TetherDust runs inside your infrastructure, connecting MCP servers to your codebase and database documentation so agents generate SQL that can be checked against the actual schema — not guessed. The core workflow chains natural language input through containerized agents that produce SQL, d3.js dashboards, and schema-to-code dependency maps, all inside strict read-only query boundaries. Scheduled reports ship by email or download without exposing write access. RBAC and audit logging are included for teams where data access needs a paper trail. The ceiling appears when you need write operations, or when your branching query logic outgrows what the agent layer can express without custom extensions.