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Connections are added inside an Access bundle. At claude.ai/admin-settings/claude-tag, open Access bundles in the left navigation, click into a bundle (or Create one), and go to its Credentials tab.
Connecting Stripe lets Claude answer billing and subscription questions from any channel under the bundle’s scope. You add it as a connection inside an Access bundle; the credential belongs to the agent, not to any person. Pair this connection with the Stripe plugin from Anthropic’s plugin marketplace so Claude knows how to call the API; see Attach plugins. This is an HTTP API connection, not an MCP server or a personal claude.ai connector.

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Create the credential in Stripe

Use a restricted key with read-only resource permissions, not your account’s full secret key. Consider connecting test mode first. Stripe’s own guide for creating the credential is at docs.stripe.com.

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Add the connection to a bundle

In the bundle, click Connect next to Stripe.
FieldValue
Claude’s secret keyThe secret key from Stripe
Allowed websitesapi.stripe.com (preset). To add a different host, use the Advanced tab.
The field labeled Claude’s secret key accepts a restricted key; the label is the field name, not a key-type constraint. The Agent Proxy injects the credential at the network boundary; the model and the sandbox are not given the key. See how Agent Proxy works.

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Verify the connection

In a channel under the bundle’s scope, in a new thread: 
@Claude what can you access from this channel?
Stripe appears in the list once the connection is live. New connections apply to new threads only.