Individual skill
alchemy-local-dev-loop
Establish a deterministic local EVM development loop with pinned forks, synthetic fixtures, and bounded Alchemy usage. Use when adding local chain tests or repairing flaky fork-based development. Trigger with "Alchemy local dev", "Hardhat fork with Alchemy", or "pin a mainnet fork".
skills/.curated/alchemy-local-dev-loop/SKILL.md
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- testing Derived category
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# Alchemy Deterministic Local Development Loop
## Overview
Establish a deterministic local EVM development loop with pinned forks, synthetic fixtures, and bounded Alchemy usage. This workflow produces a reviewable artifact and negative-path evidence before any live side effect.
## Prerequisites
- Current first-party Alchemy documentation for the selected product, chain, feature, client, authentication method, limit, and lifecycle.
- Named product, application, security, data/privacy, budget, release, and operations owners appropriate to the requested scope.
- Synthetic or approved non-production fixtures, a credential canary, explicit success criteria, and a tested rollback boundary.
## Current Contract
A remote mainnet fork is reproducible only when the chain, block number, dependency versions, and fixture state are pinned. It still consumes account-level throughput and can diverge when historical access, method support, or upstream state is unavailable. Alchemy Sandbox is a separate simulation option and must be evaluated against the required test semantics.