Stealth browser for AI agents: fetch pages behind Cloudflare/DataDome/CAPTCHA, extract clean data.
Connect Runs on your machine
claude mcp add fortress -e TILION_MCP_PREWARM=<TILION_MCP_PREWARM> -e TILION_MCP_HEADLESS=<TILION_MCP_HEADLESS> -e TILION_ALLOW_PRIVATE_EGRESS=<TILION_ALLOW_PRIVATE_EGRESS> -e TILION_BASE_URL=<TILION_BASE_URL> -e TILION_API_KEY=<TILION_API_KEY> -- uvx tilion==0.1.3{
"mcpServers": {
"fortress": {
"command": "uvx",
"args": [
"tilion==0.1.3"
],
"env": {
"TILION_MCP_PREWARM": "<TILION_MCP_PREWARM>",
"TILION_MCP_HEADLESS": "<TILION_MCP_HEADLESS>",
"TILION_ALLOW_PRIVATE_EGRESS": "<TILION_ALLOW_PRIVATE_EGRESS>",
"TILION_BASE_URL": "<TILION_BASE_URL>",
"TILION_API_KEY": "<TILION_API_KEY>"
}
}
}
}{
"mcpServers": {
"fortress": {
"command": "uvx",
"args": [
"tilion==0.1.3"
],
"env": {
"TILION_MCP_PREWARM": "<TILION_MCP_PREWARM>",
"TILION_MCP_HEADLESS": "<TILION_MCP_HEADLESS>",
"TILION_ALLOW_PRIVATE_EGRESS": "<TILION_ALLOW_PRIVATE_EGRESS>",
"TILION_BASE_URL": "<TILION_BASE_URL>",
"TILION_API_KEY": "<TILION_API_KEY>"
}
}
}
}{
"servers": {
"fortress": {
"type": "stdio",
"command": "uvx",
"args": [
"tilion==0.1.3"
],
"env": {
"TILION_MCP_PREWARM": "<TILION_MCP_PREWARM>",
"TILION_MCP_HEADLESS": "<TILION_MCP_HEADLESS>",
"TILION_ALLOW_PRIVATE_EGRESS": "<TILION_ALLOW_PRIVATE_EGRESS>",
"TILION_BASE_URL": "<TILION_BASE_URL>",
"TILION_API_KEY": "<TILION_API_KEY>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
TILION_MCP_PREWARMOptional | Boot the browser at startup so the first tool call is instant (default 1). |
TILION_MCP_HEADLESSOptional | Set 0 to show a visible browser window (default 1). |
TILION_ALLOW_PRIVATE_EGRESSOptional | Set 1 to allow tools to reach localhost / private IPs (SSRF guard off). |
TILION_BASE_URLOptional | Run browsers on a hosted Tilion server instead of locally. |
TILION_API_KEYOptional, secret | Bearer key for the hosted Tilion server (cloud mode only). |
Details
| Package | [email protected] (PYPI, stdio) |
| First published | 7 Jul 2026 |
| Last updated | 7 Jul 2026 |
| Registry name | io.github.tiliondev/fortress |
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