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considering dark software factories→considering dark software factories -- changelog→blog post - Anthropic scaling managed agents 2026-04→storing secret credentials in proxies

storing secret credentials in proxies

^ storing credentials secrets in proxys

Reminds me of sidecars that work alongside containers

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blog post - Anthropic scaling managed agents 2026-04

For custom tools, we support MCP and store OAuth tokens in a secure vault. Claude calls MCP tools via a dedicated proxy; this proxy takes in a token associated with the session. The proxy can then fetch the corresponding credentials from the vault and make the call to the external service. The harness is never made aware of any credentials.
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storing secret credentials in proxies

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