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Old Grumpy Guys
We're just a couple of Old Grumpy Guys who are tired of what's going on, and we're going to telling you what we feel about all this Crazy Sh!t.
https://oldgrumpyguys.com/Opens ChatGPT on the web or desktop and asks it to use the WebMCP tools available here.
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Last probed Sep 18, 2026 · oldgrumpyguys.com
13tools discovered
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Get Checkout
get_checkoutReturns details about the checkout, including line items, totals, and any applicable discounts or taxes. Prices in the response are integers in the currency's ISO 4217 minor units, paired with a currency code: {"amount": 600, "currency": "USD"} is $6.00 and {"amount": 2500, "currency": "USD"} is $25.00. Convert to major units before quoting a price to a buyer (divide by 100 for two-decimal curren
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Directory coverage for brandsWe're just a couple of Old Grumpy Guys who are tired of what's going on, and we're going to telling you what we feel about all this Crazy Sh!t.
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Other MCP servers in this category from the directory index
MCPBundles probed 13 tools on the live server. The tool list on this page reflects what was discovered at the last refresh — connect your client to see the full set available to your session.
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Read FastSpring order and subscription webhook JSON payloads in chat.
4 tools