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