tooluniverse-rare-disease-diagnosis
Provide differential diagnosis for patients with suspected rare diseases based on phenotype and genetic data. Matches symptoms to HPO terms, identifies candidate diseases from Orphanet/OMIM, prioritizes genes for testing, interprets variants of uncertain significance. Use when clinician asks about rare disease diagnosis, unexplained phenotypes, or genetic testing interpretation.
Best use case
tooluniverse-rare-disease-diagnosis is best used when you need a repeatable AI agent workflow instead of a one-off prompt.
Provide differential diagnosis for patients with suspected rare diseases based on phenotype and genetic data. Matches symptoms to HPO terms, identifies candidate diseases from Orphanet/OMIM, prioritizes genes for testing, interprets variants of uncertain significance. Use when clinician asks about rare disease diagnosis, unexplained phenotypes, or genetic testing interpretation.
Teams using tooluniverse-rare-disease-diagnosis should expect a more consistent output, faster repeated execution, less prompt rewriting.
When to use this skill
- You want a reusable workflow that can be run more than once with consistent structure.
When not to use this skill
- You only need a quick one-off answer and do not need a reusable workflow.
- You cannot install or maintain the underlying files, dependencies, or repository context.
Installation
Claude Code / Cursor / Codex
Manual Installation
- Download SKILL.md from GitHub
- Place it in
.claude/skills/tooluniverse-rare-disease-diagnosis/SKILL.mdinside your project - Restart your AI agent — it will auto-discover the skill
How tooluniverse-rare-disease-diagnosis Compares
| Feature / Agent | tooluniverse-rare-disease-diagnosis | Standard Approach |
|---|---|---|
| Platform Support | Not specified | Limited / Varies |
| Context Awareness | High | Baseline |
| Installation Complexity | Unknown | N/A |
Frequently Asked Questions
What does this skill do?
Provide differential diagnosis for patients with suspected rare diseases based on phenotype and genetic data. Matches symptoms to HPO terms, identifies candidate diseases from Orphanet/OMIM, prioritizes genes for testing, interprets variants of uncertain significance. Use when clinician asks about rare disease diagnosis, unexplained phenotypes, or genetic testing interpretation.
Where can I find the source code?
You can find the source code on GitHub using the link provided at the top of the page.
Related Guides
SKILL.md Source
# Rare Disease Diagnosis Advisor Systematic diagnosis support for rare diseases using phenotype matching, gene panel prioritization, and variant interpretation across Orphanet, OMIM, HPO, ClinVar, and structure-based analysis. **KEY PRINCIPLES**: 1. **Report-first** - Create report file FIRST, update progressively 2. **Phenotype-driven** - Convert symptoms to HPO terms before searching 3. **Multi-database triangulation** - Cross-reference Orphanet, OMIM, OpenTargets 4. **Evidence grading** - Grade diagnoses by supporting evidence strength 5. **English-first queries** - Always use English terms in tool calls ## LOOK UP, DON'T GUESS When uncertain about any scientific fact, SEARCH databases first rather than reasoning from memory. --- ## COMPUTE, DON'T DESCRIBE When analysis requires computation (statistics, data processing, scoring, enrichment), write and run Python code via Bash. Don't describe what you would do — execute it and report actual results. Use ToolUniverse tools to retrieve data, then Python (pandas, scipy, statsmodels, matplotlib) to analyze it. ## Clinical Reasoning Framework (BEFORE Tools) Apply these strategies to form a 3-5 candidate differential, then use tools to confirm/refute: 1. **Multi-system involvement** - Symptoms spanning 2+ organ systems = strongest rare disease signal. Ask: what single pathway explains ALL features? 2. **Regression question** - Losing abilities vs never acquired? Regression = neurodegenerative/metabolic storage. Stable = developmental/structural. 