A technical advisor skill for designing interruption-resilient EC2 Spot instance strategies and fallback configurations based on infrastructure data.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install spot-strategy
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install spot-strategy using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is AWS Spot Instance Strategy Builder?
The AWS Spot Instance Strategy Builder is a specialized tool within the library of Openclaw Skills designed to help DevOps engineers and cloud architects significantly reduce EC2 spending without compromising application availability. By analyzing your existing instance inventory and workload types, this skill provides a data-driven roadmap for implementing Spot instances safely across your environment. It focuses on diversification and risk mitigation, ensuring that your infrastructure remains stable even during high-reclamation periods in the AWS cloud.
This skill is built with a security-first approach, operating as an instruction-only expert. It never asks for AWS credentials or direct API access. Instead, it guides users through gathering necessary data via read-only CLI commands and interprets that data to generate professional-grade recommendations, including Auto Scaling Group configurations and Karpenter NodePool manifests. Using Openclaw Skills like this allows for deep technical analysis while maintaining strict control over your environment.
AWS Spot Instance Strategy Builder Use Cases
- Designing cost-optimized Spot fleets for stateless web applications and microservices.
- Planning fallback architectures to ensure On-Demand availability when Spot capacity is reclaimed.
- Auditing existing EC2 usage to identify candidates for Spot instance diversification.
- Generating production-ready Karpenter configuration YAML for EKS clusters.
How AWS Spot Instance Strategy Builder Works
- The user provides exported JSON data from AWS CLI commands regarding current instances, ASG configurations, and cost usage.
- The skill classifies workloads into fault-tolerant (Spot-safe) and stateful (Spot-unsafe) categories.
- It identifies a minimum of three instance families per workload to ensure sufficient diversification.
- The system applies Spot placement score heuristics to evaluate interruption risk per instance type and region.
- It generates a comprehensive strategy including allocation strategies, fallback chains, and infrastructure-as-code snippets.
AWS Spot Instance Strategy Builder Setup
To utilize this skill effectively within Openclaw Skills, you must provide read-only data from your AWS environment. No account integration is required.
Run the following command to export your current instance inventory:
aws ec2 describe-instances --query 'Reservations[].Instances[].{ID:InstanceId,Type:InstanceType,State:State.Name,AZ:Placement.AvailabilityZone}' --output json
For cost analysis, run:
aws ce get-cost-and-usage --time-period Start=2025-01-01,End=2025-03-01 --granularity MONTHLY --filter '{"Dimensions":{"Key":"SERVICE","Values":["Amazon EC2"]}}' --group-by '[{"Type":"DIMENSION","Key":"USAGE_TYPE"}]' --metrics BlendedCost
Paste the outputs into the chat to begin the strategy design.
AWS Spot Instance Strategy Builder Data Schema & Taxonomy
The skill processes your input to generate a structured optimization report organized as follows:
| Component | Description |
|---|---|
| Workload Matrix | A table mapping services to Spot-eligibility based on statefulness and fault tolerance. |
| Spot Fleet Recs | Recommended instance families, Availability Zones, and allocation strategies (e.g., capacity-optimized). |
| Interruption Risk | Heuristic analysis of interruption frequency per instance type. |
| Fallback Chain | A logical flow defining the transition from Spot to On-Demand or Savings Plans. |
| IaC Templates | Auto Scaling Group or Karpenter NodePool YAML configurations. |
AWS Spot Instance Strategy Builder Advanced Features
- Multi-family diversification logic to protect against specific instance type shortages.
- Capacity-optimized allocation strategy recommendations to prioritize uptime over minor price fluctuations.
- Graceful shutdown and checkpointing pattern guidance for specific application types.
- Support for EKS-specific scaling via automated Karpenter NodePool generation.
SKILL.md
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