fix(deps): update module github.com/modelcontextprotocol/go-sdk to v1.6.1#112
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ChrisJBurns merged 1 commit intoMay 23, 2026
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This PR contains the following updates:
v1.6.0→v1.6.1Warning
Some dependencies could not be looked up. Check the Dependency Dashboard for more information.
Release Notes
modelcontextprotocol/go-sdk (github.com/modelcontextprotocol/go-sdk)
v1.6.1Compare Source
This release adds an MCPGODEBUG flag to opt out of the Content-Type check on POST requests.
Behavior Changes
Prior to v1.6.0 (v1.4.0...v1.5.0), the Content-Type check on POST requests was gated by the same
disablecrossoriginprotectionMCPGODEBUG flag as the cross-origin protection. In v1.6.0, the cross-origin protection was disabled by default (replaced by the opt-inenableoriginverificationflag), but the Content-Type check was kept on unconditionally, leaving no way to disable it.This release restores an escape hatch for both the Streamable HTTP and SSE transports: setting
MCPGODEBUG=disablecontenttypecheck=1skips theContent-Type: application/jsonvalidation on POST requests.See #957.
What's Changed
Full Changelog: modelcontextprotocol/go-sdk@v1.6.0...v1.6.1
Configuration
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