Raras MCP server
online · 100% uptimeio.github.rarasAI/raras·v0.2.0Disease Twin — Brazil's rare-disease knowledge graph (10,468) over MCP. Source-grounded, PT-BR.
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Raras tools (20)
write = sends, deletes, buys or postsanalyze_clinical_caseFreeCaso clínico → doenças candidatas + literatura relevante em 1 chamada. Apenas informativo, nunca diagnóstico.
explain_relationFreeRaciocínio fundamentado sobre o grafo: dada uma pergunta (ex.: "por que o gene X se associa à doença Y?", "como a droga Z se relaciona a esta doença?"), retorna caminhos de evidência multi-hop (doença↔gene↔via↔droga↔fenótipo) com proveniência citável. Se não houver caminho no grafo, recusa — nunca inventa.
find_active_trialsFreeTrials ativos com filtro Brazil.
find_diseases_by_phenotypesFreeMatch por IDs HPO. Use para diagnóstico diferencial.
find_papers_for_diseaseFreeLiteratura relacionada a uma doença via embeddings (:SEMANTIC_MATCH, fallback vetorial).
find_phenotypically_similarFreeDoenças com perfil de fenótipos HPO semelhante (simGIC pré-computado, explicável: nº de fenótipos em comum). Complementa find_similar_diseases (semântico).
find_reference_centersFreeCentros por doença e/ou UF, com CNES.
find_similar_diseasesFreeVector similarity via embeddings SOTA.
get_disease_detailFreeFenótipos HPO, genes, SUS, trials, descrição clínica em PT.
get_evidenceFreeCross-references de autoridade (Orphanet, MONDO, OMIM, MeSH, GARD, UMLS), status de verificação e PMIDs de uma doença. A base da regra "nunca inventar".
get_graph_statsFreeContagens e métricas do dataset.
get_hypothesesFreeCandidatos a reposicionamento de fármacos gerados por associação de genes (guilt-by-association): drogas que tratam outras doenças que compartilham genes com esta. HIPÓTESES para investigação, NUNCA recomendações clínicas — cada uma rastreável (via gene X, da doença Y).
get_literature_relationsFreeRelações tipadas extraídas da literatura biomédica (associate/treat/cause/inhibit/stimulate/prevent) entre a doença e genes/fármacos, com nº de publicações como proveniência. Filtrável por predicado.
get_recent_updatesFreeDoenças cujo gêmeo digital ganhou evidência nova (autoria, PubTator3, Open Targets, verificação) nos últimos N dias. Faça polling para acompanhar mudanças (substituto stateless de subscriptions).
get_research_logFreeRegistro cronológico do que o agente autônomo fez por esta doença: autoria, mineração de literatura, evidência genética, verificação, prospecção de fontes, recomputação de relações. Prova de que o gêmeo digital estuda a doença continuamente.
get_schemaFreeNode labels, relationship types e property keys do grafo. Use antes de cypher_query.
get_sus_coverageFreeCEAF, SIGTAP, PNTN, nível de integração.
search_diseasesFreeFull-text search em 10.468 doenças raras. Suporta filtros SUS/trials.
search_papers_semanticFreeBusca vetorial sobre 424k papers do PubMed. Use caso clínico, pergunta ou conjunto de sintomas.
search_phenotypesFreeLookup HPO em PT-BR (encoder Araras-HPO-Brasil + léxico leigo) ou EN (vocabulário HPO). Retorna IDs HP: com estado de asserção: termo NEGADO ("nunca desmaiei") NÃO vira fenótipo. Outros idiomas não são cobertos. Limite de taxa: use poucas chamadas por minuto (429 = espere).
Public scan report
scanner v0.1.9 · 2026-09-27 · same rubric, same numbers if you re-run it
- –Code scanremote-only server, no package to scann/a
- Live reliabilityremote reachable in 733ms20/20
- Tool poisoning20 tool descriptions checked15/15
- Auth qualityopen endpoint, read-only tools10/15
- Maintenancelast push 129 days ago8/15
- Maintainer identityregistry namespace matches repository owner7/10
How Raras compares
Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.
- Safety score
- 80/100
- higher than 60% of 48,255 servers
- Tools
- 20
- the typical server has 7
- Tools that change things
- 0%
- typical: 0%. Fewer write tools means less an agent can break
- Uptime
- 100%
- of our recent checks; the typical remote server answers 100%
- Response time
- 909 ms
- faster than 13% of 30,031 servers
What its tools let an agent do: 20 read
Install Raras in Claude Code, Cursor or VS Code
claude mcp add --transport http raras https://raras.org/api/mcp
What the publisher says
From the Raras repository's README, as published. We do not edit it. Read it on GitHub
Raras Disease Twin — MCP Server
Brazilian rare-disease knowledge graph (10,468 diseases) exposed via the Model Context Protocol (MCP). Each disease is an addressable Disease Twin (disease://{orphaCode}): genes, HPO phenotypes, SUS coverage, clinical trials, literature-mined treatments, repurposing hypotheses, and grounded multi-hop reasoning — PT-BR first, source-grounded, never diagnoses.
Connect (no install)
- Remote endpoint: https://raras.org/api/mcp (Streamable HTTP, public, read-only)
- Claude Code: claude mcp add --transport http raras https://raras.org/api/mcp
- claude.ai / Desktop: Settings → Connectors → Add custom connector → paste the URL
- Docs: https://raras.org/mcp
Skill
SKILL.md is an installable Claude Skill — drop it in .claude/skills/raras-disease-twin/.
License
Data: CC-BY-4.0 · Code: MIT · https://raras.org
Nothing above is checked by us. What we check is on the safety report.
Raras: common questions
- Is Raras MCP server safe?
- Mostly: it is graded B (80/100). Read the Raras safety report
- How do I install Raras?
- It runs remotely at raras.org. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
- Does Raras need an API key?
- Not as far as the registry entry and our scan can tell: no credentials are declared or required.
- Is Raras maintained?
- The last commit was 167 days ago (2026-05-21). The latest release is v0.2.0.
- Is Raras up?
- 100% of our last 28 checks got an answer. We check remote servers about four times a day.
- What can I use instead of Raras?
- Servers from other publishers that do the same job: Codebase Memory MCP server and Neo4j Memory MCP server.
- How does Raras compare with other MCP servers?
- safety score 80/100 (higher than 60% of 48,255 servers); tools 20 (the typical server has 7); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.
Alternatives to Raras
Same job from other publishers: the closest match first, then the best rated.
- Codebase MemoryCodebase knowledge graph for AI agents — 162 languages, sub-ms queries, 99% fewer tokens.not reviewedWidely usedC
- Neo4j MemoryMCP Neo4j Knowledge Graph Memory Servernot reviewedEstablishedA