Add Amplitude EU endpoint option (#7)

Add amplitude-eu MCP server configuration for EU users alongside
the existing US endpoint in data, marketing, and product-management.

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

Author: smnbss

data/.mcp.json

@@ -20,6 +20,10 @@
       "type": "http",
       "url": "https://mcp.amplitude.com/mcp"
     },
+    "amplitude-eu": {
+      "type": "http",
+      "url": "https://mcp.eu.amplitude.com/mcp"
+    },
     "atlassian": {
       "type": "http",
       "url": "https://mcp.atlassian.com/v1/mcp"

marketing/.mcp.json

@@ -20,6 +20,10 @@
       "type": "http",
       "url": "https://mcp.amplitude.com/mcp"
     },
+    "amplitude-eu": {
+      "type": "http",
+      "url": "https://mcp.eu.amplitude.com/mcp"
+    },
     "notion": {
       "type": "http",
       "url": "https://mcp.notion.com/mcp"

product-management/.mcp.json

@@ -36,6 +36,10 @@
       "type": "http",
       "url": "https://mcp.amplitude.com/mcp"
     },
+    "amplitude-eu": {
+      "type": "http",
+      "url": "https://mcp.eu.amplitude.com/mcp"
+    },
     "pendo": {
       "type": "http",
       "url": "https://app.pendo.io/mcp/v0/shttp"