claude code plugin · react native
The autonomous performance engineer for React Native.
One input, zero human interaction, flabbergasting performance improvements. Every gain it reports is one it measured.
propose
measure
keep / revert
a fix survives only if improvement > max(min_effect, k·σ)
live demos
01
Perf Map 3D
bluesky's social-app, statically scanned and drawn as a force-graph you can fly through.
Node size = perf debt, color = severity. Click a hotspot for the flaw,
its file:line, and the matching fix guide.
Live Run Report
The dashboard a run writes as it works: baseline, each iteration's KEEP or REVERT
against the noise band, and the metric's trajectory. This sample run kept 3 of 5
fixes for −356 ms (−30%) net.
install
# in Claude Code
/plugin marketplace add xavi-999/metrognome
/plugin install metrognome