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CardDAV address books for VS Code

io.github.ni-c/carddav-mcp

Read and write CardDAV address books: contacts, groups and photos over the open standard

client:VS Code transport:stdio runtime:npm

Install CardDAV address books in VS Code

.vscode/mcp.json

{
  "inputs": [
    {
      "type": "promptString",
      "id": "carddav-url",
      "description": "CARDDAV_URL",
      "password": true
    },
    {
      "type": "promptString",
      "id": "carddav-username",
      "description": "CARDDAV_USERNAME",
      "password": true
    },
    {
      "type": "promptString",
      "id": "carddav-password",
      "description": "CARDDAV_PASSWORD",
      "password": true
    },
    {
      "type": "promptString",
      "id": "carddav-token",
      "description": "CARDDAV_TOKEN",
      "password": true
    },
    {
      "type": "promptString",
      "id": "carddav-addressbooks",
      "description": "CARDDAV_ADDRESSBOOKS",
      "password": true
    },
    {
      "type": "promptString",
      "id": "carddav-max-contacts",
      "description": "CARDDAV_MAX_CONTACTS",
      "password": true
    },
    {
      "type": "promptString",
      "id": "carddav-read-only",
      "description": "CARDDAV_READ_ONLY",
      "password": true
    },
    {
      "type": "promptString",
      "id": "carddav-insecure-tls",
      "description": "CARDDAV_INSECURE_TLS",
      "password": true
    },
    {
      "type": "promptString",
      "id": "carddav-allow-plaintext",
      "description": "CARDDAV_ALLOW_PLAINTEXT",
      "password": true
    },
    {
      "type": "promptString",
      "id": "carddav-allow-tools",
      "description": "CARDDAV_ALLOW_TOOLS",
      "password": true
    },
    {
      "type": "promptString",
      "id": "carddav-deny-tools",
      "description": "CARDDAV_DENY_TOOLS",
      "password": true
    },
    {
      "type": "promptString",
      "id": "elicitation",
      "description": "ELICITATION",
      "password": true
    }
  ],
  "servers": {
    "carddav-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@ni-c/carddav-mcp"
      ],
      "env": {
        "CARDDAV_URL": "${input:carddav-url}",
        "CARDDAV_USERNAME": "${input:carddav-username}",
        "CARDDAV_PASSWORD": "${input:carddav-password}",
        "CARDDAV_TOKEN": "${input:carddav-token}",
        "CARDDAV_ADDRESSBOOKS": "${input:carddav-addressbooks}",
        "CARDDAV_MAX_CONTACTS": "${input:carddav-max-contacts}",
        "CARDDAV_READ_ONLY": "${input:carddav-read-only}",
        "CARDDAV_INSECURE_TLS": "${input:carddav-insecure-tls}",
        "CARDDAV_ALLOW_PLAINTEXT": "${input:carddav-allow-plaintext}",
        "CARDDAV_ALLOW_TOOLS": "${input:carddav-allow-tools}",
        "CARDDAV_DENY_TOOLS": "${input:carddav-deny-tools}",
        "ELICITATION": "${input:elicitation}"
      }
    }
  }
}

VS Code prompts for each input the first time the server starts, so no secret is written to the file. VS Code docs

CardDAV address books in other clients