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What is Seller Assistant MCP Server?

Connect AI assistants to Seller Assistant data and actions directly from chat

The Seller Assistant MCP Server lets an AI assistant work with specific Seller Assistant operations in natural language without code. It is a standalone set of tools covering price-list analysis, product lookups, selling-restriction checks, purchase orders, suppliers, brand analysis, SKU costs and the repricer.

Before you start

You need a Seller Assistant account. Checking selling restrictions and repricing also need a connected Amazon seller account – the rest works without one.

You don't need to create an API key for the sign-in flow in the guides below – you sign in with your Seller Assistant account, and the AI client never sees your password. But you can also connect using your Seller Assistant API key instead – see How to Generate an API Key in Seller Assistant.

Working through the MCP Server uses the same account and the same allowances as the web app and the extension.

Using MCP Server

Ask the assistant in natural language – it selects the right operation, constructs the call, and returns the result directly in chat. What you can do through the MCP server:

  • Account – read the context of the connected account, including the marketplaces available to it.

  • Products – look up a product and its data. When a sales estimate is unavailable, estimated sales are null; a real estimate of 0 stays 0. When an FBA fee or referral fee is missing, that fee is null and fees.amazonFeesAvailable is false. Get Product tells the assistant to show that fee as unavailable when the flag is false.

  • Price List Analyzer – list your price lists, start an analysis, check its status, and get the resulting leads.

  • Restriction Checker – check a single product, start a bulk check, list your checks, follow their status, and get the results.

  • Purchase Orders – find, create and edit purchase orders, including creating one from the leads of a price list or from a supplier's order file.

  • Repricer – list the products being repriced and switch them on or off, list, create, edit, delete and assign strategies, set price limits and MAP, and read history and performance.

  • SKU costs – read and set the costs behind your profit calculations.

  • Suppliers – list and add suppliers, and search for new ones with AI.

  • Brand analysis – start an analysis, list your analyses, and read a result.

  • Product identifiers – save an ASIN and its UPC or EAN as a permanent match for your team.

Available tools:

  • Read-only:

    • Check Price List Status

    • Check Product Restriction

    • Check Restriction Status

    • Check Supplier Search Status

    • Find Purchase Orders

    • Get Account Context

    • Get Brand Analysis

    • Get Next Actions

    • Get Price List Leads

    • Get Product

    • Get Repricer History

    • Get Repricer Performance

    • Get Restriction Check Results

    • Get Supplier Search Results

    • List Brand Analyses

    • List Price Lists

    • List Repricer Products

    • List Repricer Strategies

    • List Restriction Checks

    • List Sku Costs

    • List Supplier Searches

    • List Suppliers
      ​

  • Write/delete:

    • Add Supplier

    • Assign Repricer Strategy

    • Create Purchase Order

    • Create Repricer Strategy

    • Delete Repricer Strategy

    • Edit Purchase Order

    • Edit Repricer Strategy

    • Match Product Identifiers

    • Search Supplier

    • Set Repricer Map Price

    • Set Repricer Product Limits

    • Set Repricer Product Status

    • Set Sku Costs – includes FBM postage, which Repricer uses for profit and price floors of merchant-fulfilled SKUs

    • Start Brand Analysis

    • Start Price List Analysis

    • Start Restriction Check

    • Update Next Action – snooze, hide or restore a next action when you ask

Your assistant asks before it runs anything that writes or deletes.

You can connect any AI assistant that supports the MCP remote server via Streamable HTTP. To set up the MCP server you can read:

Works with AI in Seller Assistant

Price List Analyzer, Repricer, Purchase orders, Suppliers, SKUs, Restriction Checker, Brand Analyzer and AI Supplier Finder have a Works with AI button at the top of the page. Click it to see prompts for that page:

  • If ChatGPT or Claude is connected, you see two prompts. Click Copy, or Open in ChatGPT or Open in Claude to open the app with the prompt filled in.

  • If no AI app is connected yet, you see an example prompt and links to connect ChatGPT or Claude, plus a link for other AI apps.

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In Repricer, rows in the Next actions card have Hand to AI as the first item in their ⋯ menu. It copies a prompt about that row and opens your AI app.

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For a full list of available operations with ready-to-use prompts, read Prompts for Seller Assistant MCP article.

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