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Arifos MCP Server

local only

Arifos MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 972 installs a week from pypi. Last commit 18 Sep 2026.

Constitutional AI governance server with 5-organ Trinity and enforced floors F1-F13.

Installs per day peak 361 · avg 160 · -0% w/w
a month agotoday
972
Installs / week
pypi · arifos
51
Stars
7 open issues
18 Sep 2026
Last commit
0 releases in 90 days
AGPL-3.0
License
Python

What the code does

We read the source, 1 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 oracle_world.path → arifosmcp/tools/reality.py:121, oracle_world.path → arifosmcp/tools/reality.py:133, arif_kernel_check.action → commands/arif-systemctl.py:86
                result = subprocess.run(
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.

Runs commands and sends data out [пакет] arifosmcp/runtime/convergence_tracker.py:185
        r = subprocess.run(
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.

        "/etc/cron.d", "/etc/crontab", "/etc/cron.daily",
File ships in the package but is absent from the source [пакет] arifosmcp/transport/dialects/claude.py:1, [пакет] arifosmcp/transport/dialects/fastmcp.py:1, [пакет] arifosmcp/transport/dialects/openai_agents.py:1
этот файл ставится пользователю, но в репозитории его нет
        path = os.path.join(OUT_DIR, f"{component}.md")
        mod = __import__(cfg["health_module"], fromlist=[cfg["health_fn"]])
TELEGRAM_API_BASE = "https://api.telegram.org"
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.

CI pipeline leaks secrets outward .github/workflows/prune-images.yml:41
          TOKEN=$(curl -s -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
Asks for container control access deploy/docker-compose.yml:64
      - /var/run/docker.sock:/var/run/docker.sock:ro

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

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Arifos MCP — questions

Answers built from our own checks of this server.

Why is there no uptime for Arifos MCP?
Arifos MCP 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 arifos was installed 972 times last week.
How do I connect Arifos MCP?
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 arifos straight from pypi; nothing to host, nothing to sign up for.
How many people use Arifos MCP?
The pypi package arifos was installed 972 times in the last week. Week over week that is -0%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Arifos MCP open source?
Yes — it is published under the AGPL-3.0 licence, written in Python, 51 stars on GitHub and 7 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.