Connect with sign-in
Most tools let you add a remote MCP server and sign in through the browser, so no keys change hands.1
Open the MCP settings
Find your tool’s connector or MCP settings. It may be called connectors,
integrations, tools, or MCP servers.
2
Add a custom server
Add a custom or remote server, paste the address above, and name it
Onsomble. If the tool asks for a transport, choose HTTP (sometimes
labelled Streamable HTTP).
3
Sign in and approve
When the tool asks for authentication, sign in to Onsomble in the browser
that opens and approve access.
Connect with an API key
Some tools, and most scripts, cannot open a browser to sign in. For those, authenticate with an Onsomble API key sent as a header. Create one in Settings → Account → API Keys: see the API overview. Keys start withons_ and are shown once at creation.
Add the server the same way, then set an HTTP header on it: