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MCP Walmart Ads MCP Server

MCP server for [Walmart Connect Ads APIs](https://developer.walmart.com/advertising-partners) — Sponsored Search and Display.

Local serverstdioPython

What is the MCP Walmart Ads MCP Server?

MCP server for Walmart Connect Ads APIs — Sponsored Search and Display.

What you get

  • Spec-driven discovery — — list/describe endpoints from bundled OpenAPI specs, refreshable at runtime
  • Any endpoint — — call by operation id or raw method+path (raw path reaches unpublished endpoints); no code changes when APIs evolve
  • Supports both Sponsored Search and Display API families
  • Multi-region, multi-environment (production + staging) via config file
  • Per-request RSA-SHA256 signing with automatic header construction
  • Large responses truncated with full data available via MCP resource URI

Configuration and credentials

  • Python 3.13+ - Walmart Connect Partner Network credentials (consumer ID, RSA key pair, bearer token)

More MCP options

Compare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.

Maintainer setup documentation.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

ToolWhat it does
list_endpointsList operations from the bundled OpenAPI spec for an ad_type, with optional filters.
describe_endpointReturn one operation plus the components.schemas reachable from it (its $ref closure), so request bodies and responses can be built without the full spec.
call_endpointExecute any Walmart Connect Ads API endpoint. Identify it by operation_id, or by raw method + path. Raw method+path also reaches alpha/beta/unpublished endpoints that are not in the bundled specs. The server handles RSA-
refresh_specsRe-fetch the bundled OpenAPI specs from ReadMe's public api-registry into a user cache (~/.cache/mcp-walmart-ads/specs/) that takes precedence over the bundled copy.
download_display_snapshotDownload a display snapshot file (report or entity). Display snapshot URLs require authenticated requests, so this tool handles the signing automatically. Use the full download URL from the details field after polling a

How to install the MCP Walmart Ads MCP Server

{
  "mcpServers": {
    "walmart-ads": {
      "command": "uvx",
      "args": ["mcp-walmart-ads"]
    }
  }
}

Configuration as documented by the project. Restart the client after saving.

Configuration

  • Python 3.13+ - Walmart Connect Partner Network credentials (consumer ID, RSA key pair, bearer token)

Example prompts to try

  • “Use MCP Walmart Ads to list endpoints.”
  • “Use MCP Walmart Ads to describe endpoint.”
  • “Use MCP Walmart Ads to call endpoint.”

Frequently asked questions

MCP server for [Walmart Connect Ads APIs](https://developer.walmart.com/advertising-partners) — Sponsored Search and Display. Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.

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