3. **Trigger question** - Episodic/triggered (fasting, illness, exercise) = metabolic disorder (often treatable). Constitutive = structural/degenerative. 4. **Rarest feature first** - Build differential from most specific finding, not most prominent. Check remaining features for consistency. 5. **Treatable-first** - Move treatable conditions to top for urgent workup (enzyme replacement, dietary, chelation, vitamin-responsive). 6. **Occupational/environmental exposure** - Latency up to 50 years. Asbestos/silica/heavy metals/solvents/farming. Always ask about PAST jobs. 7. **Autoimmune differential** - Which joints? Symmetric? Extra-articular? Serologic pattern? Organ under attack? 8. **Rare syndrome signals** - Named triads, common diagnoses failing to explain ALL findings, failed standard treatment, unusual lab findings. 9. **Tools verify, not generate** - Form hypothesis first, then use databases to confirm. **Common pitfalls**: Felty's (RA+splenomegaly+neutropenia) mimics infection; SLE nephritis mimics PSGN (check ASO); occupational exposures trigger autoimmunity (silica→scleroderma/RA/SLE). --- ## Tool Parameter Corrections | Tool | WRONG | CORRECT | |------|-------|---------| | `OpenTargets_get_associated_drugs_by_target_ensemblID` | `ensemblID` | `ensemblId` | | `ClinVar_get_variant_details` | `variant_id` | `id` | | `MyGene_query_genes` | `gene` | `q` | | `gnomad_get_variant` | `variant` | `variant_id` | --- ## Workflow ``` Phase 0: Clinical Reasoning → 3-5 candidate differential Phase 1: Phenotype → HPO terms (HPO_search_terms), core vs variable, onset, family history Phase 2: Disease Matching → Orphanet_search_diseases, OMIM_search, DisGeNET_search_gene Phase 3: Gene Panel → ClinGen validation, GTEx expression, prioritization scoring Phase 3.5: Expression Context → CELLxGENE, ChIPAtlas for tissue/cell-type confirmation Phase 3.6: Pathway Analysis → KEGG, IntAct for convergent pathways Phase 4: Variant Interpretation → ClinVar, gnomAD frequency, CADD/AlphaMissense/EVE/SpliceAI, ACMG criteria Phase 5: Structure Analysis → AlphaFold2, InterPro domains (for VUS) Phase 6: Literature → PubMed, BioRxiv/MedRxiv, OpenAlex Phase 7: Report Synthesis → Prioritized differential with next steps ``` ### Key Phase Details **Phase 2 - Disease Matching**: `Orphanet_search_diseases(operation="search_diseases", query=keyword)` then `Orphanet_get_genes(operation="get_genes", orpha_code=code)`. Score overlap: Excellent >80%, Good 60-80%, Possible 40-60%. **Phase 3 - Gene Panel**: ClinGen classification drives inclusion (Definitive/Strong/Moderate = include; Limited = flag; Disputed/Refuted = exclude). Scoring: Tier 1 (top disease gene +5), Tier 2 (multi-disease +3), Tier 3 (ClinGen Definitive +3), Tier 4 (tissue expression +2), Tier 5 (pLI >0.9 +1). **Phase 4 - Variants**: gnomAD frequency classes: ultra-rare <0.00001, rare <0.0001, low-freq <0.01. ACMG: PVS1 (null), PS1 (same AA), PM2 (absent pop), PP3 (computational), BA1 (>5% AF). 2+ concordant predictors strengthen PP3. --- ## Evidence Grading | Tier | Criteria | |------|----------| | **T1** (High) | Phenotype match >80% + gene match | | **T2** (Medium-High) | Phenotype match 60-80% OR likely pathogenic variant | | **T3** (Medium) | Phenotype match 40-60% OR VUS in candidate gene | | **T4** (Low) | Phenotype <40% OR uncertain gene | --- ## Fallback Chains | Primary | Fallback 1 | Fallback 2 | |---------|------------|------------| | `get_joint_associated_diseases_by_HPO_ID_list` | `Orphanet_search_diseases` | PubMed phenotype search | | `ClinVar_get_variant_details` | `gnomad_get_variant` | VEP annotation | | `GTEx_get_expression_summary` | `HPA_search_genes_by_query` | Tissue-specific literature | --- ## Reference Files - [DIAGNOSTIC_WORKFLOW.md](DIAGNOSTIC_WORKFLOW.md) - Code examples and algorithms per phase - [REPORT_TEMPLATE.md](REPORT_TEMPLATE.md) - Report template and examples - [CHECKLIST.md](CHECKLIST.md) - Interactive completeness checklist - `scripts/clinical_patterns.py` - Clinical pattern lookup (syndromes, differentials, red flags, occupational exposures)
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