org.marvinlabs/vram-fit

up checked 2026-11-11T10:38:27.886Z

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Publisher-provided title

MarvinLabs vram_fit

Publisher-provided description

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

Summary by lookupd

Predicts whether a QLoRA fine-tune of a 4B model fits a given GPU's VRAM, returning verdicts, peak memory estimates and max LoRA rank.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http vram-fit https://marvinlabs.org/mcp

Codex, remote (streamable-http)

codex mcp add vram-fit --url https://marvinlabs.org/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "vram-fit": {
      "url": "https://marvinlabs.org/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Publisher-provided text

vram_fit Will 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 deri
vram_max_rank Largest 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 n
vram_probes The 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'.

Shows this live status and links here; updates hourly.

[![lookupd status](https://lookupd.com/badge/org.marvinlabs/vram-fit.svg)](https://lookupd.com/servers/org.marvinlabs/vram-fit)