MCP server startup is now non-blocking — changing init timing for existing setups — and timeout is configurable via MCP_TIMEOUT env var.
Changes
2
Total Changes (vs Average)
0.2×
Version Type
Patch
Release Focus
Mixed
Days Since Prior Release
0
Release # This Month
#9 of 27
Bug Fix Ratio
0%
Post-Release Edits
—
Change Category
Ecosystem Impact
MCP changes have appeared in 3 of the last 5 releases — the most consistently iterated subsystem in this window. This release continues a pattern of hardening MCP reliability and adding operator-level control.
Key Themes
2MCP Startup: From Blocker to Background Process
May Help If You've Noticed
Claude Code hangs or takes a long time to open when an MCP server is configured
MCP server connection times out too quickly on your system
App startup feels slow because it waits for external tools to initialize
Changes in Claude Code v0.2.41
Other2 changes
•MCP server startup timeout can now be configured via MCP_TIMEOUT environment variable
•MCP server startup no longer blocks the app from starting up