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This repository was archived by the owner on Feb 8, 2026. It is now read-only.
We've recently discovered critical issues with the SSE transport implementation in version 0.2.0 of MCPR. As a result, we've yanked version 0.2.0 from crates.io and released version 0.2.1 with fixes for these issues.
What This Means For You
If you're using version 0.2.0, please update to 0.2.1 as soon as possible
If you're experiencing issues with client-server communication, message handling, or template generation, updating to 0.2.1 should resolve these problems
All new projects should use version 0.2.1 or later
Key Fixes in 0.2.1
Fixed client message queue management in SSE transport
Improved HTTP request routing for SSE endpoints
Enhanced error handling for network issues
Added proper timeout handling for message reception
Fixed template generation for SSE projects
How to Update
Update your Cargo.toml to use version 0.2.1:
[dependencies]
mcpr = "0.2.1"
Or run:
cargo add mcpr@0.2.1
If you encounter any issues after updating, please let us know by opening an issue.
Thank you for your understanding and continued support!