1Password MCP Server
Lets an assistant list vaults, look up, create and edit items, rotate and generate passwords, and run commands with op:// secret references so values stay out of the chat.
- Maintained by
- Community (CakeRepository)
- Hosting
- Runs locally on your machine
- Authentication
- API key or credentials (environment variables)
- Last checked
Not an official 1Password product; requires Node.js 20+ and a 1Password Service Account limited to the vaults you want exposed.
How to connect the 1Password MCP server
Pick your AI client and paste the snippet. Swap the YOUR_… placeholders for your own values. New to this? Our guide to how MCP clients and servers fit together explains what each piece does.
Claude Code
claude mcp add --env OP_SERVICE_ACCOUNT_TOKEN=YOUR_SERVICE_ACCOUNT_TOKEN --transport stdio 1password \
-- npx -y @takescake/1password-mcpClaude Desktop
{
"mcpServers": {
"1password": {
"command": "npx",
"args": [
"-y",
"@takescake/1password-mcp"
],
"env": {
"OP_SERVICE_ACCOUNT_TOKEN": "YOUR_SERVICE_ACCOUNT_TOKEN"
}
}
}
}Fully quit and reopen Claude Desktop after saving.
Full Claude Desktop setup guide →Cursor
{
"mcpServers": {
"1password": {
"command": "npx",
"args": [
"-y",
"@takescake/1password-mcp"
],
"env": {
"OP_SERVICE_ACCOUNT_TOKEN": "YOUR_SERVICE_ACCOUNT_TOKEN"
}
}
}
}VS Code
{
"servers": {
"1password": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@takescake/1password-mcp"
],
"env": {
"OP_SERVICE_ACCOUNT_TOKEN": "YOUR_SERVICE_ACCOUNT_TOKEN"
}
}
}
}Frequently asked questions
What is the 1Password MCP server?
It is a Model Context Protocol (MCP) server — a small piece of software that gives AI assistants like Claude a secure, governed connection to 1Password. Lets an assistant list vaults, look up, create and edit items, rotate and generate passwords, and run commands with op:// secret references so values stay out of the chat.
Is there an official 1Password MCP server?
Not from 1Password itself. This one is community-maintained (CakeRepository). It is widely used, but review the repository and pin a version before relying on it in production.
Is the 1Password MCP server hosted, or do I run it myself?
It runs locally. Your AI client starts it on your own machine with npx, and it talks to the client over standard input and output rather than the network.
Do I need an API key for the 1Password MCP server?
Yes. The local server reads OP_SERVICE_ACCOUNT_TOKEN from its environment, so you create that credential first and add it to your client's config.
What can an AI assistant actually do with 1Password?
Through this server an assistant can work with list vaults, look up items, create & edit items, generate passwords, run with secret references — reading from and acting on 1Password directly instead of you copy-pasting between windows. What you allow it to do is controlled by the permissions you grant.
How do I set this up for my business?
The setup section above has copy-paste config for Claude Code, Claude Desktop, Cursor and VS Code. If you want it rolled out across a team with permissions, governance and support handled, that is what Crox's Build engagement covers.
New to MCP? Start with our plain-English guide to the Model Context Protocol or see how to connect AI to your business tools without writing code .
Want this connected to your business — with governance handled?
Crox maps your processes, connects AI to the tools you already use, and keeps it working as models change. Start with a readiness assessment or talk to us about a build.