Context Window Supply MCP Server

by contextwindowsupply Your server? Claim it

answering

Context Window Supply is answering right now. Last checked 12 min ago. It exposes 5 tools.

Browse merch for AI builders, get US shipping quotes, and create Stripe checkout links.

Uptime history 26 hours of history

26 hours agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

657 ms

Response time

average over 24h

open, no key

Access

streamable-http

What changed 1

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 16 October 2026. No other catalogue keeps this.

16 Oct a tool appeared request_refund

Nothing serious here today

Today is the operative word: we check Context Window Supply every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 12 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add store --transport http https://contextwindowsupply.com/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "store": {
      "url": "https://contextwindowsupply.com/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.store]
url = "https://contextwindowsupply.com/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "store": {
      "url": "https://contextwindowsupply.com/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "store": {
      "url": "https://contextwindowsupply.com/mcp"
    }
  }
}

Available tools 5

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

checkout

create_checkout_link

Checkout is live. Creates a Stripe checkout link for the order that a person opens and pays on Stripe. This tool charges nothing by itself. US shipping only. Never send card details to this server.

product

get_product

Get one product with sizes, colors and price. Read-only.

products

search_products

Search Context Window Supply merch (tees, hoodies, stickers for AI builders). Read-only.

request

request_refund

Files a refund request for a past order. It only files a request: a person reviews it and replies by email. It never refunds anything by itself and never takes card details, so never send card numbers. Needs the order email, the Stripe receipt number or order number, and a reason.

shipping

get_shipping_quote

Subtotal, shipping and total for US delivery. Read-only. Rates per item, first/each extra: tee $4.95/$2.25, hoodie $8.95/$2.5, sticker sheet $3.95/$1.95.

Endpoints

URL	Transport	State	Latency	Checked
https://contextwindowsupply.com/mcp	streamable-http	answering	1139 ms	12 min ago

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Context Window Supply — questions

Answers built from our own checks of this server.

What can Context Window Supply do?

It exposes 5 tools, read directly from the server on our last check. Among them: create_checkout_link, get_product, get_shipping_quote, request_refund, search_products. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Context Window Supply working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 657 ms. The bar chart above shows every period we have measured.

How do I connect Context Window Supply?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Context Window Supply need an API key?

No. Context Window Supply completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 5 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Context Window Supply?

It answers our handshake in 657 ms on average, which is faster than 15% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.