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MCP (Model Context Protocol) is an open protocol for connecting agents to external tools and data sources. You can add custom MCP servers to Realm to extend your agents’ capabilities beyond built-in tools.
MCP servers are not available on trial plans.

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Adding a server

1

Open MCP settings

Click Add MCP Server from the Tools page. You can either connect a Featured MCP Server with one click, or add a custom server manually.
Add MCP Server button
Featured MCP Servers
2

Enter server URL

Provide the URL of the MCP server.
3

Choose transport type

Select HTTP or SSE (Server-Sent Events).
4

Configure authentication

Choose OAuth or Bearer Token and enter the required credentials. You can also add custom headers (e.g. x-api-key or vendor version headers). The Authorization header is managed separately by the authentication type.
5

Name the connection

Optionally give the connection a descriptive name. This is useful when connecting to the same server multiple times with different credentials.
6

Add the server

Click Connect to complete the setup.
Add MCP Server form
Realm highlights several popular MCP servers for quick one-click setup:

Atlassian

Intercom

Linear

Notion

Sentry

Stripe

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Managing servers

Once added, you can reconnect or delete MCP servers from the Tools page.