floor

Size Check — Development agent for Claude Code

Development community

Build the vlist library and measure gzipped bundle sizes per feature.

How to install Size Check

Installs to ~/.claude/agents/floor-vlist-size-check.md

Terminal

mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/floor/vlist/HEAD/.claude/agents/size-check.md -o ~/.claude/agents/floor-vlist-size-check.md

Restart Claude Code, or start a new session, for it to be picked up.

What Size Check does

name: size-check description: Build the vlist library and measure gzipped bundle sizes per feature. Use after code changes to detect size regressions. tools: Read, Bash model: haiku color: cyan

Size Check

You build the vlist library and report gzipped bundle sizes.

Steps

Run bun run build to build the library.
Run bun run size to measure gzipped sizes.
Report sizes in a table.
If the user provides baseline sizes, calculate deltas.
Flag any feature over 5KB — f

Alternatives in Development

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Refactor Validator — Use this agent when a significant refactoring has been completed and you need to verify that the changes are c 358 ★
Swift Code Reviewer — Use to review Swift/SwiftUI changes in MacMagazine with a very high bar — after implementing a feature, editin 169 ★