Vault MCP Server: Install & Setup

Install Vault in Claude Code

Claude Code

claude mcp add vault -e VAULT_REGION=... -e VAULT_CLIENT_ID=... -e VAULT_CLIENT_SECRET=... -e VAULT_MASTER_PASSWORD=... -- npx -y @aiwerk/mcp-server-vault

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "vault": {
      "command": "npx",
      "args": [
        "-y",
        "@aiwerk/mcp-server-vault"
      ],
      "env": {
        "VAULT_REGION": "...",
        "VAULT_CLIENT_ID": "...",
        "VAULT_CLIENT_SECRET": "...",
        "VAULT_MASTER_PASSWORD": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Vault MCP server do?

Bitwarden/Vaultwarden for agents: list tagged items, TOTP codes, one-time Sends, save new secrets.

Is the Vault MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Vault run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Vault to Claude Code?

Run: claude mcp add vault -e VAULT_REGION=... -e VAULT_CLIENT_ID=... -e VAULT_CLIENT_SECRET=... -e VAULT_MASTER_PASSWORD=... -- npx -y @aiwerk/mcp-server-vault

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