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Fortress MCP Server

by tiliondev Your server? Claim it
local only

Fortress runs on your own machine — the client starts it, so there is no endpoint to ping. 131 installs a week from pypi. Last commit 24 Jul 2026.

Stealth browser for AI agents: fetch pages behind Cloudflare/DataDome/CAPTCHA, extract clean data.

Installs per day peak 180 · avg 25 · -32% w/w
a month agotoday
131
Installs / week
pypi · tilion
615
Stars
6 open issues
24 Jul 2026
Last commit
0 releases in 90 days
License
Python

What the code does

We read the source, 18 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 an external command mcp/npm/cli.js:20
  const r = spawnSync(finder, [cmd], { stdio: ["ignore", "ignore", "ignore"] });
Builds a file path from a variable mcp/server.py:133
    return os.path.join(root, name)
        self._proc = subprocess.Popen(args, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)

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

This one needs environment variables set before it will start: TILION_MCP_PREWARM (Boot the browser at startup so the first tool call is instant (default 1).), TILION_MCP_HEADLESS (Set 0 to show a visible browser window (default 1).), TILION_ALLOW_PRIVATE_EGRESS (Set 1 to allow tools to reach localhost / private IPs (SSRF guard off).), TILION_BASE_URL (Run browsers on a hosted Tilion server instead of locally.), TILION_API_KEY (Bearer key for the hosted Tilion server (cloud mode only).). The author declared them in the registry entry; get the values from the project itself.

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Fortress — questions

Answers built from our own checks of this server.

Why is there no uptime for Fortress?
Fortress 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 tilion was installed 131 times last week.
How do I connect Fortress?
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 tilion straight from pypi; nothing to host, nothing to sign up for.
How many people use Fortress?
The pypi package tilion was installed 131 times in the last week. Week over week that is -32%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Fortress open source?
We cannot say either way: written in Python, 615 stars on GitHub and 6 open issues, but we could not determine the licence, and without one the code is not open source by default.