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Connect an External MCP Server

Connecting an external MCP server gives Apollo new tools — but only after you’ve reviewed what each one does.

Steps

Section titled “Steps”
  1. Go to Settings → Connections.
  2. Add a server. Choose the auth type — None, Bearer, or OAuth — and a scope (global or per project). Credentials come from the Vault.
    • Or pick a pre-classified bundle from the Gallery (GitHub, Stripe, Gmail are ”✓ Verified”), or Import from GitHub.
  3. Orbit discovers the server’s tools. Each one arrives in a review-before-enable state, with any untrusted descriptions quarantined.
  4. Classify and then enable each tool you want Apollo to be able to call.
  5. Apollo now has an mcp.<server>.<tool> handle for each enabled tool, running through the same approval flow as Orbit’s own actions.

Testing and debugging

Section titled “Testing and debugging”

Under Settings → Developer → MCP Testing, run a real tool call with a schema-generated form (Raw and Envelope tabs, copy-as-curl). MCP Debug shows a redacted call log. To temporarily disable a server without deleting it, use the toggle under Developer Settings → MCP Servers.

Section titled “Related”