VRAMGlass

VRAMGlass MCP Server

Live GPU prices, VRAM requirements and local LLM hardware planning for your AI assistant, from VRAMGlass.

Connect it to Grok Bot, Claude, ChatGPT, Claude Code, Codex, Cursor or any MCP client, then ask in plain language. Answers come from the same data as vramglass.com, with links back to the source.

https://mcp.vramglass.com/mcp

Remote server, Streamable HTTP, read-only. Free; a VRAMGlass account is required.

Developer docs · 简体中文文档 · 日本語ドキュメント · MCP page · Methodology

What you can ask

• "What does an RTX 3090 cost on eBay right now?"
• "How much VRAM does Qwen3.8 27B need at 4-bit with a 32K context?"
• "Which models can a DGX Spark run, and how fast?"
• "Build me a PC for DeepSeek V4 Flash under $5,000."
• "Are used GPU prices going up or down this month?"
• "How much is renting an A100 per hour?"

For example, asked for RTX 3090 prices on October 22, 2026, the server returned a median eBay (US) asking price of $1,799 across 110 listings, ¥8,600 on Xianyu and ¥416,420 on Amazon.co.jp, each with its publish time and a link to the VRAMGlass page.

Connect

With an API key (recommended)

1. Sign up or log in at vramglass.com/login. It's free; an email address is enough.
2. Create a key under Your account → MCP connections. Give it a name, choose how long it stays valid and copy it right away; it is shown only once.
3. Send this to your AI, with YOUR_KEY replaced by your key. Grok Bot, Claude Code, Codex, Manus, WorkBuddy and other assistants that can change their own settings add the server themselves:

    Please add a remote MCP server:
    Name: VRAMGlass
    URL: https://mcp.vramglass.com/mcp
    Header: Authorization: Bearer YOUR_KEY
    Once it's added, try it by checking what an RTX 4090 costs right now.

Manual configuration

Any client needs two things: the server URL and the header Authorization: Bearer YOUR_KEY. Choose HTTP (Streamable HTTP) as the transport.

Claude Code:

claude mcp add --transport http vramglass https://mcp.vramglass.com/mcp --header "Authorization: Bearer YOUR_KEY"

Cursor and other clients that use mcp.json:

{
  "mcpServers": {
    "vramglass": {
      "url": "https://mcp.vramglass.com/mcp",
      "headers": { "Authorization": "Bearer YOUR_KEY" }
    }
  }
}

With OAuth (no key)

Connectors in Claude (web and desktop) and ChatGPT can't take a key, so they sign in instead. Any other client that supports MCP OAuth works the same way.

• Claude: Settings → Connectors → Add custom connector, and paste the server URL.
• ChatGPT: Settings → Apps, turn on developer mode, then create an app with the server URL.

Your client opens the VRAMGlass login page. Log in with an email code or Google (an account is created if you don't have one), check the app name and return address on the consent page, and click Allow. The client renews access by itself; after 30 days without use, or 180 days after you authorized it, you sign in again.

Tools

The assistant picks the right tool by itself; you don't need to remember these names.

All tools are read-only. Results include a page_url and a cite line for attribution.

Keys, access and usage

• A key or an authorized app can only read public price and spec data. It can't see your email, price alerts or watchlist, and it can't change anything in your account.
• Use one key per tool so you can turn each one off separately. Each account can have up to 5 keys, each valid for up to one year.
• Revoke a key or disconnect an app under MCP connections; it stops working within 30 seconds.
• It's free. If you call it too often you'll be rate-limited briefly, then it recovers on its own. For heavy use, email hello@vramglass.com.

Data and citation

• Prices are the median asking price of listings currently for sale, not sold prices. eBay (US), Xianyu (China) and Amazon.co.jp (Japan) are counted separately.
• Prices update every 6 hours. A round with too few valid listings doesn't publish a price.
• When you cite the data, credit "VRAMGlass", link back to the relevant page and state the marketplace and date of each price.
• VRAM and speed figures are planning estimates, not benchmarks. See the methodology.
• Buy and rental links carry VRAMGlass referral parameters. The price you pay stays the same.

About this repository

This repository holds the documentation and the MCP Registry metadata (server.json) for the hosted VRAMGlass MCP server. The server runs on VRAMGlass infrastructure; its source code is not published here, and there is nothing to install.

The server is listed in the official MCP Registry as com.vramglass/mcp, verified through the vramglass.com domain.

• Questions and data corrections: hello@vramglass.com
• Documentation issues: open an issue
• Security reports: see SECURITY.md
• Embeddable price cards for websites: vramglass/widgets

The contents of this repository are licensed under MIT. The hosted service and its data are provided under the VRAMGlass terms, separately from this license.