Model Context Protocol
streamablehttp_client removal
Stopped workingSubscribe to Model Context ProtocolShare
On July 28, 2026, streamablehttp_client was removed from the SDK mcp streamablehttp_client from major 2. Following this change, calls using this function fail.
Calls it hits
SDK mcp streamablehttp_client from major 2
What to use instead of these calls
Import streamable_http_client from mcp.client.streamable_http, which keeps the same keyword arguments. Alternatively, pin mcp below version 2.
In Model Context Protocol's words
streamablehttp_client removed
Facts
- API
- Model Context Protocol
modelcontextprotocol.io - Kind
- Removal
- Takes effect
- July 28, 2026
- Calls after that day
- Fail
- Source
- Announcement
- Last updated
- Verified
- , against Model Context Protocol's own pages
Questions
When does this change take effect?
Calls to SDK mcp streamablehttp_client from major 2 on Model Context Protocol stopped working on July 28, 2026.
What happens to calls after July 28, 2026?
They have failed since July 28, 2026.
How do I find the calls this hits in my code?
Okapi reads your repository, finds the calls this change hits and opens a pull request with the fix. It never commits to your branches: every change comes as a pull request you review.
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