Add the server
1
Add the server
Open the command palette, run MCP: Add Server, choose HTTP, paste
the address above, and name it Onsomble.
2
Sign in and approve
VS Code opens a browser window on first use. Sign in to Onsomble and approve
access.
Use it
Open Copilot Chat in agent mode, enable the Onsomble tools from the tools picker, then ask about one of your Sites. Name Onsomble in your first message and name the Site you mean. A few to start with are on the overview. To make the agent read the results like an analyst, install the Onsomble skills alongside the connection.API keys for scripts and CI
To store the connection in a workspace config or run it unattended, authenticate with an Onsomble API key instead of signing in. Create one in Settings → Account → API Keys: see the API overview. Keys start withons_ and are shown once at creation.
Add the server to .vscode/mcp.json in your workspace. The inputs block makes VS Code prompt for the key and store it securely, so nothing secret lands in the committed file: