health-check-tool-collides-across-10-mcp-servers
The tool name health_check is registered across 10 simultaneously-active MCP servers: switchy-mcp, boostspace-mcp, sharepoint-mcp, railway-mcp, happierleads-mcp, fivetran-mcp, docker-mcp, columns-mcp, salesforce-mcp, and tableau-mcp. When these servers are active together, Claude picks one silently without signaling the ambiguity. Session-based registration limits blast radius by keeping only relevant servers active. All future tools must use platform-prefixed naming (e.g., tableau_health_check).