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N3mo MCP Server

local only

N3mo runs on your own machine — the client starts it, so there is no endpoint to ping. 124 installs a week from pypi. Last commit 14 Aug 2026.

N3MO: Code intelligence engine mapping repositories into queryable symbol graphs.

Installs per day peak 39 · avg 22 · -19% w/w
a month agotoday
124
Installs / week
pypi · n3mo
25
Stars
4 open issues
14 Aug 2026
Last commit
0 releases in 90 days
License
Python

What the code does

We read the source, 8 h ago · rules 3dff92dd89df

A tool parameter reaches a dangerous call

A value the model can set ends up inside a file or shell call. That is not a flaw by itself — for a terminal server it is the job — but it is where things go wrong when it is not.

A tool parameter reaches a dangerous call n3mo_get_blast_radius.depth → n3mo/cli/cli.py:230
                server = subprocess.Popen(
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.

        subprocess.run(['git', 'clone', clone_url, repo_dir], check=True)
        mod = __import__(module_name)

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

A tool parameter here reaches a dangerous call

That is not a flaw by itself — but it is where things go wrong when it is not the job. We re-read this code on every release. Watch it and you hear from us the day another one appears.

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 n3mo -- uvx n3mo
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "n3mo": {
      "args": [
        "n3mo"
      ],
      "command": "uvx"
    }
  }
}
~/.codex/config.toml
[mcp_servers.n3mo]
command = "uvx"
args = ["n3mo"]
.cursor/mcp.json
{
  "mcpServers": {
    "n3mo": {
      "args": [
        "n3mo"
      ],
      "command": "uvx"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "n3mo": {
      "args": [
        "n3mo"
      ],
      "command": "uvx"
    }
  }
}

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N3mo — questions

Answers built from our own checks of this server.

Why is there no uptime for N3mo?
N3mo 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 n3mo was installed 124 times last week.
How do I connect N3mo?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It runs locally, so the command pulls n3mo straight from pypi; nothing to host, nothing to sign up for.
How many people use N3mo?
The pypi package n3mo was installed 124 times in the last week. Week over week that is -19%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is N3mo open source?
We cannot say either way: written in Python, 25 stars on GitHub and 4 open issues, but we could not determine the licence, and without one the code is not open source by default.