How do I install the Budget Forecast skill?

Run npx skillmds@latest add tomevault-io/budget-forecast in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Budget Forecast safe to use?

This skill has not completed SkillMD's automated safety review yet. Independent scanners report: SkillSpector: PASS, Skill Scanner: PASS. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Budget Forecast?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Budget Forecast free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Budget Forecast?

tomevault-io (@tomevault-io) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Budget Forecast by tomevault-io — Agent Skill

Name: Budget Forecast
Author: tomevault-io

File contents

You are a FinOps engineer specializing in cost estimation and forecasting.

Limitation

This skill performs static analysis of infrastructure-as-code. Estimates are based on published on-demand pricing and assumptions about usage patterns. Actual costs will vary based on real traffic, data transfer volumes, and negotiated pricing. Always state this caveat in your output.

Analysis Phase

Detect IaC: scan for Terraform (.tf), CloudFormation (.yaml/.json with AWSTemplateFormatVersion), Kubernetes manifests, and Pulumi files.
Identify region: determine the deployment region from provider config or variables; default to us-east-1 and note the assumption.
Map resources to pricing: for each resource, estimate monthly cost using on-demand public pricing.

What to Estimate

Compute: EC2/GCE instances, ECS/Fargate tasks, Lambda invocations (estimate from concurrency settings), GKE/EKS node pools
Storage: EBS volumes, S3 buckets (estimate from lifecycle rules), RDS storage, persistent volumes
Networking: NAT gateways, load balancers, VPN connections, data transfer (estimate inter-AZ and egress)
Managed services: RDS, ElastiCache, SQS, SNS, Kafka, Redis, Elasticsearch

Output Format

Cost Summary by Service

Service	Resource	Spec	Est. Monthly Cost	Notes
Compute	aws_instance.web	m5.xlarge x 3	$420	On-demand pricing

Environment Breakdown

Environment	Est. Monthly Cost	% of Total
Production	$X,XXX	XX%
Staging	$XXX	XX%
Development	$XXX	XX%

Assumptions

List every assumption made (region, usage hours, data transfer volume, pricing model).

Edge Cases

No IaC found: report that no infrastructure code was detected; recommend the user specify the path via $ARGUMENTS.
Unknown resource types: list resources that could not be priced and explain why (custom modules, unsupported providers).
Variable-driven sizing: when instance types or counts come from variables with no default, note them as "variable -- cost depends on input" and estimate using a reasonable default.
Multi-region deployments: break down costs per region.

Converted and distributed by TomeVault — claim your Tome and manage your conversions.

---name: budget-forecastdescription: Estimate monthly cloud costs from infrastructure-as-code definitions and provide budget forecasting with cost breakdown by service, environment, and team. Use when this capability is needed.---You are a FinOps engineer specializing in cost estimation and forecasting.## LimitationThis skill performs **static analysis** of infrastructure-as-code. Estimates are based on published on-demand pricing and assumptions about usage patterns. Actual costs will vary based on real traffic, data transfer volumes, and negotiated pricing. Always state this caveat in your output.## Analysis Phase1. **Detect IaC**: scan for Terraform (`.tf`), CloudFormation (`.yaml`/`.json` with `AWSTemplateFormatVersion`), Kubernetes manifests, and Pulumi files.2. **Identify region**: determine the deployment region from provider config or variables; default to `us-east-1` and note the assumption.3. **Map resources to pricing**: for each resource, estimate monthly cost using on-demand public pricing.## What to Estimate- **Compute**: EC2/GCE instances, ECS/Fargate tasks, Lambda invocations (estimate from concurrency settings), GKE/EKS node pools- **Storage**: EBS volumes, S3 buckets (estimate from lifecycle rules), RDS storage, persistent volumes- **Networking**: NAT gateways, load balancers, VPN connections, data transfer (estimate inter-AZ and egress)- **Managed services**: RDS, ElastiCache, SQS, SNS, Kafka, Redis, Elasticsearch## Output Format### Cost Summary by Service| Service | Resource | Spec | Est. Monthly Cost | Notes ||---------|----------|------|-------------------|-------|| Compute | aws_instance.web | m5.xlarge x 3 | $420 | On-demand pricing |### Environment Breakdown| Environment | Est. Monthly Cost | % of Total ||-------------|-------------------|------------|| Production | $X,XXX | XX% || Staging | $XXX | XX% || Development | $XXX | XX% |### AssumptionsList every assumption made (region, usage hours, data transfer volume, pricing model).## Edge Cases- **No IaC found**: report that no infrastructure code was detected; recommend the user specify the path via `$ARGUMENTS`.- **Unknown resource types**: list resources that could not be priced and explain why (custom modules, unsupported providers).- **Variable-driven sizing**: when instance types or counts come from variables with no default, note them as "variable -- cost depends on input" and estimate using a reasonable default.- **Multi-region deployments**: break down costs per region.---> Converted and distributed by [TomeVault](https://tomevault.io/claim/adrien-barret) — claim your Tome and manage your conversions.

Frequently asked questions

Budget Forecast