Onepassword MCP Server

Onepassword is an MCP integration. MCP server for interacting with 1Password via the CLI to read and manage credentials.

Packages and local setup

The published npm package is onepassword-mcp-server, version 0.5.4. Its declared MCP transport is stdio.

The package declares OP_SERVICE_ACCOUNT_TOKEN (required): Service account token for authentication with 1Password CLI.; ENABLED_TOOLGROUPS: Comma-separated tool groups to enable (readonly, write).; SKIP_HEALTH_CHECKS: Skip credential validation on server startup.; DANGEROUSLY_SKIP_ELICITATIONS: Bypass all credential approval prompts (exposes all secrets).; OP_ELICITATION_READ: Prompt for approval before revealing credentials.; OP_ELICITATION_WRITE: Prompt for approval before creating or sharing items.; OP_WHITELISTED_ITEMS: Comma-separated item titles or IDs that bypass read elicitation..

This package has launch arguments in its registry record. Use the maintainer’s configuration for those arguments rather than launching it with only the package name.

Before connecting

Check the maintainer’s instructions for account access, authentication and the supported client configuration. Once connected, inspect the tools your client receives and try a small task that matches the server’s stated purpose. The registry description does not include a verified, complete tool list.

Project and source

View the publisher’s registry entry · Project repository. This profile uses version 0.5.4 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.

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