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Documentation Index

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The Ontoic MCP integration gives AI assistants like Claude direct access to your knowledge graph. You can capture content from a conversation into your graph, query your graph from within a chat thread, and let your AI assistant draw on everything you know — all without leaving the tool you are working in.

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What is MCP

Model Context Protocol (MCP) is an open standard that lets AI assistants connect to external tools and data sources. Instead of copying and pasting between applications, you configure an MCP server once and your AI assistant can read from and write to that system directly during a conversation. Ontoic provides an MCP server that exposes your knowledge graph as an MCP-compatible tool. Any assistant that supports MCP — including Claude — can connect to it.

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What you can do with MCP

Once the Ontoic MCP server is connected to your assistant, you can:
  • Capture from a Claude thread — send content from your current conversation directly into your Ontoic graph. A new node is created, embedded in the context of your existing knowledge, and connected to related nodes automatically.
  • Query your graph from within Claude — ask Claude to search or summarise your Ontoic graph as part of a conversation. Relevant nodes surface as context, with citations you can trace back to their source.

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Setting up the MCP server

1

Go to account settings in Ontoic

Sign in to Ontoic and open Account Settings from the navigation menu.
2

Copy your MCP endpoint URL

Find the MCP Server section in your account settings. Copy the MCP endpoint URL shown there — this is the address your AI assistant will use to connect to your graph.
3

Add the Ontoic MCP server to your assistant

In Claude (or your MCP-compatible assistant), open the settings for external tools or MCP servers. Add a new server and paste in the Ontoic endpoint URL you copied in the previous step.
4

Authenticate with your session token

When prompted, enter your Ontoic session token as the authentication credential. You can find your session token in the MCP Server section of your account settings, alongside the endpoint URL.
Once connected, your assistant will list Ontoic as an available tool. You can start capturing and querying your graph from within your next conversation.

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Agent API (Pro)

Pro plan users get access to the Ontoic Agent API in addition to the MCP server. The Agent API lets you query and write to your knowledge graph programmatically — useful for building automations, scripts, or custom integrations that interact with your graph outside of a chat interface. See billing and plans for details on upgrading to Pro.
The Ontoic MCP server is available on the Free plan. You do not need a paid subscription to connect Claude or another MCP-compatible assistant to your knowledge graph.