diff --git a/benchmarks/skillsbench/config.py b/benchmarks/skillsbench/config.py
index 8b55a92b..8f275037 100644
--- a/benchmarks/skillsbench/config.py
+++ b/benchmarks/skillsbench/config.py
@@ -1,8 +1,11 @@
 """SkillsBench configuration defaults."""
 
+from benchmarks.utils.harbor_compat import get_harbor_dataset
+
+
 # Default inference settings (only include values actually used by argparse)
 INFER_DEFAULTS = {
-    "dataset": "benchflow/skillsbench",
+    "dataset": get_harbor_dataset("skillsbench"),
     "output_dir": "./evaluation_outputs",
     "num_workers": 1,
 }
diff --git a/benchmarks/terminalbench/config.py b/benchmarks/terminalbench/config.py
index 35748c0f..e132c062 100644
--- a/benchmarks/terminalbench/config.py
+++ b/benchmarks/terminalbench/config.py
@@ -1,8 +1,11 @@
 """Terminal-Bench configuration defaults."""
 
+from benchmarks.utils.harbor_compat import get_harbor_dataset
+
+
 # Default inference settings (only include values actually used by argparse)
 INFER_DEFAULTS = {
-    "dataset": "terminal-bench@2.0",
+    "dataset": get_harbor_dataset("terminalbench"),
     "output_dir": "./evaluation_outputs",
     "num_workers": 1,
 }
diff --git a/benchmarks/utils/harbor_compat.py b/benchmarks/utils/harbor_compat.py
new file mode 100644
index 00000000..8ea2ca62
--- /dev/null
+++ b/benchmarks/utils/harbor_compat.py
@@ -0,0 +1,51 @@
+"""Harbor dataset names for benchmarks with Harbor-backed wrappers."""
+
+from __future__ import annotations
+
+from collections.abc import Mapping
+from types import MappingProxyType
+
+
+HARBOR_DATASET_BY_BENCHMARK: Mapping[str, str] = MappingProxyType(
+    {
+        "gaia": "gaia",
+        "multiswebench": "multi-swe-bench",
+        "skillsbench": "benchflow/skillsbench",
+        "swebench": "swebench-verified",
+        "swebenchmultilingual": "swebench_multilingual",
+        "swebenchpro": "swebenchpro",
+        "swesmith": "swesmith",
+        "swtbench": "swtbench-verified",
+        "swegym": "swegym",
+        "terminalbench": "terminal-bench@2.0",
+    }
+)
+
+
+def normalize_benchmark_name(benchmark_name: str) -> str:
+    """Normalize benchmark names to the package/module key used in this repo."""
+    return (
+        benchmark_name.strip()
+        .lower()
+        .replace("-", "")
+        .replace("_", "")
+        .replace("/", "")
+    )
+
+
+def is_harbor_covered(benchmark_name: str) -> bool:
+    """Return whether the benchmark has a Harbor dataset mapping."""
+    return normalize_benchmark_name(benchmark_name) in HARBOR_DATASET_BY_BENCHMARK
+
+
+def get_harbor_dataset(benchmark_name: str) -> str:
+    """Return the Harbor dataset name for a covered benchmark."""
+    key = normalize_benchmark_name(benchmark_name)
+    try:
+        return HARBOR_DATASET_BY_BENCHMARK[key]
+    except KeyError as exc:
+        supported = ", ".join(sorted(HARBOR_DATASET_BY_BENCHMARK))
+        raise KeyError(
+            f"No Harbor dataset mapping for {benchmark_name!r}. "
+            f"Supported benchmarks: {supported}"
+        ) from exc
diff --git a/tests/test_harbor_compat.py b/tests/test_harbor_compat.py
new file mode 100644
index 00000000..016e1fdb
--- /dev/null
+++ b/tests/test_harbor_compat.py
@@ -0,0 +1,56 @@
+"""Tests for Harbor benchmark compatibility mappings."""
+
+import operator
+from typing import Any, cast
+
+import pytest
+
+from benchmarks.skillsbench.config import INFER_DEFAULTS as SKILLS_DEFAULTS
+from benchmarks.terminalbench.config import INFER_DEFAULTS as TERMINAL_DEFAULTS
+from benchmarks.utils.harbor_compat import (
+    HARBOR_DATASET_BY_BENCHMARK,
+    get_harbor_dataset,
+    is_harbor_covered,
+    normalize_benchmark_name,
+)
+
+
+def test_known_harbor_dataset_mappings() -> None:
+    """Test Harbor dataset names for covered OpenHands benchmark modules."""
+    assert get_harbor_dataset("swebench") == "swebench-verified"
+    assert get_harbor_dataset("swebenchpro") == "swebenchpro"
+    assert get_harbor_dataset("swebenchmultilingual") == "swebench_multilingual"
+    assert get_harbor_dataset("swtbench") == "swtbench-verified"
+    assert get_harbor_dataset("swesmith") == "swesmith"
+    assert get_harbor_dataset("multiswebench") == "multi-swe-bench"
+    assert get_harbor_dataset("gaia") == "gaia"
+    assert get_harbor_dataset("skillsbench") == "benchflow/skillsbench"
+    assert get_harbor_dataset("terminalbench") == "terminal-bench@2.0"
+    assert get_harbor_dataset("swegym") == "swegym"
+
+
+def test_harbor_dataset_mapping_is_read_only() -> None:
+    """Test callers cannot mutate the shared Harbor dataset registry."""
+    mapping_as_any = cast(Any, HARBOR_DATASET_BY_BENCHMARK)
+    with pytest.raises(TypeError):
+        operator.setitem(mapping_as_any, "commit0", "commit0")
+
+
+def test_name_normalization_accepts_cli_style_names() -> None:
+    """Test hyphen/underscore variants normalize to the same mapping key."""
+    assert normalize_benchmark_name("SWE-Bench_Pro") == "swebenchpro"
+    assert get_harbor_dataset("swe-bench-pro") == "swebenchpro"
+    assert get_harbor_dataset("terminal-bench") == "terminal-bench@2.0"
+
+
+def test_uncovered_benchmark_is_explicit() -> None:
+    """Test benchmarks without Harbor adapters are not silently mapped."""
+    assert is_harbor_covered("commit0") is False
+    with pytest.raises(KeyError, match="No Harbor dataset mapping"):
+        get_harbor_dataset("commit0")
+
+
+def test_harbor_backed_defaults_use_mapping() -> None:
+    """Test existing Harbor-backed wrappers consume the shared mapping."""
+    assert SKILLS_DEFAULTS["dataset"] == HARBOR_DATASET_BY_BENCHMARK["skillsbench"]
+    assert TERMINAL_DEFAULTS["dataset"] == HARBOR_DATASET_BY_BENCHMARK["terminalbench"]