{"name":"CLAUDE_CODE_AWS_CHAIN_RESOLVE_TIMEOUT_MS","slug":"claude-code-aws-chain-resolve-timeout-ms","family":"env","title":"Environment variables","noun":"environment variable","description":"Time in milliseconds Claude Code waits for the AWS default credential provider chain to produce credentials before the request fails with [`AWS default-chain credential resolve timed out`](\/docs\/en\/errors#aws-default-chain-credential-resolve-timed-out) (default: `60000`). Raise it when a step in your chain legitimately needs longer, such as a browser-based SSO sign-in with MFA through a wrapper like `aws-vault`. Applies wherever Claude Code signs with the default chain: [Amazon Bedrock](\/docs\/en\/amazon-bedrock#credential-caching-and-resolution-timeout), [Claude Platform on AWS](\/docs\/en\/claude-platform-on-aws), and the [Mantle endpoint](\/docs\/en\/amazon-bedrock#use-the-mantle-endpoint). Requires Claude Code v2.1.207 or later","description_source":"docs","described_by":{"doc":"claude-code\/env-vars","title":"Environment variables"},"presence":{"first_seen":"2.1.207","removed_in":null,"in_current_build":true,"newest_mined":"2.1.309","builds":91,"mined_builds":150,"first_cited":{"version":"2.1.207","released_at":"2026-07-10 22:25:09","spans":2}},"aliases":[],"entries":[{"version":"2.1.261","anchor":"new-aws-bedrock-timeout-with-configurable-override","heading":"New AWS Bedrock timeout with configurable override","line":"AWS credential lookups now time out with a clearer error, and you can raise the timeout via an env var.","released_at":"2026-09-04 17:49:34","reason":"found in this entry's text, named in this entry"},{"version":"2.1.207","anchor":"aws-default-chain-credential-resolve-timeout","heading":"AWS Default-Chain Credential Resolve Timeout","line":null,"released_at":"2026-07-10 22:25:09","reason":"found in this entry's text"}],"entries_total":2,"docs":[{"source":"claude-code","path":"env-vars","title":"Environment variables","documented":true},{"source":"claude-code","path":"amazon-bedrock","title":"Claude Code on Amazon Bedrock","documented":false},{"source":"claude-code","path":"errors","title":"Error reference","documented":false}],"docs_total":3,"gates":[],"related":[],"url":"https:\/\/changelogs.core-directive.com\/reference\/env\/claude-code-aws-chain-resolve-timeout-ms","family_url":"https:\/\/changelogs.core-directive.com\/reference\/env.json"}