WhatsApp Web MCP Server

Automation of Whatsapp Messages without Meta (Business-)API is against WhatsApp' Terms of Service!. It runs locally over stdio via the published package.

People who work with Whatsapp and Baileys and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-09-17 · ★ 25 · #67 OF 255 MAINTAINED BROWSER AUTOMATION · VERIFIED 2026-09-18

MIT · TypeScript servers · how we verify → /methodology

01 · Install WhatsApp Web MCP Server

before you install - you'll need

WHATSAPP_BACKEND, BAILEYS_SESSION_DIR are optional or environment-specific per the README.

Claude Code

claude mcp add mario-andreschak-mcp-whatsapp-web -- npx -y mcp-whatsapp-web

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "mario-andreschak-mcp-whatsapp-web": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-whatsapp-web"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

repository a fork of another project - check the upstream repo before trusting releases

license MIT - declared in the repository

npm package mcp-whatsapp-web - unscoped; check the name against the project README before installing

registry namespace io.github.mario-andreschak is GitHub-verified and matches the repo owner

03 · Who maintains WhatsApp Web MCP Server

WhatsApp Web MCP Server is maintained by mario-andreschak. We track 3 MCP servers from mario-andreschak - 3 actively maintained, 410 combined GitHub stars, oldest repo from Jan 2025. Full record: all servers from mario-andreschak.

04 · Facts

repository: github.com/mario-andreschak/mcp-whatsapp-web
website: https://github.com/mario-andreschak/mcp-whatsapp-web
category: browser automation - ranked #67 of 255 actively-maintained browser automation servers as of 2026-09-18.
registry: io.github.mario-andreschak/mcp-whatsapp-web (active, first published 2026-07-05 · 2 versions)
packages: npm:mcp-whatsapp-web

05 · WhatsApp Web MCP Server FAQ

What is WhatsApp Web MCP Server?

Automation of Whatsapp Messages without Meta (Business-)API is against WhatsApp' Terms of Service!. It runs locally over stdio via the published package.

Is WhatsApp Web MCP Server still maintained?

Yes - as of 2026-09-18, its last commit was 2026-09-17. We re-verify nightly.

How do I install WhatsApp Web MCP Server?

Run `npx -y mcp-whatsapp-web`. The README documents 2 environment variables (WHATSAPP_BACKEND, BAILEYS_SESSION_DIR) to set first. WHATSAPP_BACKEND, BAILEYS_SESSION_DIR are optional or environment-specific per the README. You can also paste the ready-made client config above.

Does WhatsApp Web MCP Server run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

06 · Alternatives to WhatsApp Web MCP Server

Alternatives to WhatsApp Web MCP Server

Maintained browser automation servers if WhatsApp Web MCP Server isn't the fit.

Pairs well with

Servers that cover what WhatsApp Web MCP Server doesn't - only shown when the pairing reason fits the companion.

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