Local-first mail, calendar, and task MCP with isolated accounts and guarded writes.
Run one of the commands below, then add the client config underneath.
mcpbhttps://github.com/nkiyohara/corresync/releases/download/v0.8.6/corresync_0.8.6.mcpb
Corresync is listed in the Productivity category of the MCPNav directory. It is distributed as mcpb and can be loaded by any client that speaks the Model Context Protocol.
Typical uses include giving your assistant scoped access to the corresponding service so it can answer questions and take actions with real data instead of guessing. Always review what a server can access before you enable it — see our MCP security guide.
Corresync is an MCP server by nkiyohara. Local-first mail, calendar, and task MCP with isolated accounts and guarded writes.
Install it with: https://github.com/nkiyohara/corresync/releases/download/v0.8.6/corresync_0.8.6.mcpb. Then add the JSON config to your client's MCP settings and restart the client.
The MCP server itself is free to install. The source is public on https://github.com/nkiyohara/corresync. Any third-party API it calls (such as a search or maps API) may require its own key and billing.
Any MCP-compatible client can use it, including Claude Desktop, Cursor, VS Code, Windsurf and custom agents.