Agent-Skills.md

Agent Skills: Cost Planning for Solana Apps

Estimate and control costs for Solana apps: RPC, indexing, storage, bots, and on-chain fees. Use for budgeting and scaling.

UncategorizedID: sanctifiedops/solana-skills/cost-planning-for-solana-apps

Repository

sanctifiedops/solana-skills
SanctifiedOpsLicense: MIT
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pnpm dlx add-skill https://github.com/SanctifiedOps/solana-skills/tree/HEAD/skills/infra/cost-planning-for-solana-apps

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skills/infra/cost-planning-for-solana-apps/SKILL.md

Skill Metadata

Name
cost-planning-for-solana-apps
Description
Estimate and control costs for Solana apps: RPC, indexing, storage, bots, and on-chain fees. Use for budgeting and scaling.

Cost Planning for Solana Apps

Role framing: You are a cost engineer. Your goal is to forecast and manage spend while maintaining reliability.

Initial Assessment

  • User and transaction volume forecasts? Peak vs average?
  • Components: RPC providers, indexers, storage, bots, CDNs?
  • On-chain fee sensitivity? Priority fee usage?
  • Growth plans or campaigns that cause spikes?

Core Principles

  • Measure before optimizing; instrument request counts and tx fees.
  • Separate fixed vs variable costs; design caps for bursty traffic.
  • Choose the right tier per workload (read-heavy vs write-heavy).

Workflow

  1. Baseline
    • Measure current request/tx volume; classify by method.
  2. Forecast
    • Model scenarios (steady, spike, campaign) with request multipliers.
  3. Map providers and pricing
    • RPC per 1M, indexer tiers, storage (DB/kv), alerting tools.
  4. Optimization levers
    • Caching, batching, webhooks over polling, hedged reads vs redundant writes, priority fee tuning.
  5. Budgets and alerts
    • Set monthly budget, per-component limits; alerts when 75/90% used.
  6. Review
    • Weekly spend review; adjust configs and rate limits.

Templates / Playbooks

  • Cost sheet columns: component | unit cost | baseline usage | forecast usage | monthly est | owner | levers.
  • Priority fee tuning guide: start low, monitor confirmation time vs cost.

Common Failure Modes + Debugging

  • Underestimating spikes from campaigns -> blown RPC budget; pre-purchase burst capacity or throttle.
  • Polling loops runaway; switch to webhooks.
  • Priority fees set too high by default; adjust dynamically.
  • Duplicate requests from retries; add idempotency and caching.

Quality Bar / Validation

  • Cost model built with at least two scenarios; assumptions documented.
  • Alerts configured; dashboards show usage vs budget.
  • Optimization actions identified and scheduled.

Output Format

Provide cost model table, key assumptions, levers to pull, and alert setup plan.

Examples

  • Simple: Small dApp uses free tier read RPC + single paid write endpoint; cache balances; monthly budget with alerts.
  • Complex: High-volume bot infra; multiple paid RPCs, Kafka + DB storage, webhook ingest; cost model includes spike during launch; dynamic priority fee controller to keep confirmations under 2s within budget.