Corresync MCP server

Corresync

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Mail, calendars, and tasks. One local MCP server and CLI. Provider-neutral, local-first tooling for AI agents, scripts, and you.

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corr brings isolated mail, calendar, and task accounts into one terminal—and one local Model Context Protocol server. Gmail, Google Calendar, and Google Tasks are available through a Desktop OAuth client in a Google Cloud project you control. Corresync-managed Google OAuth remains dormant. The canonical task tools also include explicit Microsoft To Do, Todoist, TickTick, and CalDAV VTODO routes; remaining task-provider adapters stay unavailable until their contracts are implemented.

identity or provider provenance.

• Search mail and build one agenda across accounts without collapsing their

available.

• Use one stable, provenance-preserving task model as provider adapters become

run them live without creating a shadow mailbox or calendar cache.

• Save private account-local mail searches and relative calendar windows, then

AI agent.

• Use the same typed operations from a human-friendly CLI, stable JSON, or an

an approved local credential store.

• Keep sign-in in a visible browser, an explicit public-client OAuth flow, or

stop for reconciliation instead of being retried automatically.

• Review consequential effects before they happen. Unknown remote outcomes

What it feels like

$ corr mail search --all-accounts \
    --query 'subject:"Quarterly plan"' --limit 3
● work · microsoft-owa   Ana Ruiz   Plan review
· personal · jmap       Finance    Plan receipt

$ corr agenda list --all-accounts \
    --start 2026-07-29T00:00:00Z \
    --end 2026-07-30T00:00:00Z

Connect an agent to the same local core:

corr integrations detect
corr integrations plan codex claude-code
corr integrations setup codex claude-code
# Phase A also includes github-copilot, gemini-cli, qwen-code, qoder, kimi-code

Then ask naturally:

Shortened. The full README is on GitHub.