Containerized FastAPI + FastMCP server exposing send_email tool, backed
by Mailgun (mg.oliver.solutions). Bearer-token auth. Deployable to
/opt/mg-mcp/ on optical-dev.oliver.solutions behind the shared Apache vhost,
following the same pattern as adeo-maturity-tool / oliver-sales-ops-platform.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
