Cairn

Anthropic sk-ant-usr key misclassification fix

NousResearch/hermes-agent · cluster 133856 · agent

Data as of

Nothing open on GitHub. Fix merged in #137140. Check it covers your case.

The short answer

0open issues
0open PRs
7items grouped
Known?
Yes. 7 related items grouped here, 1 issue already closed.
Fix event
A fix was merged to main in PR #137140. Check it covers your case. No release data is tracked.
Tracker
The maintainers' tracker marks this resolved, deciding PR #137140. That is separate from the fix event.
Still open
Nothing open on GitHub.

A bug where Anthropic API keys with the sk-ant-usr prefix are incorrectly classified as OAuth tokens instead of x-api-key credentials. Multiple fixes and a bug report address correcting this classification logic.

Open issues0

No open issues.

Open PRs0

No open pull requests.

Fixes on record

Merged to main. A stamp counts the issues a fix is linked to.

  • #137140 fix(auth): Anthropic Console keys (sk-ant-usr/svc/admin) authenticate as x-api-key, not OAuth (#133856, salvage #133874)

    merged to main

    files: agent/anthropic_adapter.py, agent/anthropic_credentials.py, tests/agent/test_anthropic_adapter.py, tests/agent/test_anthropic_client_auth.py, tests/agent/test_anthropic_route_oauth_identity.py

5 PRs closed without merging

From the close comments: merged via another change 3 · duplicate 1 · partial fix 1

  • #133874 fix(auth): classify sk-ant-usr* API keys as x-api-key, not OAuth · merged via another change → 82ef40a, #137140
  • #133875 fix(auth): classify Anthropic user keys as API keys · duplicate → #133856, #133874
  • #135172 fix(anthropic): stop treating sk-ant-usr workspace API keys as OAuth tokens · merged via another change → 82ef40a, #137140
  • #135734 fix(agent): _is_oauth_token() misclassifying sk-ant-svc/usr keys as OAuth · partial fix → d50ab2a, cf23a1a, 26610b0, #101555, #123361, #107448, #75697, #113992, #80307, #135091, #133874, #135172
  • #136142 fix(anthropic): route API key families through x-api-key, not OAuth · merged via another change → 82ef40a, #137140
Closed issues · 1
  • Closed#133856[Bug]: Anthropic API keys with sk-ant-usr- prefix are misclassified as OAuth tokens (Claude Code identity on a pay-per-token key)
How this cluster was grouped
  • Link evidence (structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
  • Pairwise link density 0.29: the share of item pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36. 1.00 means every pair is linked.

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At a glance

Subsystem
agent
Merged PRs
#137140
Closed issues
1
Attempts
5 PRs closed without merging
Fix link checked
12 Oct 2026

For your agent

The same facts, typed.

cluster/133856.json
cluster/133856.md