---
title: "Version 1.5.2"
description: "Roots support, OAuth 2.1 adaptation, and bug fixes"
icon: "leaf"
og:image: "https://mcp-use.com/api/og/release?v=1.5.2"
---

import { Contributors } from '/snippets/contributors.jsx'

<Card img="https://mcp-use.com/api/og/release?v=1.5.2" title="Release 1.5.2" href="https://github.com/mcp-use/mcp-use/releases/tag/python-v1.5.2">
  This patch release introduces **Roots support** in MCPClient and Server, adapts OAuth to the 2.1 specification from the new MCP spec, and includes several bug fixes.
</Card>

## New Features

### Roots Support
**[PR #751](https://github.com/mcp-use/mcp-use/pull/751) by @Pederzh**

Introduced roots support in both MCPClient and MCPServer, enabling hierarchical resource organization and improved navigation capabilities within MCP servers.

### OAuth 2.1 Adaptation
**[PR #518](https://github.com/mcp-use/mcp-use/pull/518) by @renvins**

Updated OAuth implementation to align with the OAuth 2.1 specification from the new MCP spec. This brings improved security practices and better compatibility with modern authentication flows.

### Development Documentation
**[PR #775](https://github.com/mcp-use/mcp-use/pull/775) by @Pederzh**

Added CLAUDE.md files for Python and TypeScript libraries, providing AI-assisted development guidance and project context for contributors.

## Bug Fixes

### Inspector CDN Path Fix
**[PR #773](https://github.com/mcp-use/mcp-use/pull/773) by @pietrozullo**

Fixed the inspector CDN path and added error fallback handling for improved reliability when loading inspector resources.

### Documentation Updates
**[PR #774](https://github.com/mcp-use/mcp-use/pull/774) by @pietrozullo**

Various documentation fixes and improvements for the Python SDK.

## Other Changes

### README Updates
Updated the Python server README with improved documentation and examples.

## Contributors

Thank you to all contributors who made this release possible:

<Contributors users="Pederzh,renvins,pietrozullo" />
