Invalid input: expected record, received array

[samithawiththige]

Server

observability-mcp

What did you do?

When using @google-cloud/observability-mcp@latest with Gemini CLI, certain tool calls (e.g. list_metric_descriptors, list_log_entries, etc.) are giving below error

{
"error": "MCP tool 'list_metric_descriptors' reported tool error for function call: {"name":"list_metric_descriptors","args":{"name":"projects/project-xyz"}}
with response: [{"functionResponse":{"name":"list_metric_descriptors","response":{"error":{"message":"[\n {\n \"expected\": \"record\",\n
\"code\": \"invalid_type\",\n \"path\": [\n \"structuredContent\"\n ],\n \"message\": \"Invalid input: expected record, received
array\"\n }\n]","isError":true}}}}]"
}

What did you see happen?

{
"error": "MCP tool 'list_metric_descriptors' reported tool error for function call: {"name":"list_metric_descriptors","args":{"name":"projects/project-xyz"}}
with response: [{"functionResponse":{"name":"list_metric_descriptors","response":{"error":{"message":"[\n {\n \"expected\": \"record\",\n
\"code\": \"invalid_type\",\n \"path\": [\n \"structuredContent\"\n ],\n \"message\": \"Invalid input: expected record, received
array\"\n }\n]","isError":true}}}}]"
}

What did you expect to see?

It should be able to accept the returned content in the given format