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"Search functionality without API key requirement" matching MCP servers:

  • paper-search-mcp

    upascal
    F
    license
    -
    quality
    C
    maintenance
    Enables searching for academic papers and preprints across multiple platforms including Semantic Scholar, arXiv, PubMed, and CrossRef. It provides access to research records, DOI lookups, and journal metadata through a unified interface deployed on Cloudflare Workers.
    Last updated

  • MCP PubMed Search

    wavelovey
    A
    license
    B
    quality
    D
    maintenance
    Server to search PubMed (PubMed is a free, online database that allows users to search for biomedical and life sciences literature). I have created on a day MCP came out but was on vacation, I saw someone post similar server in your DB, but figured to post mine.
    Last updated
    1
    47
    MIT

  • string-mcp

    meringlab
    A
    license
    -
    quality
    C
    maintenance
    MCP server that exposes STRING database functionality, allowing AI agents to resolve protein identifiers, retrieve interaction networks, perform homology lookups, and run functional enrichment analysis.
    Last updated
    5
    MIT

  • pubchem-mcp-server

    cyanheads
    A
    license
    A
    quality
    A
    maintenance
    Enables AI agents and applications to search, retrieve, and analyze chemical compounds, substances, and bioassays from PubChem's vast chemical information database through comprehensive tools for chemical research and discovery.
    Last updated
    10
    1,061
    9
    Apache 2.0

  • pubmed-mcp-server

    cyanheads
    A
    license
    A
    quality
    A
    maintenance
    A bridge connecting AI agents to NCBI's PubMed database through the Model Context Protocol, enabling seamless searching, retrieval, and analysis of biomedical literature and data.
    Last updated
    11
    4,184
    128
    Apache 2.0

  • uniprot-mcp

    fzlzjerry
    A
    license
    A
    quality
    B
    maintenance
    MCP server that exposes the UniProt REST API to LLM clients, enabling search and retrieval of protein data via tools like search_uniprotkb, get_entry, and map_ids.
    Last updated
    7
    MIT

  • just-prs-mcp

    dna-seq
    A
    license
    A
    quality
    B
    maintenance
    MCP server for polygenic risk score analysis, wrapping just-prs to enable catalog search, PRS computation, VCF normalization, percentile and risk estimation, and quality assessment.
    Last updated
    16
    1
    MIT
  • Noctua MCP Server by geneontology

    Noctua MCP Serverofficial

    geneontology
    A
    license
    A
    quality
    C
    maintenance
    Enables editing and querying of Gene Ontology Causal Activity Models (GO-CAMs) through the Barista API. Supports model creation, individual and fact management, evidence addition, and causal pathway construction for biological knowledge representation.
    Last updated
    18
    BSD 3-Clause

  • mcp-ubergraph-query

    twhetzel
    A
    license
    A
    quality
    D
    maintenance
    Enables AI assistants to query the Ubergraph biomedical ontology SPARQL endpoint with tools for custom SPARQL queries, term lookup, search, and hierarchy traversal.
    Last updated
    4
    MIT

  • Enrichr MCP Server

    tianqitang1
    A
    license
    A
    quality
    B
    maintenance
    Enables gene set enrichment analysis using the Enrichr API across hundreds of gene set libraries including Gene Ontology, pathways, diseases, tissues, drugs, and transcription factors. Returns only statistically significant results for interpretation.
    Last updated
    2
    357
    15
    MIT

  • Wegene Assistant MCP Server

    xraywu
    F
    license
    A
    quality
    D
    maintenance
    Leverages large language models to analyze users' WeGene genetic testing reports, providing access to report data via custom URI schemes and enabling profile and report management through OAuth authentication and API utilization.
    Last updated
    4
    4
  • PDBe MCP Servers by PDBeurope

    PDBe MCP Serversofficial

    PDBeurope
    A
    license
    B
    quality
    A
    maintenance
    Provides seamless access to the Protein Data Bank in Europe (PDBe) API and search capabilities, enabling AI clients to query protein structures, perform advanced searches, and retrieve structural biology data.
    Last updated
    33
    36
    Apache 2.0

  • Protein MCP Server

    gqy20
    A
    license
    B
    quality
    D
    maintenance
    Enables searching, retrieving, and downloading protein structure data from the RCSB Protein Data Bank. Supports intelligent protein structure search, comprehensive data retrieval, and multiple file format downloads for bioinformatics research.
    Last updated
    3
    MIT