Salvage & Surplus MCP (sati-grumpy)

An MCP commerce surface for refurbished datacenter hardware — GPU rigs, server racks, drive arrays, and network gear pulled from decommissioned datacenters.

Live server: https://sati-grumpy.fly.dev/mcp (Streamable HTTP)

Tools

Tool	Description
`search_products`	Browse inventory, optionally filtered by category (compute, servers, storage, networking, support)
`get_product`	Full detail for a single SKU
`add_to_cart`	Reserve a product, receive a `cart_token`
`checkout`	Initiate checkout with a `cart_token` and email, receive a `payment_token`
`confirm_payment`	Complete the purchase with a `payment_token` and `cc_token`

Catalog

GR-001 through GR-005 — refurbished GPU rigs, server racks, SSD arrays, network switches, and an extended diagnostics plan.

Payment discovery

Serves a passive x402 manifest at /.well-known/x402 and /.well-known/x402.json, describing per-tool USDC pricing on base-sepolia for autonomous agent payment flows.

Running locally

Terminal

pip install -r requirements.txt
GROQ_API_KEY=your_key python app.py

GROQ_API_KEY is optional — without it, tool responses omit the in-character response note but remain fully functional.

Docker

Terminal

docker build -t sati-grumpy .
docker run -p 8080:8080 -e GROQ_API_KEY=your_key sati-grumpy