aws-scan-apps

A read-only inventory of application-level AWS resources, including container services, serverless functions, load balancers, API gateways, and content-delivery networks.

In plain words
What is it for?
Use it to map an AWS application's entry points and compute services. It saves the raw inventory and a summary table with resource counts, while hiding identifying details from the conversation.
Why use it?
It turns separate AWS resource lists into a view of how public entry points connect to the application services behind them.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/nirecom/agents/aws-scan-apps
Any agent
npx skills add nirecom/agents --skill aws-scan-apps
Clone the repo
git clone --depth 1 https://github.com/nirecom/agents

Made for: Claude Code, Codex.

Per session 32 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 358 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found 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 $0.00032 $0.00358
Opus 5 $0.00016 $0.00179
Sonnet 5 $0.00006 $0.00072
Haiku 4.5 $0.00003 $0.00036

Measured 3d ago against content hash 7629532a211f, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

aws-scan-apps 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 3d 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.

skills/aws-scan-apps/SKILL.md · 35 lines

What it actually says

Procedure

ASA-1. Verify prerequisites. ASA-2. Enumerate (pass --profile $AWS_PROFILE --region $AWS_DEFAULT_REGION):

  • ECS: list-clusters, list-services, describe-task-definition
  • Lambda: aws lambda list-functions
  • ALB/NLB: aws elbv2 describe-load-balancers
  • API GW REST: aws apigateway get-rest-apis
  • API GW HTTP: aws apigatewayv2 get-apis
  • CloudFront: aws cloudfront list-distributions ASA-3. Build topology: entry points (ALB/API GW/CloudFront) → compute (ECS/Lambda). ASA-4. Write raw data to $AWS_STATE_DIR/apps-<YYYYMMDD>.json. ASA-5. Write human-readable summary to $AWS_STATE_DIR/apps-<YYYYMMDD>.md:
  • Topology table: entry point type | backend type | count
  • No ARNs, domain names, or IDs ASA-6. Print: counts by type (no ARNs, domain names, IDs).

Rules

  • Read-only. Domain names, ARNs, IDs must NOT appear in conversation.
  • AccessDeniedException → log to state file, continue.
  • Include region in each state file entry.

Skip Conditions

Skip if $AWS_STATE_DIR/apps-<YYYYMMDD>.json exists and is less than 4 hours old.

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. 3d ago First seen · 35 lines · 32 tokens per session scan A 7629532a211f

Subscribe to this mod's changes

aws-scan-apps is a skill published in the GitHub repository nirecom/agents (3 stars, last pushed 3d ago), licensed MIT. It adds 32 tokens to every session and 358 once invoked, about $0.0002 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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