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chore: defer mcp SDK import to first MCP usage#2675

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chore: defer mcp SDK import to first MCP usage#2675
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copybara/905291907

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chore: defer mcp SDK import to first MCP usage

import google.genai no longer eagerly imports mcp. The public
symbols McpClientSession, McpCallToolResult, and mcp_types
resolve lazily on first attribute access (PEP 562 __getattr__).

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@copybara-service copybara-service Bot force-pushed the copybara/905291907 branch 5 times, most recently from fa3718e to 5d1755d Compare July 13, 2026 22:33
`import google.genai` no longer eagerly imports `mcp`. The public
symbols `McpClientSession`, `McpCallToolResult`, and `mcp_types`
resolve lazily on first attribute access (PEP 562 `__getattr__`).

PiperOrigin-RevId: 905291907
@copybara-service copybara-service Bot force-pushed the copybara/905291907 branch from 5d1755d to 17842a1 Compare July 14, 2026 21:26
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