Mjucius Cozi MCP

An unofficial Model Context Protocol server that lets AI assistants like Claude read and update your Cozi Family Organizer lists and calendar. It is available as a remote MCP endpoint.

Teams that want a hosted productivity endpoint instead of running a local process. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-07-31 · ★ 2 · #127 OF 139 MAINTAINED PRODUCTIVITY · VERIFIED 2026-08-25

MIT · TypeScript servers · how we verify → /methodology

01 · Install Mjucius Cozi MCP

before you install - you'll need

Set COZI_USERNAME, COZI_PASSWORD, COZI_READ_ONLY before connecting.

Claude Code

claude mcp add mjucius-cozi_mcp --transport http https://server.smithery.ai/@mjucius/cozi_mcp/mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "mjucius-cozi_mcp": {
      "url": "https://server.smithery.ai/@mjucius/cozi_mcp/mcp"
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

https://server.smithery.ai/@mjucius/cozi_mcp/mcp

transport: streamable-http

endpoint responds (non-MCP reply - review) · probed 2026-08-25

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as remote - your agent's requests go to server.smithery.ai

license MIT - declared in the repository

registry vendor namespace ai.smithery - domain-verified with the official MCP registry

03 · What Mjucius Cozi MCP can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v2.1.1 · 2026-07-31

Fix npm publish: switch to Trusted Publishing (OIDC) · Fix npm OIDC publish: Node 24 + drop registry-url · Guard the release workflow against tagless dispatches · Release 2.1.1: auth and version diagnostics

v2.1.0 · 2026-07-30

add read-only tool mode · Release 2.1.0: security fixes (VulnHunter audit) + read-only tool mode · New Contributors · @ymmyk-freddy made their first contribution in · @mjucius made their first contribution in · add…

v2.0.1 · 2026-05-11

04 · Who maintains Mjucius Cozi MCP

mjucius-cozi_mcp is maintained by mjucius. It's the only MCP server we track from this author; the repo dates to Sep 2025.

05 · Facts

repository: github.com/mjucius/cozi_mcp
category: productivity - ranked #127 of 139 actively-maintained productivity servers as of 2026-08-25.
release cadence: 2 releases in the last 90 days (latest 2026-07-31)
registry: ai.smithery/mjucius-cozi_mcp (active, first published 2025-09-13)

06 · Mjucius Cozi MCP FAQ

What is Mjucius Cozi MCP?

An unofficial Model Context Protocol server that lets AI assistants like Claude read and update your Cozi Family Organizer lists and calendar. It is available as a remote MCP endpoint.

Is Mjucius Cozi MCP still maintained?

Yes - as of 2026-08-25, its last commit was 2026-07-31 and it shipped 2 releases in the last 90 days. We re-verify nightly.

How do I install Mjucius Cozi MCP?

Run `claude mcp add mjucius-cozi_mcp --transport http https://server.smithery.ai/@mjucius/cozi_mcp/mcp`. The README documents 3 environment variables (COZI_USERNAME, COZI_PASSWORD, COZI_READ_ONLY) to set first. Set COZI_USERNAME, COZI_PASSWORD, COZI_READ_ONLY before connecting. You can also paste the ready-made client config above.

07 · Alternatives to Mjucius Cozi MCP

Alternatives to Mjucius Cozi MCP

Maintained productivity servers if Mjucius Cozi MCP isn't the fit.

Pairs well with

Servers that cover what Mjucius Cozi MCP doesn't - only shown when the pairing reason fits the companion.

More productivity MCP servers · Hive Vault · DevPlan MCP Server · Smart Connections MCP · Microsoft Planner

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