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Sophon MCP Server

local only

Sophon runs on your own machine — the client starts it, so there is no endpoint to ping. 53 installs a week from npm. Last commit 30 Apr 2026.

Honest token economics for MCP agents. 68% tokens saved, zero-ML Rust binary.

Installs per day peak 20 · avg 8 · -24% w/w
a month agotoday
53
Installs / week
npm · mcp-sophon
7
Stars
1 open issues
30 Apr 2026
Last commit
0 releases in 90 days
MIT
License
Rust

What the code does

We read the source, 22 h ago · rules 3dff92dd89df

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.

Runs a command on install [пакет] package.json:1
postinstall: node install.js
File ships in the package but is absent from the source [пакет] install.js:1, [пакет] bin/sophon.js:1
этот файл ставится пользователю, но в репозитории его нет
const child = spawn(binary, process.argv.slice(2), { stdio: 'inherit' });
const binary = path.join(__dirname, binName);
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.

Builds a database query by concatenation .github/workflows/release.yml:53
          sudo apt-get update
          sudo apt-get install -y ${{ matrix.linker_pkg }}

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

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

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

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Sophon — questions

Answers built from our own checks of this server.

Why is there no uptime for Sophon?
Sophon 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 npm package mcp-sophon was installed 53 times last week.
How do I connect Sophon?
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 mcp-sophon straight from npm; nothing to host, nothing to sign up for.
How many people use Sophon?
The npm package mcp-sophon was installed 53 times in the last week. Week over week that is -24%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Sophon open source?
Yes — it is published under the MIT licence, written in Rust, 7 stars on GitHub and 1 open issue. The source link is on this page, so you can read exactly what it does with your data before you connect it.