CLAUDE_CODE_AWS_CHAIN_RESOLVE_TIMEOUT_MS

Updated October 13, 2026 by Alex Sorokoletov

CLAUDE_CODE_AWS_CHAIN_RESOLVE_TIMEOUT_MS is a Claude Code environment variable. Added between v2.1.143 and v2.1.212 and still present in v2.1.294. It is listed in the official reference.

Status	Present in v2.1.294
Added	Added between v2.1.143 and v2.1.212
Category	Cloud providers
Official docs	Listed

How to set it

For one session, export it in the shell that starts Claude Code:

export CLAUDE_CODE_AWS_CHAIN_RESOLVE_TIMEOUT_MS=<value>
claude

To apply it to every session, add it to the env object of a settings file:

// ~/.claude/settings.json
{
  "env": {
    "CLAUDE_CODE_AWS_CHAIN_RESOLVE_TIMEOUT_MS": "<value>"
  }
}

Related variables

ANTHROPIC_AWS_API_KEY
ANTHROPIC_AWS_BASE_URL
ANTHROPIC_AWS_WORKSPACE_ID
ANTHROPIC_SMALL_FAST_MODEL_AWS_REGION: AWS region for small fast model on Bedrock.
AWS_BEARER_TOKEN_BEDROCK: Bearer token for Bedrock authentication.
CLAUDE_CODE_SKIP_ANTHROPIC_AWS_AUTH: Skips credential resolution for the Anthropic AWS provider.
CLAUDE_CODE_SKIP_AWS_CRED_CACHE
CLAUDE_CODE_USE_ANTHROPIC_AWS: Selects "Claude Platform on AWS" as the API provider.

Frequently asked questions

Which Claude Code version has CLAUDE_CODE_AWS_CHAIN_RESOLVE_TIMEOUT_MS?

Added between v2.1.143 and v2.1.212 and still present in v2.1.294.

How do I set CLAUDE_CODE_AWS_CHAIN_RESOLVE_TIMEOUT_MS?

Export it before starting Claude Code (export CLAUDE_CODE_AWS_CHAIN_RESOLVE_TIMEOUT_MS=value), or add it to the "env" object in ~/.claude/settings.json to apply it to every session.

All variables, searchable: Claude Code environment variables.