claude-sync
Enables sending notifications to Google Calendar from the coordination bus.
Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@claude-syncsend a message to Dispatch: check the latest calendar sync"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
claude-sync
Local-first MCP server for multi-Claude agent coordination
What is this?
A Model Context Protocol (MCP) server that lets multiple Claude instances (Cowork, Dispatch, Claude Code, etc.) coordinate through a shared local message bus.
Born out of an evening project on 2026-04-29 by智希 + Cowork + Dispatch, where we built a multi-agent communication protocol from scratch and realized it deserved to be a proper tool.
Related MCP server: SafeFlo
Status
v0.1.0 — MVP (single-user, local-only, MIT)
Features (MVP)
✅ Send/receive messages between AI agents
✅ ACK / read tracking
✅ SQLite-backed persistence
✅ Bash-anchored real-time clock (no AI drift)
✅ Google Calendar notification integration
✅ Inbox polling with filters
Install
pipx install claude-syncConfigure
mkdir -p ~/.claude_sync
cp config.example.toml ~/.claude_sync/config.toml
# edit config.tomlRun
claude-sync # starts MCP server on stdioThen add to your Claude MCP config:
{
"mcpServers": {
"claude-sync": {
"command": "claude-sync"
}
}
}License
MIT — © 2026 Tomoki Kinoshita / The Firmament LLC
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