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Merge pull request #1585 from 0xbyt4/fix/anthropic-error-handling

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fix(anthropic): retry 429/529 errors and surface error details to users
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Teknium 2026-03-16 15:46:06 -07:00 • committed by GitHub
commit e6cf1c94a8
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3 changed files with 506 additions and 4 deletions
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run_agent.py
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@ -5542,10 +5542,13 @@ class AIAgent:
# These indicate a problem with the request itself (bad model ID,
# invalid API key, forbidden, etc.) and will never succeed on retry.
# Note: 413 and context-length errors are excluded — handled above.
# 429 (rate limit) is transient and MUST be retried with backoff.
# 529 (Anthropic overloaded) is also transient.
# Also catch local validation errors (ValueError, TypeError) — these
# are programming bugs, not transient failures.
_RETRYABLE_STATUS_CODES = {413, 429, 529}
is_local_validation_error = isinstance(api_error, (ValueError, TypeError))
is_client_status_error = isinstance(status_code, int) and 400 <= status_code < 500 and status_code != 413
is_client_status_error = isinstance(status_code, int) and 400 <= status_code < 500 and status_code not in _RETRYABLE_STATUS_CODES
is_client_error = (is_local_validation_error or is_client_status_error or any(phrase in error_msg for phrase in [
'error code: 401', 'error code: 403',
'error code: 404', 'error code: 422',