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FastMCP crashes when tool return type uses Python 3.10+ A | B | C union syntax #3116

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 #3116

Triggered via issue June 18, 2026 06:05
@Bartok9Bartok9
commented on #2591 734746a
Status Skipped
Total duration 1s
Artifacts

claude.yml

on: issue_comment
claude
claude
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