1Password MCP
About
The 1Password MCP server creates a bridge that allows MCP clients such as Codex and Kiro to manage your 1Password Environments with secure authorization prompts.
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- Unknown
- Categories
- Productivity, Security, Other
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Use the 1Password MCP Server to manage your 1Password Environments
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The 1Password MCP Server lets MCP clients such asCodex,Cursor, andKirosecurely manage your1Password Environments. The server can only see variable and Environment names, and never returns the secrets stored in your Environments, which stay safe in 1Password.
- Create, list, and rename Environments.
- List the names of variables stored in an Environment.
- Add variables to an Environment.
- Createlocally mounted.envfilesthat make your secrets available on demand without writing them to disk.
- List locally mounted.envfiles.
Learn more about 1Password's approach to MCP servers.
The 1Password MCP Server runs locally on your computer as part of the 1Password desktop app. When your MCP client connects to the server or uses atoolthat requires per-Environment approval, the 1Password app shows a secure authorization prompt. If you approve, the client can use the approved tool with the Environment again without prompting you until 1Password locks.
By design, the server cannot return secret values stored in 1Password to the client, even if an agent requests them.
This walkthrough shows how to use the MCP server for Codex:
Before you can use the MCP server, you'll need to:
- Sign up for 1Password.
- [Install the 1Password desktop app.
- Create a 1Password Environment.
- Have an MCP client that supportsstdiotransport. Remote-only MCP clients aren't currently supported.
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