Mantis Browser MCP Server

by perzianhqio.github.perzianhq/mantisv0.1.2

The web as short, numbered text for AI agents: a lean browser interface over Playwright.

0Node.jsstdioofficial registry

context tax

pending

security

97/100

cold start

pending

freshness

Activetoday

Our reading of Mantis Browser, from the data

Mantis Browser is a browser automation MCP server from perzianhq, listed in the official MCP Registry.

We haven't measured its tool list yet, so its token cost is unknown.

Maintenance is active: the last public signal was in the last day (2026-10-18). For comparison, 67% of browser automation servers are active or maintained.

With 0 GitHub stars it ranks #560 of 1,199 browser automation servers we index.

It runs locally on your machine over stdio.

Install Mantis Browser MCP server

claude mcp add mantis-browser -- npx -y mantis-browser

{
  "mcpServers": {
    "mantis-browser": {
      "command": "npx",
      "args": [
        "-y",
        "mantis-browser"
      ]
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "mantis-browser": {
      "command": "npx",
      "args": [
        "-y",
        "mantis-browser"
      ]
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "mantis-browser": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "mantis-browser"
      ]
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "mantis-browser": {
      "command": "npx",
      "args": [
        "-y",
        "mantis-browser"
      ]
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Security signals

97/100 — no known issues found as of 2026-10-19, from the checks below. This is not a guarantee of safety; review what a server can do before connecting it.

Deductions

No security policy (SECURITY.md)-3

Checks

✓Repository hygiene (archived, activity, license, security policy)
○Package metadata (install scripts, provenance) — pending
○Tool descriptions (prompt-injection and hidden-text heuristics) — pending
○Source scan (secrets, CVEs, risky code) by vectra-guard — pending

Scan it yourself before installing with vectra-guard, the open-source agent security CLI. Scoring rules

Freshness

Active — last maintenance signal today. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-18 · today · GitHub
Latest release
2026-10-16 · 2d ago · GitHub · v0.1.2
Package published
no data · npm/PyPI
Registry entry updated
2026-10-16 · 2d ago · official registry · v0.1.2

How it compares in Browser Automation

Against the most-starred browser automation servers we index. Token cost is per model turn, measured from each server's live tool list.

Server	Stars	Tools	Tokens / turn	Freshness	Runs
Mantis Browser (this)	0	—	not measured	Active	local
Browser Use	118,444	—	not measured	Active	local
Scrapling	88,517	—	not measured	Active	local
Browser	39,318	—	not measured	Active	local + hosted
Playwright	38,349	—	not measured	Active	local
Browser	36,690	—	not measured	Active	—

All browser automation MCP servers

FAQ

›How do I install the Mantis Browser MCP server in Claude Code?

Run: claude mcp add mantis-browser -- npx -y mantis-browser. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Mantis Browser require an API key?

No required environment variables are declared in its published metadata.

›Can I use Mantis Browser as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Mantis Browser in the official MCP registry?

Yes, as io.github.perzianhq/mantis.

Sources and method

Official MCP Registry entry: updated 2026-10-16
GitHub repository: fetched 2026-10-19
Package registry (npm / PyPI): listed
Security signals, computed by us: 2026-10-19
Last checked against all sources: 2026-10-19

The description, packages and links come from the maintainer's own published metadata. Token cost, security signals, freshness and the reading above are MCPSkillHub's own measurements; see the methodology. Spot an error? Request a correction or claim the listing.