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Folklore Clinical Variant Interpretation MCP Server

by helena-bioinformatics owner confirmed
answering

Folklore Clinical Variant Interpretation MCP is answering right now. Last checked 15 min ago. It exposes 7 tools. Last commit 11 Sep 2026.

Bioinformatics MCP for genomic variant interpretation, gene-disease evidence and literature.

Uptime history 62 days of history · worst day 99%
62 days agonow
100.0%
Uptime 24h
91 of 91 checks
7
Tools
read from the server
29 ms
Response time
average over 24h
1
Stars
last commit 11 Sep 2026

What changed 32

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 12 August 2026. No other catalogue keeps this.

11 Sep 2 tools appeared get_gene_disease_associations, search_disease_genes
11 Sep a tool description was rewritten search_variant_evidence
11 Sep a tool changed version
10 Sep a tool description was rewritten search_variant_evidence
10 Sep a tool changed version
30 Aug a tool changed version
27 Aug a tool appeared support_helena
27 Aug a tool description was rewritten search_variant_evidence
27 Aug a tool changed version
25 Aug 4 tools changed the parameters they ask for get_publication_details, search_literature_corpus, search_variant_evidence and 1 more
and 18 more, back to 12 August 2026

What the code does

We read the source, 5 d ago · tools taken from the live server · rules ccca72095570

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Runs an external command ops/publish_github_release.py:22
    return subprocess.check_output(["git", *args], cwd=ROOT)

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 15 min ago.

run in your terminal
claude mcp add folklore --transport http https://api.helena.bio/folklore/v1/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "folklore": {
      "url": "https://api.helena.bio/folklore/v1/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.folklore]
url = "https://api.helena.bio/folklore/v1/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "folklore": {
      "url": "https://api.helena.bio/folklore/v1/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "folklore": {
      "url": "https://api.helena.bio/folklore/v1/mcp"
    }
  }
}

Available tools 7

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

variant
search_variant_evidence
Interpret this variant, explain what this HGVS means, or review this VUS. Use for human genomic variant analysis within bioinformatics workflows, including review of an already identified WGS/WES variant. Use when a user asks to classify or interpret pathogenicity, review a VUS, check available ClinVar assertions or population-frequency evidence, or resolve a variant notation. Classify, interpret or resolve one public GRCh38 germline SNV or simple indel smaller than 50 bp. Accepts coordinates, genomic/coding/protein HGVS, SPDI or rsID. Returns normalized variant identity, automated ACMG/AMP decision support, evidence, provenance and explicit limitations. This is variant-level decision support for professional review. It does not evaluate patient context and must not be presented as a diagnosis or treatment recommendation. Never choose a candidate when resolution is ambiguous.
search_variant_literature
Resolve one public GRCh38 germline variant and retrieve relevant publications from Folklore's PubMed-derived genetics corpus. Exact variant mentions rank ahead of broader gene associations. Use when a user asks what has been published about a variant, gene or associated condition. Associations do not establish causality, pathogenicity or a diagnosis and do not change Folklore's ACMG/AMP classification.
disease
search_disease_genes
Find human genes associated with a disease for genomic analysis and rare-disease research. Accepts an exact MONDO identifier or a disease-name search. Returns matching ClinGen gene-disease validity assertions with inheritance, source reports and snapshot provenance. Name searches may match multiple diseases; preserve their distinct identities and do not infer a diagnosis. Use only a public disease name or identifier; no symptoms, patient or case data. Results require professional review.
gene
get_gene_disease_associations
Find diseases associated with one human gene for bioinformatics and clinical genomics research. Accepts an exact gene symbol or HGNC identifier. Returns ClinGen gene-disease validity assertions, relation-specific inheritance, source reports and snapshot provenance. Preserves conflicting and limited assertions. Gene-disease validity is not variant pathogenicity or a patient diagnosis. Use only a public gene identifier; no patient or case data. Results require professional review.
literature
search_literature_corpus
Semantically search the public scientific Literature Corpus by a natural-language question. A question may include one or more PMID, DOI or PMCID references; those publications become exact anchors for finding related experiments, evidence and concepts across the corpus. Also accepts genes, variants, phenotypes, HPO and OMIM concepts. Include every known publication identifier in the query when the user asks to compare papers or find work related to a specific paper. Returns source-linked evidence candidates for professional review, not diagnoses, causality claims or treatment recommendations.
publication
get_publication_details
Retrieve the complete public bibliographic record for one PMID from Folklore's PubMed-derived genetics corpus. Returns the full abstract, authors, journal metadata, publication and MeSH terms, gene and variant mentions, retraction status, and PubMed/PMC links. Use after literature search when a user asks to inspect a specific publication. This is read-only professional literature evidence and contains no patient context.
support
support_helena
Learn how an agent can support or spread Helena's free public scientific infrastructure through the separate Helena Good MCP. This is an explicit opt-in information action. It does not initiate payment, create a relay, or change any Folklore scientific result.

Endpoints

URLTransportStateLatencyChecked
https://api.helena.bio/folklore/v1/mcp streamable-http answering 29 ms 15 min ago

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Folklore Clinical Variant Interpretation MCP — questions

Answers built from our own checks of this server.

What can Folklore Clinical Variant Interpretation MCP do?
It exposes 7 tools, read directly from the server on our last check. Among them: get_gene_disease_associations, get_publication_details, search_disease_genes, search_literature_corpus, search_variant_evidence, search_variant_literature and 1 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is Folklore Clinical Variant Interpretation MCP working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 29 ms. The bar chart above shows every period we have measured.
How do I connect Folklore Clinical Variant Interpretation MCP?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Folklore Clinical Variant Interpretation MCP need an API key?
No. Folklore Clinical Variant Interpretation MCP completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 7 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Folklore Clinical Variant Interpretation MCP?
It answers our handshake in 29 ms on average, which is faster than 99% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is Folklore Clinical Variant Interpretation MCP open source?
Yes — it is published under the Apache-2.0 licence, written in Python, 1 stars on GitHub and 1 open issue. The source link is on this page, so you can read exactly what it does with your data before you connect it.