Bitwarden/Vaultwarden for agents: list tagged items, TOTP codes, one-time Sends, save new secrets.
Connect Runs on your machine
claude mcp add mcp-server-vault -e VAULT_REGION=<VAULT_REGION> -e VAULT_API_BASE=<VAULT_API_BASE> -e VAULT_CLIENT_ID=<VAULT_CLIENT_ID> -e VAULT_CLIENT_SECRET=<VAULT_CLIENT_SECRET> -e VAULT_MASTER_PASSWORD=<VAULT_MASTER_PASSWORD> -- npx -y @aiwerk/[email protected]{
"mcpServers": {
"mcp-server-vault": {
"command": "npx",
"args": [
"-y",
"@aiwerk/[email protected]"
],
"env": {
"VAULT_REGION": "<VAULT_REGION>",
"VAULT_API_BASE": "<VAULT_API_BASE>",
"VAULT_CLIENT_ID": "<VAULT_CLIENT_ID>",
"VAULT_CLIENT_SECRET": "<VAULT_CLIENT_SECRET>",
"VAULT_MASTER_PASSWORD": "<VAULT_MASTER_PASSWORD>"
}
}
}
}{
"mcpServers": {
"mcp-server-vault": {
"command": "npx",
"args": [
"-y",
"@aiwerk/[email protected]"
],
"env": {
"VAULT_REGION": "<VAULT_REGION>",
"VAULT_API_BASE": "<VAULT_API_BASE>",
"VAULT_CLIENT_ID": "<VAULT_CLIENT_ID>",
"VAULT_CLIENT_SECRET": "<VAULT_CLIENT_SECRET>",
"VAULT_MASTER_PASSWORD": "<VAULT_MASTER_PASSWORD>"
}
}
}
}{
"servers": {
"mcp-server-vault": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@aiwerk/[email protected]"
],
"env": {
"VAULT_REGION": "<VAULT_REGION>",
"VAULT_API_BASE": "<VAULT_API_BASE>",
"VAULT_CLIENT_ID": "<VAULT_CLIENT_ID>",
"VAULT_CLIENT_SECRET": "<VAULT_CLIENT_SECRET>",
"VAULT_MASTER_PASSWORD": "<VAULT_MASTER_PASSWORD>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
VAULT_REGIONRequired | Bitwarden region or self-hosted mode (e.g. us, eu, or self-hosted). |
VAULT_API_BASEOptional | Base URL for self-hosted Vaultwarden, scheme+host only (e.g. https://pass.example.com). Omit for Bitwarden cloud. |
VAULT_CLIENT_IDRequired, secret | Bitwarden API client_id (personal API key). |
VAULT_CLIENT_SECRETRequired, secret | Bitwarden API client_secret (personal API key). |
VAULT_MASTER_PASSWORDRequired, secret | Vault master password, used to unlock and decrypt items. |
Details
| Package | @aiwerk/[email protected] (NPM, stdio) |
| First published | 24 Jun 2026 |
| Last updated | 24 Jun 2026 |
| Registry name | io.github.AIWerk/mcp-server-vault |
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