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FastMCP crashes when tool return type uses Python 3.10+ A | B | C union syntax #2616

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FastMCP crashes when tool return type uses Python 3.10+ A | B | C union syntax

FastMCP crashes when tool return type uses Python 3.10+ A | B | C union syntax #2616

Triggered via issue June 1, 2026 11:13
@mcp-claudemcp-claude[bot]
commented on #2591 616476f
Status Skipped
Total duration 2s
Artifacts –

claude.yml

on: issue_comment
claude
claude
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