bitwarden/mcp-server

Bitwarden MCP Server

→ bitwarden/mcp-server· npm: @bitwarden/mcp-server· listed on npm

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// key findings

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

🔐

You'll be asked for 2 credentials: BW_CLIENT_SECRET, SOME_OTHER_SECRET

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configBW_ALLOWED_DIRECTORIES— File operations Comma-separated list of allowed file directories. Required for file-based tools (e.g. create_file_send, create_attachment); when unset, all file operations are rejected. -

configBW_API_BASE_URL— Note: For self-hosted Bitwarden instances, set and BW_IDENTITY_URL to your server URLs.

configBW_CLIENT_ID— "": "organization.your-client-id",

🔐 secretBW_CLIENT_SECRET— "": "your-client-secret"

configBW_IDENTITY_URL— Note: For self-hosted Bitwarden instances, set BW_API_BASE_URL and to your server URLs.

configBW_SESSION— "": "your-session-token-here"

configDISPLAY— On headless machines (no on Linux, no GUI session), the unlock tool will refuse to run. Use the manual fallback:

🔐 secretSOME_OTHER_SECRET

configWAYLAND_DISPLAY

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 1 concrete improvement we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/bitwarden-mcp-server-b8fe4a)](https://m8ven.ai/mcp/bitwarden-mcp-server-b8fe4a)

commit: 764c36a4b27248a03756d0357c43a63370cabd22

code hash: 5c51436f2c35062cbe3226da6056bf0ace0a5997789c6b404eafad652cfdebfa

verified: 5/29/2026, 11:18:53 AM

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