Meta description: Server-level tests for FinBot's four MCP servers (FinMail, FinDrive, SystemUtils and TaxCalc), and the access gaps and missing validation they uncovered. PRs #316 through #319 add server-level tests for four of FinBot's MCP servers. Each server gives AI agents a different set of tools. Together the tests show a pattern: the checks that exist mostly work, and the problems are in the checks that are missing. A Test Every Server Gets: The Exact Tool List Each P