Calibration
QwenClawBench → MCP Atlas
MCP Atlas is estimated from QwenClawBench with a offset logistic curve fitted on 8 models measured on both: y = 0.4237 + (0.7481 − 0.4237) / (1 + exp(−200.00·(x − 0.5797))), R² = 0.67, cross-validated error 12.3 pp. It is used for 1 estimate.
| Estimated model | QwenClawBench | MCP Atlas | Source |
|---|---|---|---|
| Qwen 3.6 Max (preview) | 59.0% | 71.1% | estimated ± 12.3 pp, low confidence |