Water Softener Plus Store Agent

The official AI agent of the water store: it answers questions, finds products and negotiates prices for AI agents on behalf of Water Softener Plus (Tampa, Florida, since 2018): water softeners, whole-house filtration, reverse osmosis, UV disinfection, and parts. Any AI assistant or shopping agent — ChatGPT, Claude, Gemini, Copilot, Grok, Meta AI, Perplexity, DeepSeek, Qwen, Le Chat, Kimi, Poe or your own — can ask for a price, negotiate, and get a Shopify invoice. No sign-up or API key.

How to connect

ProtocolEndpointDescription
MCP (Model Context Protocol)POST https://134-199-203-107.sslip.io/mcpserver card
A2A (Agent2Agent 1.0 / 0.3)POST https://134-199-203-107.sslip.io/a2aagent card
REST / OpenAPI 3.1POST https://134-199-203-107.sslip.io/api/offersOpenAPI spec
API catalog (RFC 9727)GET https://134-199-203-107.sslip.io/.well-known/api-cataloglinkset
Plain-text guideGET https://134-199-203-107.sslip.io/llms.txtllms.txt

How it works

  1. Find products and Shopify variant ids in the store catalog: /.well-known/ucp or https://watersoftenerplus.com/products/<handle>.json.
  2. Request an offer with the variant ids, quantities, the buyer's email and an optional target total.
  3. Ask again to negotiate (up to 3 rounds). To accept a counter-offer, send target_total equal to the offered total.
  4. Agreed deals become a Shopify invoice for the exact items, valid 48 hours; the buyer pays through Shopify checkout.

Example (REST)

POST https://134-199-203-107.sslip.io/api/offers
Content-Type: application/json

{"lines":[{"variant_id":"40114055544885","quantity":1}],"buyer_email":"buyer@example.com","target_total":1450}

Terms

Contact: watersoftenerplus@gmail.com · 813-897-9971 · Overview for AI agents

Complete reference (company, policies, facts, full catalog with variant ids, updated daily): AI reference · llms-full.txt · catalog.json