diff --git a/litellm/constants.py b/litellm/constants.py
index 530d678457d..8a74ca21ff9 100644
--- a/litellm/constants.py
+++ b/litellm/constants.py
@@ -46,6 +46,19 @@ ROUTER_SETTINGS_MANAGED_OUTSIDE_CONFIG: Final[frozenset[str]] = frozenset(
 )
 DEFAULT_BATCH_SIZE: Final = int(os.getenv("DEFAULT_BATCH_SIZE", 512))
 DEFAULT_FLUSH_INTERVAL_SECONDS: Final = int(os.getenv("DEFAULT_FLUSH_INTERVAL_SECONDS", 5))
+# Agent tracing / ClickHouse
+CLICKHOUSE_BATCH_SIZE: Final = int(os.getenv("CLICKHOUSE_BATCH_SIZE", 10_000))
+CLICKHOUSE_FLUSH_INTERVAL_SECONDS: Final = float(os.getenv("CLICKHOUSE_FLUSH_INTERVAL_SECONDS", 1.0))
+CLICKHOUSE_MAX_BUFFERED_ROWS: Final = int(os.getenv("CLICKHOUSE_MAX_BUFFERED_ROWS", 200_000))
+CLICKHOUSE_MAX_RETRIES: Final = int(os.getenv("CLICKHOUSE_MAX_RETRIES", 3))
+AGENT_TRACING_RETENTION_DAYS: Final = int(os.getenv("AGENT_TRACING_RETENTION_DAYS", 30))
+AGENT_TRACING_SPEND_LOG_RETENTION_DAYS: Final = int(os.getenv("AGENT_TRACING_SPEND_LOG_RETENTION_DAYS", 90))
+OTLP_MAX_BODY_BYTES: Final = int(os.getenv("OTLP_MAX_BODY_BYTES", 8 * 1024 * 1024))
+OTLP_MAX_ATTRIBUTE_VALUE_BYTES: Final = int(os.getenv("OTLP_MAX_ATTRIBUTE_VALUE_BYTES", 64 * 1024))
+OTLP_RETRY_AFTER_SECONDS: Final = int(os.getenv("OTLP_RETRY_AFTER_SECONDS", 2))
+OTLP_OFFLOAD_DECODE_BYTES: Final = int(os.getenv("OTLP_OFFLOAD_DECODE_BYTES", 256 * 1024))
+AGENT_TRACING_INPUT_PREVIEW_CHARS: Final = int(os.getenv("AGENT_TRACING_INPUT_PREVIEW_CHARS", 240))
+AGENT_TRACING_LIST_PAGE_SIZE: Final = int(os.getenv("AGENT_TRACING_LIST_PAGE_SIZE", 50))
 DEFAULT_S3_FLUSH_INTERVAL_SECONDS: Final = int(os.getenv("DEFAULT_S3_FLUSH_INTERVAL_SECONDS", 10))
 DEFAULT_S3_BATCH_SIZE: Final = int(os.getenv("DEFAULT_S3_BATCH_SIZE", 512))
 DEFAULT_S3_MAX_CONCURRENT_UPLOADS: Final = int(os.getenv("DEFAULT_S3_MAX_CONCURRENT_UPLOADS", "16"))