Skip to content
Official MCP RegistryListed

MarvinLabs vram_fit

Will a QLoRA fine-tune of gemma-3-4b-it fit your GPU? Verdicts from measured AMD and NVIDIA probes.

First seen 25 Oct 2026. Evidence as of 25 Oct 2026.

3
Tools
From an anonymous probe
1
Source listings
Each with its own history
1
Recorded changes
Since first seen

Tools

ToolDescriptionBehaviour
vram_fitWill this LoRA config train on a card with vram_gb GB? Returns verdict fits / tight / does_not_fit, the predicted peak in MB, the margin, how each part was derived, and any measured probe with the same settings.Read-only
vram_max_rankLargest LoRA rank (multiple of 8) that fits with margin on a card with vram_gb GB, and the largest that is tight (a real run may fit, the one-step probe would not).Read-only
vram_probesThe raw measured probe rows (RX 7900 XTX and RTX 3060 Ti), filtered by any of the given settings. gpu matches part of the card name, e.g. '7900' or '3060'.Read-only

Change history

  1. Listed (registry)
Source listings
SourceListingFirst seenLast seenVersions
Official MCP Registryorg.marvinlabs/vram-fit25 Oct 202625 Oct 20261