Stealth browser automation for AI agents — real Chrome, N parallel persistent logged-in sessions.
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io.github.trueoriginlabs/vibatchium is an MCP server that stealth browser automation for AI agents — real Chrome, N parallel persistent logged-in sessions. Its tool list has not been published yet over stdio, requires no API key, and scores 87/100 on MCPpedia's security, maintenance and efficiency rubric.
Config is the same across clients - only the file and path differ.
{
"mcpServers": {
"io-github-trueoriginlabs-vibatchium": {
"args": [
"vibatchium"
],
"command": "uvx"
}
}
}Are you the author?
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Stealth browser automation for AI agents — real Chrome, N parallel persistent logged-in sessions.
Run this in your terminal to verify the server starts. Then let us know if it worked - your result helps other developers.
uvx 'vibatchium' 2>&1 | head -1 && echo "✓ Server started successfully"
After testing, let us know if it worked:
Five weighted categories - click any category to see the underlying evidence.
No known CVEs.
Checked vibatchium against OSV.dev.
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The browser layer for an always-on box. Many logged-in identities, running unattended, all at once — on real Chrome, with stealth on by default, and with a security model for letting an AI near the credentials.
One daemon, N persistent Chrome sessions, a vb CLI and an MCP server.
Self-hosted, free, Apache-2.0.
pipx install 'vibatchium[all]'
patchright install chrome
vb setup # register the MCP server + agent skill (Claude Code, Codex, Cursor)
vb explore https://example.com
| You want… | Use |
|---|---|
| An agent driving your signed-in browser while you watch | Claude in Chrome, Chrome Auto Browse — first-party, free, better integrated |
| The stealthiest single browser you can buy | CloakBrowser — fingerprints patched in Chromium's C++ (paid for concurrency) |
| The leanest driver for one agent | bladebro — five tools, one Rust binary |
| Browser automation without anti-bot pressure | playwright-mcp, agent-browser — bigger, older, better tested |
| Many accounts on one box, running unattended, against sites that fight automation | vibatchium |
That last row is the whole wedge. Supervised agents hand control back to you at every login wall and CAPTCHA; a library leaves the fleet — sessions, budgets, crash recovery, credentials — for you to build. vibatchium is that fleet layer.
As of 2026-10-06, from each project's own README, source and release notes (the MCP-cost row is our own measurement¹). Rows where we lose are included on purpose.
| vibatchium | CloakBrowser | bladebro | agent-browser | playwright-mcp | |
|---|---|---|---|---|---|
| N persistent logged-in sessions at once | yes, free, one daemon | 1 free (latest build) · more on Pro | one Chrome per agent session | yes, one daemon per session | one per profile dir |
| Unattended ops: crash self-heal, leases, budgets, idle freeze, goals | all of them | — | partial (crash relaunch, idle timeout) | partial (idle timeout, restore) | idle timeout |
| Agent can use a secret but not read it (origin-bound fill, read-back refused, TOTP) | yes | — | — | vault, origin check | --secrets redaction |
| Prompt-injection scanning of page content | yes | — | — | boundary markers (opt-in), no scanning | — |
| Browserless HTTP on the session's own cookies, Chrome TLS fingerprint · keyless web search | yes | — | — | — | — |
| Browser | stock Chrome | own Chromium build | stock Chromium | Chrome for Testing default | stock Chrome |
| Stealth layer | CDP-level (Patchright) | engine-level (87 C++ patches) | CDP-level ("6-layer"), no Runtime.enable | none in core; via cloud providers | none |
| Published stealth score | not yet | 30/30 on its own detector list | 68/80 Stealth Bench V1 (self-run) | — | — |
| MCP startup cost in Claude Code¹ | ~2.7k tokens (89 tools, 5 always loaded) | n/a | ~3.4k tokens (5 tools) | not measured | not measured |
| Platforms | Linux (macOS: CI probe, unsupported) | Linux · macOS · Windows | Linux · macOS · Windows | all | all |
¹ bytes/4 of tools/list plus server instructions, measured over stdio. Clients without tool search load every tool: vb mcp --caps min is 12 tools, ~3.8k tokens. bladebro's own README says ~1.9k.
Where the others are genuinely better: CloakBrowser's engine-level patches go deeper than any CDP-level layer can — and `vb start --browser-b