You'll noticeTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
MCPArea: what it touches
ImprovementsKind: in v2.1.310,
ImprovementsSection of the release
Unclear When the warning appears and exactly what it says is not shown.
What
MCP is a standard way for tools to talk to each other, and Claude Code can run as an MCP server for other programs. When it starts that way, it can now print an extra warning to its error output (stderr) about deny permission rules on another host.
Why
If you run Claude Code as an MCP server, you may see a new warning line at startup.
How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtWhen the warning appears and exactly what it says is not shown.
