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Sabline MCP Server

by gowrishankar-infra Your server? Claim it
local only

Sabline runs on your own machine — the client starts it, so there is no endpoint to ping. 171 installs a week from pypi. Last commit 13 Oct 2026.

Run code an AI wrote without handing it everything you can reach.

Installs per day peak 193 · avg 33 · +59% w/w
a month agotoday
171
Installs / week
npm · sabline-lang
4
Stars
42 open issues
13 Oct 2026
Last commit
4 releases in 90 days
MIT
License
Python

What the code does

We read the source, 2 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.

Runs commands and sends data out [пакет] roundtrip_eval.py:210
        done = subprocess.run(cmd, cwd=cwd, input=stdin, capture_output=True,
Reads secrets and sends them out [пакет] roundtrip_eval.py:201
    env = dict(os.environ)
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.

    done = subprocess.run(
    const child = spawn(exe, ["-c", script], {
        path = os.path.join(schemas, name)
    for dp, dirs, names in os.walk(here):
        home / ".ssh" / "id_ed25519": b"key",

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

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Sabline — questions

Answers built from our own checks of this server.

Why is there no uptime for Sabline?
Sabline 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 sabline-lang was installed 171 times last week.
How do I connect Sabline?
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 sabline-lang straight from npm; nothing to host, nothing to sign up for.
How many people use Sabline?
The npm package sabline-lang was installed 171 times in the last week. Week over week that is +59%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Sabline open source?
Yes — it is published under the MIT licence, written in Python, 4 stars on GitHub and 42 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.