io.github.mattheworiordan/remi

Official registry Other

Apple Reminders CLI and MCP server with section support and iCloud sync

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

NPM package @mattheworiordan/remi
Claude Code
claude mcp add remi -- npx -y @mattheworiordan/remi@0.2.1
JSON configuration (Claude Desktop, Cursor, VS Code)
{
    "mcpServers": {
        "remi": {
            "command": "npx",
            "args": [
                "-y",
                "@mattheworiordan/remi@0.2.1"
            ]
        }
    }
}

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. remi
  2. Why remi?
  3. Install
  4. Quick start
  5. Usage
  6. AI agent integration
  7. Permissions
  8. Requirements
  9. How it works
  10. Contributing
  11. License

remi

The CLI that Apple should have built for Reminders.

Create lists, add reminders, organize them into sections, and have everything sync across all your Apple devices — from the terminal.

Why remi?

  • Sections with iCloud sync — the only CLI that supports Apple Reminders sections. Create them, assign reminders, move between them, and it all syncs.
  • Natural language — --due "next tuesday", --repeat "every 2 weeks on monday,friday"
  • Fuzzy matching — type remi list shopping instead of remi list "Groceries / Shopping List"
  • Agent-first — structured JSON output, Claude Code plugin, skills.sh skill, OpenClaw compatible
  • Fast — compiled Swift helpers, no Electron, no GUI
vs other tools
remiremindctlreminders-cli
SectionsYesNoNo
Section sync (iCloud)YesN/AN/A
RecurrenceYesYesNo
Natural language datesYesYesNo
JSON outputYesYesNo
AI agent integrationYesPartialNo

Install

brew tap mattheworiordan/tap && brew install remi

Or via npm:

npm install -g @mattheworiordan/remi
# or run without installing
npx @mattheworiordan/remi lists

Quick start

remi lists                                              # See all lists
remi list "Groceries"                                   # View a list (fuzzy: remi list groceries)
remi add "Groceries" "Buy milk" --section "Dairy"       # Add to a section
remi today                                              # What's due today?
remi complete "Groceries" "milk"                        # Fuzzy complete

Usage

Check what's due
remi today                    # Due today
remi overdue                  # Past due
remi upcoming --days 7        # Coming up
remi search "dentist"         # Search across all lists
Manage reminders
remi add "Work" "Review PR" --due "next friday" --priority high
remi add "Work" "Standup" --due tomorrow --repeat daily
remi complete "Work" "standup"
remi update "Work" "Review PR" --due "in 3 days"
remi delete "Work" "Review PR" --confirm

Dates: tomorrow, next tuesday, in 3 days, or YYYY-MM-DD Recurrence: daily, weekly, monthly, every 2 weeks, every 3 months on monday,friday

Organize with sections
remi sections "Groceries"                                # List sections
remi create-section "Groceries" "Produce"                # Create a section
remi add "Groceries" "Bananas" --section "Produce"       # Add to a section
remi move "Groceries" "Bananas" --to-section "Dairy"     # Move between sections

Sections sync to iCloud via CRDT vector clocks. See how it works.

JSON output

Every command supports --json for machine-readable output:

remi today --json
# {"success": true, "data": [...]}

AI agent integration

remi is designed for AI agents. Use it as an MCP server, Claude Code plugin, or skill:

MCP server
{
  "mcpServers": {
    "remi": {
      "command": "remi",
      "args": ["--mcp"]
    }
  }
}

16 tools: remi_lists, remi_add, remi_complete, remi_move, remi_today, remi_search, and more — all with fuzzy matching and structured responses.

Other integrations
# Claude Code plugin
claude plugin marketplace add mattheworiordan/remi

# skills.sh
npx skills add mattheworiordan/remi

# OpenClaw
clawhub install remi

Permissions

On first run, macOS will ask you to grant Reminders access (click Allow). Section features also need Full Disk Access for your terminal app.

remi authorize    # Guides you through both
remi doctor       # Shows what's granted

Requirements

  • macOS 13+ (Ventura or later)
  • Node.js 18+
  • Xcode Command Line Tools (xcode-select --install)

How it works

remi uses three layers because Apple never exposed sections in their public API:

LayerWhatWhy
EventKitReminder CRUD, queries, recurrenceStable public API
ReminderKitSection CRUDPrivate framework — only way to create sections that sync
SQLite + Token MapsSection membershipDirect database writes with CRDT vector clocks for iCloud sync

The full reverse-engineering story explains what we discovered about Apple's undocumented sync architecture.

Contributing

git clone https://github.com/mattheworiordan/remi.git && cd remi
npm install && npm run build:swift && npm run build
npm test                        # Unit tests
npm run test:integration        # Integration tests (needs Reminders access)

License

MIT — Matthew O'Riordan

Frequently asked questions

What is io.github.mattheworiordan/remi?

Apple Reminders CLI and MCP server with section support and iCloud sync

How do I install io.github.mattheworiordan/remi?

It runs on your machine. In Claude Code: claude mcp add remi -- npx -y @mattheworiordan/remi@0.2.1. For other clients, paste the JSON configuration from this page into their MCP settings.

Does io.github.mattheworiordan/remi need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is io.github.mattheworiordan/remi open source?

Yes. Its code is on GitHub under the MIT license.

Who maintains io.github.mattheworiordan/remi?

It is published by mattheworiordan. AI.tn lists it but does not maintain or endorse it.

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