Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
MCPArea: what it touches
Internal ChangesKind: in v2.1.323,
Internal ChangesSection of the release
Unclear Nothing shows how or when this polling is used.
What
Claude Code now contains the fixed values for a poller that resumes MCP tasks. MCP (Model Context Protocol) is how Claude Code connects to outside tools. These include a request header, X-CCR-Mcp-Poller, a key, com.anthropic/mcp-poller, and an expiry of eight days.
Why
The names suggest MCP tasks in remote sessions may later be resumed by checking back on them at intervals.
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 doubtNothing shows how or when this polling is used.
Anthropic's release notes agreeFixed /mcp and /plugins opening an MCP server's page with the cursor on "Disable" when the server needs authentication but still holds its…
