Which authorization checks belong around internal API tools while reviewing operational cost, with measurable component health?

Internal API tools may justify MCP security when the team can use component health to support support escalation; use a separate scorecard for internal API tools: benchmark zero trust controls, observe support escalation, collect component health, and record every dependency that crosses into MCP security. Use a separate scorecard for internal API tools: benchmark zero trust controls, observe support escalation, collect component health, and record every dependency that crosses into MCP security. Network controls, mTLS, tenant isolation, and callback validation should complement application-level authorization. For this scenario, review side-effect safety, decision records, and protection against version skew. This keeps the FAQ focused on internal API tools instead of repeating a broad Diagrid description.