corresync

Local-first MCP server and CLI for email and calendars across Outlook, Gmail, Microsoft 365, JMAP, IMAP/SMTP, and CalDAV. Preview-before-commit writes; no hosted relay.

Installation

MCP client config (paste into mcp.json)

{
  "mcpServers": {
    "corresync": {
      "command": "npx",
      "args": [
        "https://github.com/nkiyohara/corresync/releases/download/v0.9.3/corresync_0.9.3.mcpb"
      ]
    }
  }
}

Agent install prompt

Copy and paste into Cursor / Claude / other agents to install this MCP for you

Please read this MCP repository and install it into my current environment:
https://github.com/nkiyohara/corresync

Known working client config (can write into mcp.json):
{
  "mcpServers": {
    "corresync": {
      "command": "npx",
      "args": [
        "https://github.com/nkiyohara/corresync/releases/download/v0.9.3/corresync_0.9.3.mcpb"
      ]
    }
  }
}

Please: 1) check README for deps and env vars; 2) write config for my client; 3) if secrets are missing, tell me what to fill — do not invent values.

GitHub

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