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Nous is open source under AGPL v3. Self-host in 10 minutes with Docker Compose, or try Nous Cloud if you’d rather skip the setup. ⭐ the repo on GitHub to follow along.
Building an AI agent against Nous? Skip ahead to the MCP Server or REST API.

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What is Nous?

Nous is the customer graph for GTM agents. It resolves every person, conversation, and touchpoint across your GTM tool stack (Apollo, HubSpot, Smartlead, Gmail, LinkedIn) into one account record, returned to an agent in a single MCP call.
  • One account record. Every contact, channel, and touch at an account, merged into a single source of truth.
  • Agent-ready. The full account returned in one MCP call as structured context, never a raw data dump.
  • Live sync. Outbound tools, communications, and CRM stay in lockstep, bi-directionally.
  • Open by default. AGPL v3, self-host free forever, or skip the setup with Nous Cloud.

Quickstart

Get Nous running and connect your first integration in under 10 minutes.

How it works

Identity resolution, signal ingestion, and the MCP connector.