X_MCP_GROUP_UNKNOWN
Means
defineAppMcp groups a tool this server does not project
Typical cause
a typo, a renamed primitive, or a tool never listed
Fix
correct the tool name in groups: (defineAppMcp) to one tools/list shows, or remove the entry
defineAppMcp groups a tool this server does not project
a typo, a renamed primitive, or a tool never listed
correct the tool name in groups: (defineAppMcp) to one tools/list shows, or remove the entry