Typed error thrown when the MCP gateway returns 429 (rate limited). Carries the parsed retryAfterMs delay so callers can honour the back-off period. retryAfterMs is 0 when no Retry-After / X-Retry-After header was present.
retryAfterMs
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Typed error thrown when the MCP gateway returns 429 (rate limited). Carries the parsed
retryAfterMsdelay so callers can honour the back-off period.retryAfterMsis 0 when no Retry-After / X-Retry-After header was present.