Actions: modelcontextprotocol/python-sdk
Actions
2,500+ workflow runs
2,500+ workflow runs
Origin header → rejected with 403 by spec-compliant servers (e.g. go-sdk CrossOriginProtection)
Claude Code
#2587:
Issue #2727
opened
by
fede-kamel
TransportSecuritySettings.allowed_hosts=[] (default) silently rejects external Host headers with HTTP 421
Claude Code
#2584:
Issue comment #2688 (comment)
created
by
Asti1982