Remove anthropic api token from http auth#564
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An inbound api_key is now only ever a client credential, never forwarded to the LLM: - known client -> swap in its stored Anthropic key - known client, NULL key -> 500 (server misconfig, reported to Sentry) - unknown key -> 401 (verified unknown) / 503 (store unreachable) - no api_key -> global ANTHROPIC_API_KEY, else 401 Drops the sk-ant- shape check and the `forward` KeyResolution tag. Also trims unactionable logging (internal-token mismatch and max-staleness eviction no longer warn/report) and tidies comments in instance-auth.ts.
stuartc
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josephjclark
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Jun 30, 2026
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Short Description
Tightens instance auth so an inbound
api_keyis only ever treated as a client credential, never forwarded to Anthropic. Drops the oldsk-ant-bring-your-own-key path.Fixes #
Implementation Details
Previously an unknown
sk-ant--shaped key was forwarded to the LLM as a bring-your-own key. That path is gone. Anapi_keynow resolves one of four ways:NULLstored key → 500 (server misconfig, reported to Sentry)api_key→ globalANTHROPIC_API_KEY, else 401Removed the
forwardKeyResolutiontag and the shape check that went with it. Also trimmed a couple of log lines that were either routine or not actionable: the internal-token mismatch no longer reports to Sentry (it's a config/forgery signal, not a bug), and a max-staleness cache eviction no longer warns (happens whenever the DB lags). Tidied the comments ininstance-auth.tswhile I was in there.AI Usage