- Logs default to warnings and errors (MCP_LOG_LEVEL): the library logged
every tool on every request (~48 lines per call).
- DNS rebinding protection on /mcp, as the MCP spec asks of HTTP servers:
the Host header must be in MCP_ALLOWED_HOSTS (default: localhost; compose
default mcp.taskstream.pireon.dev,localhost) and a browser Origin, when
present, too; otherwise 403 with a JSON-RPC error. Uses the official
validators from @modelcontextprotocol/server.
- Test for allowed/foreign Host and Origin; .env.example, compose and
docs/09-mcp.md document the variables; Word/PDF regenerated.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>