Version 1.6.0

Release 1.6.0

This release introduces Bearer Token authentication for Python MCP servers, adds on_initialize middleware for intercepting MCP handshakes, and includes several important bug fixes.

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New Features

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Bearer Token Authentication

PR #841 by @pietrozullo Added Bearer Token authentication support for Python MCP servers, enabling secure token-based authentication for server connections.

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On Initialize Middleware

PR #769 by @renvins Introduced the ability to intercept MCP handshakes with on_initialize middleware, allowing custom logic during the initialization phase of MCP connections.

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Bug Fixes

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DNS Rebinding Protection

PR #825 by @pietrozullo Fixed DNS rebinding protection for cloud and proxy deployments, improving security for production environments.

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Debug and Pretty Print JSONRPC Improvements

PR #814 by @pietrozullo Improved the debug and pretty_print_jsonrpc behavior for better debugging experience.

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ConnectionManager Timeout

PR #726 by @Incharajayaram Added a timeout mechanism to ConnectionManager.stop() to prevent hanging connections during shutdown.

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Contributors

Thank you to all contributors who made this release possible