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 XyrusCode/ai-sync --skill signing-in-to-awsgit clone --depth 1 https://github.com/XyrusCode/ai-syncWrote 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/xyruscode/ai-sync/signing-in-to-aws)<a href="https://agentmods.dev/skills/xyruscode/ai-sync/signing-in-to-aws"><img src="https://agentmods.dev/badge/skills/xyruscode/ai-sync/signing-in-to-aws/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/xyruscode/ai-sync/signing-in-to-aws"><img src="https://agentmods.dev/badge/skills/xyruscode/ai-sync/signing-in-to-aws.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 | $0.00101 | $0.01549 |
| Opus 5 | $0.00051 | $0.00775 |
| Sonnet 5 | $0.00020 | $0.00310 |
| Haiku 4.5 | $0.00010 | $0.00155 |
Grade A, and why
signing-in-to-aws 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 7d 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.
This is a copy
97% identical to signing-in-to-aws — 11 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.
How it starts
The opening of the file, as written. The whole thing — 106 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Sign In — Get CLI/SDK Credentials
Help developers get AWS credentials for local development using aws login. This provides short-term, auto-rotating credentials that refresh every 15 minutes and remain valid for up to 12 hours.
Important:
- You MUST run
aws loginandaws --versionin the user's local shell — NOT via MCP/API tools. - You MUST ask the user for confirmation before running
aws login. Do not tell the user to run the command themselves — ask if YOU should run it (e.g., "Ready for me to runaws login?" or "Shall I proceed withaws login?"). Wait for their response before proceeding.
Prerequisites
The aws login command requires AWS CLI version 2.32.0 or later.
Check the installed version:
aws --version
If the CLI is not installed or is below 2.32.0, inform the user and ask if they'd like to install/update (link them to the AWS CLI installation guide), or if they'd prefer to continue without this skill's guidance. If they choose to continue without upgrading, respond to their original request as you normally would without this skill.
Flow
Lead with the recommendation
In your first response, always tell the user that aws login is the fix — explain that it provides short-term, auto-rotating credentials and that it requires AWS CLI 2.32.0 or later. Do not stop at "let me check your CLI version" — name the remediation up front so the user knows where this is going, then describe the precondition checks you'll run before invoking it.
Precondition checks (run silently before asking confirmation)
Run these via the local shell to inform your plan. Report what you find, but do not gate the recommendation on user-supplied output:
aws --version— confirm the CLI is 2.32.0 or later. If not installed or too old, point the user to the AWS CLI installation guide and stop.aws sts get-caller-identity— check current credentials.- Succeeds: Show the user their Account and Arn. Ask whether to keep these or set up different credentials. If they want to switch, recommend
aws login --profile <name>so the existing default isn't overwritten. - Fails (missing or expired): proceed with
aws loginon the default profile.
- Succeeds: Show the user their Account and Arn. Ask whether to keep these or set up different credentials. If they want to switch, recommend
- (Only if Step 2 succeeded and the user wants different credentials)
aws configure list— ifaccess_keystarts withAKIA, explain that long-term access keys are less secure (never expire, persist on disk as secrets, grant indefinite access if leaked) and thataws loginprovides short-term credentials that auto-rotate every 15 minutes, expire automatically, and require no manual rotation.
What ships with it
1 file 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.
- 7d ago First seen · 106 lines · 101 tokens per session scan A 9fecdf124113
signing-in-to-aws is a skill published in the GitHub repository XyrusCode/ai-sync (2 stars, last pushed yesterday), licensed MIT. It adds 101 tokens to every session and 1,549 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. It is 97% identical to signing-in-to-aws, differing in 11 lines, and is treated as a copy.
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