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1password

MCP server for 1Password service accounts — tools and resources for vaults and credentials

CakeRepositorycakerepository/1password★ 20Updated Jul 4, 2026

server.json

{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "io.github.CakeRepository/1password",
  "description": "MCP server for 1Password service accounts — tools and resources for vaults and credentials",
  "repository": {
    "url": "https://github.com/CakeRepository/1Password-MCP.git",
    "source": "github"
  },
  "version": "2.5.0",
  "packages": [
    {
      "registryType": "npm",
      "identifier": "@takescake/1password-mcp",
      "version": "2.5.0",
      "transport": {
        "type": "stdio"
      },
      "environmentVariables": [
        {
          "description": "The Service Account Token from 1Password (required unless OP_KEYCHAIN_SERVICE is used on macOS)",
          "format": "string",
          "isSecret": true,
          "name": "OP_SERVICE_ACCOUNT_TOKEN"
        },
        {
          "description": "macOS only: Keychain service name to read the 1Password service account token from when OP_SERVICE_ACCOUNT_TOKEN is not set",
          "format": "string",
          "name": "OP_KEYCHAIN_SERVICE"
        },
        {
          "description": "macOS only: Optional Keychain account name to narrow the lookup used with OP_KEYCHAIN_SERVICE",
          "format": "string",
          "name": "OP_KEYCHAIN_ACCOUNT"
        }
      ]
    }
  ]
}

Permissions

DeclaredDetected
Runs code—node
Installs—npm:@takescake/1password-mcp@2.5.0
Runs install scripts—None
NetworkNoneNone
Needs credentialsOP_SERVICE_ACCOUNT_TOKENOP_SERVICE_ACCOUNT_TOKEN
Outside the workspace—None
Agent tools—None

Checks

Low risk · Nothing worth a warning was found.

Not reviewed by a person · Checked by rules; the model review is not switched on yet.

Versions

  1. #12.5.0latestOct 7, 2026