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JevSim MCP Server

local only

JevSim runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 21 Sep 2026.

Run verified iOS and Android UI workflows in one agent tool call with Jev.

Installs / week
npm · @huaaudio/jevsim
0
Stars
0 open issues
21 Sep 2026
Last commit
0 releases in 90 days
MIT
License
TypeScript

Nothing serious here today

Today is the operative word: we check JevSim every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

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

This one needs environment variables set before it will start: TYPESAFE_API_KEY (TypeSafe API key for semantic selection. Exact-identifier workflows need no key.), JEVSIM_MODEL (TypeSafe selection model.), JEVSIM_XCODE_COMMAND (iOS only: XcodeBuildMCP executable. Use an absolute path if needed.), JEVSIM_XCODE_ARGS (iOS only: JSON array of XcodeBuildMCP arguments.), JEVSIM_ANDROID_APPIUM_URL (Android only: separately running Appium 3/UIAutomator2 server on loopback.), JEVSIM_ADB_COMMAND (Android only: adb executable. Use an absolute path if needed.). The author declared them in the registry entry; get the values from the project itself.

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JevSim — questions

Answers built from our own checks of this server.

Why is there no uptime for JevSim?
JevSim 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 @huaaudio/jevsim.
How do I connect JevSim?
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 @huaaudio/jevsim straight from npm; nothing to host, nothing to sign up for.
Is JevSim open source?
Yes — it is published under the MIT licence, written in TypeScript and 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.