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2 pages for mcp_connection_nonblocking.
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Claude Code CLI · in the page
agent-sdk/mcp
…e than the first-turn wait, before the init message is sent: * Set [`MCP_CONNECTION_NONBLOCKING`](/docs/en/env-vars) to `0` to block on the whole connection batch. Claude Code caps that wait at 5 sec…
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Claude Code CLI · in the page
mcp
…ld startup. Other servers connect in the background by default; set [`MCP_CONNECTION_NONBLOCKING=0`](/docs/en/env-vars) to make startup wait for them too. ## Use MCP prompts as commands MCP servers…