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Sweep 28 Aug 2026 ยท 00:00Z Build v2.1.250 478 read Stable v2.1.236 Latest v2.1.250 Next v2.1.250 Feeds RSS JSON llms.txt

DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

One change

aws

manage-claude/wif-providers/aws

first seen The page's own history The capture it came from

Nearest release: v2.1.235, published an hour after this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

manage-claude/wif-providers/aws Changed · +2 / -2 lines

from line 431
   }" | jq
 ```
 
-A successful exchange returns an `access_token` beginning with `sk-ant-oat01-` and an `expires_in` value in seconds. On `400 invalid_grant`, see [Troubleshoot a failed exchange](https://platform.claude.com/docs/en/manage-claude/wif-reference#troubleshoot-a-failed-exchange); the most common AWS-side cause is an `iss` mismatch (the per-account STS issuer URL must match the registered `issuer_url` exactly).
+A successful exchange returns an `access_token` beginning with `sk-ant-oat01-` and an `expires_in` value in seconds. If the exchange fails with the opaque `401` `authentication_error` response (message `Authentication failed`), check the [authentication history page](https://platform.claude.com/settings/workload-identity-federation?tab=history) for the deny reason and see [Troubleshoot a failed exchange](https://platform.claude.com/docs/en/manage-claude/wif-reference#troubleshoot-a-failed-exchange); the most common AWS-side cause is an `iss` mismatch (the per-account STS issuer URL must match the registered `issuer_url` exactly).
 
 ## Use EKS projected service-account tokens
from line 785
   }" | jq
 ```
 
-A successful exchange returns an `access_token` beginning with `sk-ant-oat01-` and an `expires_in` value in seconds. On `400 invalid_grant`, see [Troubleshoot a failed exchange](https://platform.claude.com/docs/en/manage-claude/wif-reference#troubleshoot-a-failed-exchange); the most common EKS-side cause is the projected token's `aud` not matching the rule (project a token with `audience: https://api.anthropic.com`, not the IRSA default `sts.amazonaws.com`).
+A successful exchange returns an `access_token` beginning with `sk-ant-oat01-` and an `expires_in` value in seconds. If the exchange fails with the opaque `401` `authentication_error` response (message `Authentication failed`), check the [authentication history page](https://platform.claude.com/settings/workload-identity-federation?tab=history) for the deny reason and see [Troubleshoot a failed exchange](https://platform.claude.com/docs/en/manage-claude/wif-reference#troubleshoot-a-failed-exchange); the most common EKS-side cause is the projected token's `aud` not matching the rule (project a token with `audience: https://api.anthropic.com`, not the IRSA default `sts.amazonaws.com`).
 
 ## Scope your rule