Python Sdk
Official@modelcontextprotocol/inspector · by modelcontextprotocol
The official Python SDK for Model Context Protocol servers and clients
No known CVEs
MIT license
Actively maintained
Last commit 0d ago
Works with most clients
Transport: stdio, sse, http
1 tool · ~46 tok
Grade A · 0.0% of 200K ctx
Step 1
Install in your client
Config is the same across clients — only the file and path differ.
CD
Supported in Claude Desktopstdio, sse, http · Node 18+
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"python-sdk": {
"args": [
"-y",
"@modelcontextprotocol/inspector"
],
"command": "npx"
}
}
}Are you the author?
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What Python Sdk does
This README documents v1.x of the MCP Python SDK (the current stable release). > For v1.x code and documentation, see the v1.x branch. > For the upcoming v2 documentation (pre-alpha, in development on main), see README.v2.md.
Test This Server
This server supports HTTP transport. Be the first to test it — help the community know if it works.
Scored, not listed
Why this score
Five weighted categories — click any category to see the underlying evidence.
Score breakdown
95/100across 5 weighted dimensions
0255075100
30
20
20
15
10
−5
Security
Maintenance
Efficiency
Documentation
Compatibility
Categoriesclick a row to see evidence
Security
OSV.dev2 fixed
CVE-2025-58444medium · fixedCVSS 4
MCP Inspector is Vulnerable to Potential Command Execution via XSS When Connecting to an Untrusted MCP Server
An XSS flaw exists in the MCP Inspector local development tool when it renders a redirect URL returned by a remote MCP server. If the Inspector connects to an untrusted server, a crafted redirect can inject script into the Inspector context and, via the built-in proxy, be leveraged to trigger arbitrary command execution on the developer machine. Version 0.16.6 hardens URL handling/validation and prevents script execution. > Thank you to the following researchers for their reports and contributi
CVE-2025-49596medium · fixedCVSS 4
MCP Inspector proxy server lacks authentication between the Inspector client and proxy
Versions of MCP Inspector below 0.14.1 are vulnerable to remote code execution due to lack of authentication between the Inspector client and proxy, allowing unauthenticated requests to launch MCP commands over stdio. Users should immediately upgrade to version 0.14.1 or later to address these vulnerabilities. Credit: Rémy Marot <bughunters@tenable.com>
Inventory
Tools (1)
Click any tool to inspect its schema.
~46 tokens total
Inventory
Resources (1)
get_greetingGet a personalized greeting
greeting://{name}
Inventory
Prompts (1)
greet_userGenerate a greeting prompt
Community
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Frequently Asked Questions
- Is Python Sdk safe to use?
- Python Sdk has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under MIT.
- How do I install Python Sdk?
- Python Sdk supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
- What can Python Sdk do?
- Python Sdk provides 1 tool: add. See the full tools list on the server page for descriptions and parameters.
- What AI clients work with Python Sdk?
- Python Sdk is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
- Is Python Sdk actively maintained?
- Python Sdk is actively maintained — last commit was 0 days ago. It has 23,060 GitHub stars.
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