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DiffSense MCP Server

by goldensupremesaltedfish Your server? Claim it
local only

DiffSense runs on your own machine — the client starts it, so there is no endpoint to ping. 101 installs a week from pypi. Last commit 27 Oct 2026.

MR/PR risk audit MCP server: semantic diff + rule engine, strict read-only. Run as image or pip.

Installs per day peak 526 · avg 38 · +46% w/w
a month agotoday
101
Installs / week
pypi · diffsense
30
Stars
1 open issue
27 Oct 2026
Last commit
from GitHub
—
License
Python

What the code does

We read the source, 5 d ago · rules 995398eba69f

Evidence

Things with no honest explanation: a promise that contradicts the code, code that runs at install time while hiding what it does, data leaving the machine.

Claims read-only, but the code runs commands [пакет] cli.py:405, diffsense/cli.py:535, vscode-extension/plugin/analyzers/node-analyzer/analyze.js:13 и ещё 4
        r0 = subprocess.run(cmd, env=env, cwd=pkg_dir, capture_output=True, timeout=60)
Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

        path = os.path.join(out_dir, filename)
Runs an external command [пакет] cli.py:405, diffsense/cli.py:535
        r0 = subprocess.run(cmd, env=env, cwd=pkg_dir, capture_output=True, timeout=60)
In the project's build, not in the package

Found in continuous integration, deployment or infrastructure files, or in a neighbouring package of the same monorepo. None of this is installed when you add the server: it describes how the project is built and released. We list it because a leaked key in a build pipeline is still a real problem, but it is not something this server does on your machine.

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

We found things in this code

Code changes quietly between releases, and nobody reads the diff of a dependency. We do, on every release — watch DiffSense and you get told the day something new turns up.

Three servers free · no card

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

run in your terminal
claude mcp add diffsense -- uvx diffsense
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "diffsense": {
      "command": "uvx",
      "args": [
        "diffsense"
      ]
    }
  }
}
~/.codex/config.toml
[mcp_servers.diffsense]
command = "uvx"
args = ["diffsense"]
.cursor/mcp.json
{
  "mcpServers": {
    "diffsense": {
      "command": "uvx",
      "args": [
        "diffsense"
      ]
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "diffsense": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "diffsense"
      ]
    }
  }
}

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DiffSense — questions

Answers built from our own checks of this server.

Why is there no uptime for DiffSense?
DiffSense runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the pypi package diffsense was installed 101 times last week.
How do I connect DiffSense?
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 runs locally, so the command pulls diffsense straight from pypi; nothing to host, nothing to sign up for.
How many people use DiffSense?
The pypi package diffsense was installed 101 times in the last week. Week over week that is +46%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is DiffSense open source?
We cannot say either way: written in Python, 30 stars on GitHub and 1 open issue, but we could not determine the licence, and without one the code is not open source by default.