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Get Started Free →Extracts medical entities (Diseases, Medications, Procedures) from unstructured clinical text using regex and simple rules (or LLM wrappers).
.claude/skills/clinical-nlp-extractor/SKILL.md| Model | Eval pass | Runs |
|---|---|---|
| gemini-3.6-flash | 71% | 9 |
| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-02 | ✗→✓ | ▲ Improved | -40% | 0% |
| case-03 | ✗→✓ | ▲ Improved | -54% | 0% |
| case-07 | ✗→✓ | ▲ Improved | -70% | 0% |
| case-11 | ✗→✓ | ▲ Improved | -38% | 0% |
| case-16 | ✗→✓ | ▲ Improved | -11% | 0% |
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The Clinical NLP Skill converts free-text clinical notes into structured data. It identifies key medical entities like problems/diagnoses, medications, and procedures.
User: "Extract entities from this note."
Agent Action:
bashpython3 Skills/Clinical/Clinical_NLP/entity_extractor.py \ --text "Patient has diabetes type 2. Prescribed Metformin 500mg. No chest pain." \ --output entities.json
<!-- AUTHOR_SIGNATURE: 9a7f3c2e-MD-BABU-MIA-2026-MSSM-SECURE -->| Case | Status | Duration (ms) | Turns | Tokens | Tool calls | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Without | With | Δ | Without | With | Δ | Without | With | Δ | Without | With | Δ | ||
case-01 | fail→fail | 1,581 | 9,285 | +487% | 1 | 1 | 0% | 247 | 2,282 | +824% | 0 | 0 | — |
case-02 | fail→pass | 8,432 | 2,903 | -66% | 1 | 1 | 0% | 1,500 | 903 | -40% | 0 | 0 | — |
case-03 | fail→pass | 9,982 | 2,926 | -71% | 1 | 1 | 0% | 2,008 | 919 | -54% | 0 | 0 | — |
case-04 | pass→pass | 8,847 | 1,402 | -84% | 1 | 1 | 0% | 1,508 | 640 | -58% | 0 | 0 | — |
case-05 | pass→pass | 5,462 | 1,894 | -65% | 1 | 1 | 0% | 880 | 739 | -16% | 0 | 0 | — |
case-06 | pass→pass | 5,201 | 1,774 | -66% | 1 | 1 | 0% | 924 | 659 | -29% | 0 | 0 | — |
case-07 | fail→pass | 12,842 | 1,798 | -86% | 1 | 1 | 0% | 2,105 | 640 | -70% | 0 | 0 | — |
case-08 | pass→pass | 4,836 | 2,513 | -48% | 1 | 1 | 0% | 851 | 821 | -4% | 0 | 0 | — |
case-09 | pass→pass | 8,114 | 1,715 | -79% | 1 | 1 | 0% | 1,543 | 712 | -54% | 0 | 0 | — |
case-10 | pass→pass | 5,844 | 2,144 | -63% | 1 | 1 | 0% | 949 | 728 | -23% | 0 | 0 | — |
case-11 | fail→pass | 7,072 | 1,885 | -73% | 1 | 1 | 0% | 1,245 | 768 | -38% | 0 | 0 | — |
case-12 | pass→pass | 7,495 | 2,122 | -72% | 1 | 1 | 0% | 1,143 | 744 | -35% | 0 | 0 | — |
case-13 | pass→pass | 15,517 | 4,620 | -70% | 1 | 1 | 0% | 2,641 | 1,244 | -53% | 0 | 0 | — |
case-14 | fail→fail | 3,585 | 1,475 | -59% | 1 | 1 | 0% | 542 | 604 | +11% | 0 | 0 | — |
case-15 | pass→fail | 4,719 | 1,698 | -64% | 1 | 1 | 0% | 862 | 678 | -21% | 0 | 0 | — |
case-16 | fail→pass | 5,849 | 3,393 | -42% | 1 | 1 | 0% | 920 | 816 | -11% | 0 | 0 | — |
case-17 | pass→pass | 7,794 | 3,734 | -52% | 1 | 1 | 0% | 1,434 | 1,100 | -23% | 0 | 0 | — |
case-18 | fail→pass | 12,770 | 1,862 | -85% | 1 | 1 | 0% | 2,094 | 721 | -66% | 0 | 0 | — |
case-19 | pass→pass | 5,981 | 2,044 | -66% | 1 | 1 | 0% | 1,015 | 703 | -31% | 0 | 0 | — |
case-20 | pass→pass | 5,375 | 2,550 | -53% | 1 | 1 | 0% | 1,019 | 826 | -19% | 0 | 0 | — |
case-21 | pass→pass | 9,164 | 2,940 | -68% | 1 | 1 | 0% | 1,629 | 860 | -47% | 0 | 0 | — |
case-22 | pass→pass | 12,697 | 6,372 | -50% | 1 | 1 | 0% | 2,201 | 1,421 | -35% | 0 | 0 | — |
case-23 | pass→pass | 15,578 | 5,271 | -66% | 1 | 1 | 0% | 2,615 | 1,263 | -52% | 0 | 0 | — |
case-24 | pass→pass | 13,793 | 5,012 | -64% | 1 | 1 | 0% | 2,353 | 1,235 | -48% | 0 | 0 | — |
DecimalAI ran this skill against gemini-3.6-flash twice over the same eval suite — once with the skill loaded and once without — and compared the two runs case by case. 24 cases were attempted. The headline lift of +21 percentage points is the difference between those two pass rates over the 24 comparable cases. 1 case got worse with the skill loaded, and it is included in that figure.
Without the skill loaded, the model failed this case. With it loaded, the same prompt on the same model passed. This is one improved case from the latest verified run; every case, including any that regressed, is in the table above.
| Model | Method | Date | Lift |
|---|---|---|---|
| gemini-3.6-flash | verified | 7/28/2026 | +36% |
Other measured skills in the registry, with their headline benchmark lift.