CtrlK
BlogDocsLog inGet started
Tessl Logo

cost-optimization

Optimize cloud costs through resource rightsizing, tagging strategies, reserved instances, and spending analysis. Use when reducing cloud expenses, analyzing infrastructure costs, or implementing cost governance policies.

Install with Tessl CLI

npx tessl i github:wshobson/agents --skill cost-optimization
What are skills?

Overall
score

81%

Does it follow best practices?

Evaluation98%

1.40x

Agent success when using this skill

Validation for skill structure

SKILL.md
Review
Evals

Evaluation results

100%

39%

AWS Infrastructure Cost Governance Setup

AWS Terraform cost controls

Criteria
Without context
With context

Tag key: Environment

100%

100%

Tag key: Project

100%

100%

Tag key: CostCenter

0%

100%

Tag key: Owner

0%

100%

Tag key: ManagedBy

100%

100%

Tags via locals/merge

100%

100%

S3 transition to STANDARD_IA at 30 days

100%

100%

S3 transition to GLACIER at 90 days

50%

100%

S3 expiration at 365 days

0%

100%

Budget alert at 80%

90%

100%

Budget notification type ACTUAL

100%

100%

Auto-scaling CPU threshold 80

0%

100%

Auto-scaling evaluation_periods = 2

100%

100%

Auto-scaling cooldown = 300

0%

100%

Auto-scaling adjustment = 2

50%

100%

Without context: $0.4071 · 1m 48s · 17 turns · 17 in / 6,456 out tokens

With context: $0.4184 · 1m 37s · 19 turns · 259 in / 5,166 out tokens

100%

47%

Cost-Optimized Architecture for Batch ETL Pipeline and API Platform

Compute pricing strategy and DB sizing

Criteria
Without context
With context

Spot for batch

100%

100%

Spot interruption awareness

38%

100%

Spot + On-Demand mix

100%

100%

Reserved for API tier

100%

100%

Savings Plans option

63%

100%

Dev DB: t3.small

0%

100%

Staging DB: t3.large

0%

100%

Prod DB: r6g.2xlarge with replicas

17%

100%

Serverless for event trigger

100%

100%

Spot savings estimate

38%

100%

Without context: $0.2409 · 1m 29s · 9 turns · 10 in / 4,229 out tokens

With context: $0.3801 · 1m 55s · 15 turns · 63 in / 5,446 out tokens

94%

-1%

Multi-Cloud Cost Optimization Assessment

Multi-cloud cost recommendations

Criteria
Without context
With context

S3 Standard for hot data

100%

100%

S3 Standard-IA at 30 days

100%

100%

S3 Glacier at 90 days

100%

88%

S3 Deep Archive at 365 days

100%

100%

Azure Hybrid Benefit

100%

100%

Azure Hybrid Benefit savings

100%

100%

GCP Committed Use Discounts

100%

100%

GCP CUD savings percentage

67%

100%

GCP Preemptible VMs for batch

100%

88%

GCP Preemptible 24h constraint

63%

50%

AWS tooling

100%

100%

Azure tooling

100%

100%

GCP tooling

100%

100%

Multi-cloud tooling

100%

100%

Without context: $0.2511 · 1m 37s · 9 turns · 9 in / 4,866 out tokens

With context: $0.3964 · 1m 59s · 18 turns · 16 in / 5,873 out tokens

Evaluated
Agent
Claude Code

Table of Contents

Is this your skill?

If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.