Cost optimizer

Skill scoobydont-666/shared-claude-skills/skills/cost-optimizer

10 production-tested Claude Code skills — model routing, security hardening, code quality, tax advisory, cost optimization. Install: clone to ~/.claude/skills/

Install

npx -y skills add scoobydont-666/shared-claude-skills --skill cost-optimizer

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Unified cost awareness across Swarm operations. Claude API model routing, infrastructure electricity/TOU costs, mining profitability, cloud hosting budgets.

SKILL.md

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Cost Optimizer

Three cost dimensions: Claude API, Infrastructure, Cloud Hosting.

1. Claude API Costs

Model Pricing (per million tokens — input/output)

Model	Input	Output	Use For
opus	$5.00	$25.00	Architecture decisions, adversarial review
sonnet	$3.00	$15.00	Default — code edits, analysis
haiku	$1.00	$5.00	Status checks, file reads, git ops

Session-Miser Routing Rules

Start every session on sonnet (default)
Escalate to opus only for: deep reasoning, security review, complex architecture
Delegate to haiku subagents for: search, log tails, file reads, git status, simple transforms
Use effort levels: opus:low is cheaper than full opus for structured tasks

See: session-miser skill for full routing logic. See: token-miser skill for subagent cost controls.

Anti-Patterns (Avoid)

Using Opus for git commits or file reads
Not delegating read-only work to Haiku subagents
Running full sessions on Opus when Sonnet suffices
Skipping effort level specification on Opus calls

Token Tracking via Analytics Tool

# Session cost summary (use your analytics tool)
analytics-tool stats

# Cost by model
analytics-tool cost

# Dashboard (local)
open http://127.0.0.1:<service-port>

# Weekly report
analytics-tool report --period week

See: budi-analytics skill for analytics implementation.

2. Infrastructure Costs

Electricity

TOU rates apply — peak hours cost 2-3x off-peak
Solar offset via Enphase IQ Gateway (<gateway-ip>)
Key metric: solar_net_watts — positive = free electricity (exporting)
When net_watts > 0: run full mining fleet, cost = $0 for that power

Mining Profitability (Hashrate Hedger)

Inputs: XMR spot price, network difficulty, pool hashrate, electricity rate, solar_net_watts
Decision: run full fleet / throttle / pause based on break-even threshold
Infrastructure: pool relay host (P2Pool relay), dedicated miner host (~10.5 KH/s), GPU-capable hosts (GPU-accelerated mining)
Never run mining on relay nodes — they are NOT miners

Service Power Draw (approximate)

System	Draw	Notes
GPU host (idle)	~150W	Dual GPU cards
GPU host (mining)	~400W+	GPU-accelerated RandomX
Relay host	~35W	CPU-only, no discrete GPU
Mining host	~90W	High-performance CPU mining

See: solar-energy skill for TOU and battery pre-positioning. See: crypto-monero-wizard skill for mining profitability formulas.

3. Cloud Hosting — When Required

Projected Year 1 costs (when deployed):

AWS/Azure app hosting: $40-80/mo
Ollama inference stays self-hosted on GPU infrastructure (no cloud cost)
PostgreSQL: RDS ~~$15/mo or self-hosted on GPU infrastructure (~~$0 marginal)
CDN/storage: minimal (<$5/mo at launch volume)

Strategy: maximize self-hosted workloads on local infrastructure before adding cloud spend.

Weekly Cost Review Checklist

session-snitch stats — check session token spend vs prior week
Grafana dashboard — GPU power draw trend
Check solar production vs consumption ratio
Review any cloud services added since last review
Confirm no Opus usage for mechanical tasks (check budi by model)

Related Skills

session-miser — model routing decisions
token-miser — subagent cost enforcement
budi-analytics — token spend dashboards and CLI
solar-energy — electricity offset via solar
crypto-monero-wizard — mining cost/profitability