agentmods.dev/badge/skills/seandkendall/kiro-config/amazon-polly-generative.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00024 | $0.01597 |
| Opus 5 | $0.00012 | $0.00798 |
| Sonnet 5 | $0.00005 | $0.00319 |
| Haiku 4.5 | $0.00002 | $0.00160 |
Grade A, and why
amazon-polly-generative 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 10d 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 — 218 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Amazon Polly Generative Voices
Overview
Amazon Polly Generative engine produces the most human-like speech synthesis available on AWS. Use it for podcast-style content where naturalness, expressiveness, and conversational flow are critical.
Available Generative Voices
| Voice ID | Gender | Language | Best For |
|---|---|---|---|
| Matthew | Male | en-US | Conversational, energetic host |
| Ruth | Female | en-US | Warm, articulate host |
| Stephen | Male | en-US | Authoritative, documentary |
| Gregory | Male | en-US | Calm, educational |
| Danielle | Female | en-US | Professional, clear |
API Usage (boto3)
import boto3
polly = boto3.client('polly', region_name='us-east-1')
response = polly.synthesize_speech(
Engine='generative',
OutputFormat='mp3',
SampleRate='24000',
Text='<speak>Hello from the road!</speak>',
TextType='ssml',
VoiceId='Matthew'
)
# Stream audio to S3
audio_stream = response['AudioStream'].read()
SSML for Natural Speech
Basic Structure
<speak>
<prosody rate="medium" pitch="medium">
Welcome back to the show!
</prosody>
<break time="500ms"/>
<prosody rate="slow" pitch="low">
Did you know that this highway was built in 1952?
</prosody>
</speak>
Emphasis and Emotion
<speak>
<emphasis level="strong">Wow</emphasis>, that's incredible!
<break time="300ms"/>
<prosody rate="fast" pitch="high">
I can't believe we're already passing through Banff!
</prosody>
</speak>
Pauses and Pacing
<!-- Between speakers (natural conversation pause) -->
<break time="800ms"/>
<!-- Dramatic pause -->
<break time="1500ms"/>
<!-- Quick interjection pause -->
<break time="200ms"/>
<!-- Paragraph break -->
<break strength="x-strong"/>
Whispering / Soft Speech
<amazon:effect name="soft">
This is a little-known secret about this town...
</amazon:effect>
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.
- 10d ago First seen · 218 lines · 24 tokens per session scan A 51ebb425fc31
amazon-polly-generative is a skill published in the GitHub repository seandkendall/kiro-config (8 stars, last pushed 12d ago), licensed Apache-2.0. It adds 24 tokens to every session and 1,597 once invoked, about $0.0001 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 2026-08-31.
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