Shopify MCP server HTTP 500 error

Shopify Discussion

Topic summary

Users experienced HTTP 500 errors when connecting AI agents to Shopify stores via the Shopify Storefront MCP server. The issue affected multiple stores simultaneously, though some stores continued working normally.

Troubleshooting attempts included:

  • Implementing exponential backoff
  • Using access tokens
  • Testing across different stores
  • Using minimal request scope with default examples

Timeline:

  • Friday: System working normally
  • Weekend: HTTP 500 errors began appearing
  • Later: Issue appears to have resolved

The problem seemed to be server-side rather than configuration-related, as multiple users reported identical issues during the same timeframe. The original poster requested official confirmation from Shopify about whether this was an internal server issue or store-specific problem, but no official response is documented in the thread.

Summarized with AI on October 27. AI used: claude-sonnet-4-5-20250929.
1

Hello,

I’m using the Shopify Storefront MCP server to connect my AI agent to the Shopify stores.

It was working fine, but I suddenly started receiving HTTP 500 errors on multiple stores.

Is there something I might be missing?

Here is an example request that returns a 500 error:

HTTP POST: https://burton-snowboard.myshopify.com/api/mcp

Body: {
    "method": "tools/list",
    "jsonrpc": "2.0",
    "id": 1,
    "params": {}
}
2

Hi, thanks for the reply.

I already tried and implemented a lot of these things:

I can’t find any information related to rate limits, blocking, or throttling. Also, this was working on Friday, and now it does not work.

Any other ideas?

3

Same problem here. I guess there must have been an internal problem with the server. On Friday it was working

4

I don’t see the issue anymore.

Can someone from Shopify please confirm if there was an issue on the Shopify side or if there is something regarding these specific stores?

1 Like