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Title: fix(client): send same-origin Origin header from streamable HTTP client by Bartok9 · Pull Request #2729 · modelcontextprotocol/python-sdk · GitHub

Open Graph Title: fix(client): send same-origin Origin header from streamable HTTP client by Bartok9 · Pull Request #2729 · modelcontextprotocol/python-sdk

X Title: fix(client): send same-origin Origin header from streamable HTTP client by Bartok9 · Pull Request #2729 · modelcontextprotocol/python-sdk

Description: The official Python SDK for Model Context Protocol servers and clients - fix(client): send same-origin Origin header from streamable HTTP client by Bartok9 · Pull Request #2729 · modelcontextprotocol/python-sdk

Open Graph Description: Summary The streamable HTTP client now sends a same-origin Origin header by default. This lets the official Python client interoperate with spec-compliant servers (e.g. the Go SDK's http.Cross...

X Description: Summary The streamable HTTP client now sends a same-origin Origin header by default. This lets the official Python client interoperate with spec-compliant servers (e.g. the Go SDK's http.C...

Opengraph URL: https://github.com/modelcontextprotocol/python-sdk/pull/2729

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streamable_http client does not send Origin header → rejected with 403 by spec-compliant servers (e.g. go-sdk CrossOriginProtection) https://github.com/modelcontextprotocol/python-sdk/issues/2727
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