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The MCP Servers screen is where you give agents tools from the outside world — Model Context Protocol servers you host, and SaaS apps you connect over OAuth. For what MCP is and how agents consume it, see MCP integration. The screen has three tabs.

Servers

Your reusable MCP catalog entries.

Connected Apps

OAuth into 250+ SaaS apps via Composio.

Connections

Active and in-flight OAuth connections.

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Servers

This tab is your catalog of reusable MCP servers. Each entry can be attached to any agent, so you register a server once and reuse it everywhere.
MCP Servers page with Servers, Connected Apps, and Connections tabs

MCP — reusable server definitions, plus Connected Apps and live Connections tabs.

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Add or edit a server

1

Open the dialog

Click New server (or Edit on a row) to open the server dialog.
2

Fill in the details

3

Reference secrets in headers

Header values can reference the secret vault with secret://<name> (for example an Authorization header set to secret://my-mcp-token). The plaintext is resolved at request time and never stored in the header itself. See Secrets.
4

Test the connection

Click Test connection to reach the server. On success it shows the round-trip latency and the server’s tool list, so you can confirm the URL, transport, and headers before saving.
You can create, edit, and delete catalog entries from this tab.
Rows that are owned by a Connected App are managed for you and shown read-only — edit or remove them from the Connected Apps or Connections tab instead.

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Connected Apps

This tab connects agents to SaaS apps through Composio, which brokers OAuth to 250+ providers (Gmail, Slack, Notion, GitHub, and more). See Connected apps. The tab is an app-card gallery with a search box and a category filter.
1

Find an app

Search or filter by category, then pick the app card.
2

Connect

Click Connect. An OAuth popup opens for you to authorize. Orca polls the connection until it reaches ACTIVE.
3

Auto-registration

On success Orca auto-registers an MCP server for the app — it appears (read-only) under Servers and is ready to attach to agents.
Use Disconnect on a connected app to revoke it.
If the Composio integration isn’t configured for your deployment, this tab shows a setup hint instead of the gallery.

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Connections

This tab is a table of every active and in-flight OAuth connection, so you can audit what’s linked and clean up stale entries. Click Disconnect on a row to revoke the OAuth grant and tear down its connection.

MCP integration

How agents discover and call MCP tools.

Connected apps

OAuth-based SaaS integrations via Composio.

Secrets

Store tokens referenced as secret://.

Agents

Attach MCP servers to an agent.