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Python Code Reviewer MCP Server

by duckdns-43-134-36-21 Your server? Claim it
not responding

Python Code Reviewer is listed as active in the registry but did not answer our last check. It exposes 2 tools.

Security + bug + perf + refactor audit for Python. Returns 0-10 score + MD report.

Uptime history 82 days of history · worst day 0%
82 days agonow
0.0%
Uptime 24h
0 of 91 checks
2
Tools
read from the server
452 ms
Response time
average over 24h
open, no key
Access
streamable-http

Python Code Reviewer does not always answer

Over the last week it answered 0.0% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 6 min ago.

run in your terminal
claude mcp add python-code-reviewer --transport http https://43-134-36-21.duckdns.org/mcp/mcp
Settings → Connectors → Add custom connector, then paste this address
https://43-134-36-21.duckdns.org/mcp/mcp
~/.codex/config.toml
[mcp_servers.python-code-reviewer]
url = "https://43-134-36-21.duckdns.org/mcp/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "python-code-reviewer": {
      "url": "https://43-134-36-21.duckdns.org/mcp/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "python-code-reviewer": {
      "type": "http",
      "url": "https://43-134-36-21.duckdns.org/mcp/mcp"
    }
  }
}

Available tools 2

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

python
python_code_review
Review Python code and output a structured report: security vulnerabilities, bug detection, performance optimization suggestions, code standards, and refactoring advice. Args: code: The Python code to review depth: Review depth (quick/standard/deep)
python_quality_score
Return only the code quality score and brief rating, without a full report. Args: code: The Python code to score

Endpoints

URLTransportStateLatencyChecked
https://43-134-36-21.duckdns.org/mcp/mcp streamable-http answering 452 ms 6 min ago

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Python Code Reviewer — questions

Answers built from our own checks of this server.

What can Python Code Reviewer do?
It exposes 2 tools, read directly from the server on our last check. Among them: python_code_review, python_quality_score. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is Python Code Reviewer working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 0 of 91 checks got a reply (0.0%), average response time 452 ms. The bar chart above shows every period we have measured.
The registry lists Python Code Reviewer as active — why does it not respond?
The official MCP registry stores what the author submitted; it does not verify that the server still runs. We check the endpoint ourselves, and this one does not answer. Catalogues that copy the registry without checking will show it as working.
How do I connect Python Code Reviewer?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Python Code Reviewer need an API key?
No. Python Code Reviewer completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 2 of them are readable on this page. This is what we observed, not what the docs claim.