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Notion custom agents can call external tools over the Model Context Protocol. Add Slashy as a custom connector once and your agent can draft and send email, check your calendar, prep meetings, and research contacts - all from inside Notion.
This is the reverse of the Notion integration. That article connects Slashy to Notion so Slashy can save threads to your pages. This guide connects Slashy’s tools into a Notion agent so the agent can act on your inbox and calendar.

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Prerequisites

  • A Slashy account signed in with Google. Sign up at slashy.com if you haven’t.
  • A Notion workspace where you can create or edit a custom agent (Notion’s custom agents / MCP connectors are available on plans that include Notion AI).
  • A browser available for the one-time OAuth login.

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Setup

1

Open your custom agent's connectors

In Notion, open the custom agent you want to extend (or create a new one), then open its Tools / Connectors settings and choose Add custom connector.
2

Add the Slashy MCP server

Fill in the connector form:
  • Name: Slashy
  • URL: https://slashy.ctrlcenter.ai/mcp
Save the connector.
3

Approve OAuth

Notion opens the Slashy login page. Sign in with Google and click Allow. Slashy uses OAuth 2.1 with PKCE - no API keys or static tokens to paste.
4

Verify the connection

Back in the agent, Slashy should show as connected with its tools available. Ask the agent “What Slashy tools are available?” and it will list them.

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What your Notion agent can do

Once connected, the agent can use Slashy’s full toolset:
  • Email - draft, send, reply, schedule, label, attach files from Drive
  • Calendar - create events, check availability, propose meeting times
  • Research - enrich contacts with LinkedIn, company news, and email history
  • Meeting prep - pull attendee profiles and past thread context
  • Reminders + triggers - create scheduled workflows from chat
See Using Slashy MCP for ready-made prompts.

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Security

  • OAuth 2.1 with PKCE - no static tokens; the connector stores only the URL.
  • Scoped to your Slashy account - tools respect the same permissions as Slashy itself.
  • Revoke any time - disconnect from your Slashy account settings or remove the connector in Notion.

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Next steps

Using Slashy MCP

Email prompts for triage, drafting, follow-ups, and scheduling.

Troubleshooting

Fixes for OAuth, missing tools, and wrong accounts.

Notion integration

Connect Slashy to Notion to save threads and summaries to your pages.

Slashy MCP overview

What Slashy MCP is and how it works.