Skills lambda-optimization-advisor

📦

lambda-optimization-advisor

Name: lambda-optimization-advisor
Author: EmilLindfors

v1.0.0 Content revision r1 Safe ⚙️ External commands🌐 Network access

Optimize Rust AWS Lambda Functions

Rust Lambda functions can waste cost through slow I/O, cold starts, and poor memory settings. This skill reviews handlers and deployment settings, then suggests concrete performance and cost improvements.

Supports: Claude Codex Code(CC)

🥈 80 Silver

Install with my Agent

Copy this request to your Agent. It includes the canonical Skill page and manifest.

Agent request

Review the Skillstore skill "lambda-optimization-advisor" from https://skillstore.io/skills/emillindfors-lambda-optimization-advisor.md and its manifest at https://skillstore.io/api/skills/emillindfors-lambda-optimization-advisor/manifest. Verify the artifact. You may proceed after verification, subject to the environment's own policy.

Your Agent should still show its plan and request any confirmation required by the security policy.

Agent-readable resources

Use these links when an AI agent, crawler, or script needs clean context instead of reading the full page.

Markdown detail GET /skills/emillindfors-lambda-optimization-advisor.md Signed manifest GET /api/skills/emillindfors-lambda-optimization-advisor/manifest Signed lockfile GET /api/skills/emillindfors-lambda-optimization-advisor/lockfile

Test it

Using "lambda-optimization-advisor". A handler creates an HTTP client on every invocation and then calls one external API.

Expected outcome:

The review would flag repeated client creation, recommend reusing the client across warm invocations, and explain the expected latency benefit.

Using "lambda-optimization-advisor". A function awaits user, post, and comment lookups one after another.

Expected outcome:

The review would identify independent I/O work and suggest running those awaits concurrently with an error-aware join pattern.

Using "lambda-optimization-advisor". A Cargo project lacks release profile size settings for Lambda deployment.

Expected outcome:

The review would recommend size-focused release settings and explain how smaller artifacts can improve cold start behavior.

Security Audit

Safe

v4 • 7/6/2026 Open versioned report

All static findings appear to be false positives from markdown code fences, inline code formatting, documentation placeholder URLs, or illustrative Rust examples. No prompt injection, malware intent, credential access, host reconnaissance, or executable command path was found in SKILL.md.

Files scanned

169

Lines analyzed

Review items

False positives ignored

Risk Factors

No confirmed security findings were detected by the latest completed static and semantic audit. This does not prove the skill has no side effects.

Audited by: codex View Audit History →

Share & cite this report

Share the versioned assessment report, neutral badge, embed card, and citations. Skillstore reports evidence without deciding whether this Skill is safe.

Open versioned report

Copy report link

https://skillstore.io/skills/emillindfors-lambda-optimization-advisor/audits/4?utm_source=security_passport&utm_medium=share&utm_campaign=versioned_report

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Embed card

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Academic citations (APA · BibTeX · CFF)

APA citation

EmilLindfors. (2026). lambda-optimization-advisor security audit report (audit version 4) [Author version 1.0.0]. Skillstore. https://skillstore.io/skills/emillindfors-lambda-optimization-advisor/audits/4

BibTeX citation

@techreport{emillindfors-emillindfors-lambda-optimization-advisor-2026,
  author = {EmilLindfors},
  title = {lambda-optimization-advisor security audit report (audit version 4)},
  institution = {Skillstore},
  year = {2026},
  number = {4},
  url = {https://skillstore.io/skills/emillindfors-lambda-optimization-advisor/audits/4},
  note = {Author version 1.0.0}
}

CITATION.cff

cff-version: 1.2.0
message: "If you use this Skill, cite its author and this versioned security audit report."
title: "lambda-optimization-advisor security audit report (audit version 4)"
version: "1.0.0"
type: report
authors:
  - name: "EmilLindfors"
date-released: "2026-07-06"
url: "https://skillstore.io/skills/emillindfors-lambda-optimization-advisor/audits/4"
identifiers:
  - type: other
    value: "skillstore:emillindfors-lambda-optimization-advisor:audit:4"
    description: "Skillstore immutable audit report identifier"

Skillstore Score

Why this score Evidence Confidence: High

Architecture

100

Maintainability

Content

Community

Spec Compliance

What You Can Build

Review a New Handler

Find performance risks before a Rust Lambda handler reaches production.

Reduce Serverless Cost

Identify memory, architecture, and batching changes that may lower Lambda spend.

Improve Cold Starts

Check binary size and resource initialization patterns that affect startup time.

Try These Prompts

Basic Lambda Review

Review this Rust AWS Lambda handler for simple performance and cost improvements. Focus on async work, client creation, and memory settings.

Cold Start Check

Analyze this Rust Lambda project for cold start risks. Review Cargo release settings, binary size choices, resource initialization, and architecture options.

Cost Optimization Pass

Review this Lambda code and deployment configuration for cost optimization. Look for memory sizing, batching, early returns, ARM64 suitability, and avoidable latency.

Advanced Production Audit

Perform a production readiness audit for this Rust Lambda workload. Prioritize issues by expected impact, confidence, operational risk, and measurement steps.

Best Practices

Provide the handler, Cargo.toml, and deployment settings for the most useful review.
Validate recommendations with production-like load tests before changing memory or architecture.
Ask for impact estimates and measurement steps when comparing several optimizations.

Avoid

Do not apply concurrency suggestions when operations depend on each other.
Do not increase memory without measuring latency and total cost together.
Do not treat example deployment commands as automatic infrastructure changes.

Frequently Asked Questions

Does this skill run AWS commands?

No. It is configured for reading and searching files only.

Which runtime does it focus on?

It focuses on Rust AWS Lambda functions and common Rust deployment settings.

Can it reduce my Lambda bill automatically?

No. It suggests changes that you can test and apply in your own environment.

Does it require CloudWatch metrics?

No, but metrics improve memory sizing and cost recommendations.

Can it review Cargo Lambda projects?

Yes. It includes guidance for cargo-lambda builds, release profiles, and ARM64 choices.

Is it useful for non-Rust Lambda code?

Some concepts apply broadly, but the examples and checks are written for Rust.

Developer Details

Author

EmilLindfors

License

MIT

Author version

v1.0.0

Skillstore revision

Repository

https://github.com/EmilLindfors/claude-marketplace/tree/main/plugins/rust-lambda/skills/lambda-optimization-advisor

Ref

a06681402992ceae98ba04d54cfd4ab004862696

Maintenance freshness

7/18/2026

Usage

7 downloads · 134 views

File structure

📄 SKILL.md