sati grumpy

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