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Use UniProt with your AI.

Connect your account once and let the AI you already use work with it, without building another integration. Search 250M+ protein sequences with functional annotations, gene names, subcellular locations, and amino acid data from the world's most comprehensive protein k

Included with plan

Ask AI about this Connector

Developed, maintained, and hosted by Vinkius.

MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED

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Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.

ChatGPTClaudeCursorPerplexityGeminiMicrosoft CopilotRaycastMeta AI

Complete set · 3 capabilities

The complete UniProt capability set.

These are the exact actions your AI can choose when you ask it to work with UniProt.

Capability set01 / 01

01-03

3 capabilities in this set.

Part of 3 available through UniProt.

  1. 01

    Search uniprot gene

    Returns all protein isoforms and their functional annotations. Find proteins encoded by a specific gene

  2. 02

    Get uniprot protein

    Get full protein details by UniProt accession ID

  3. 03

    Search uniprot

    Returns protein name, gene, organism, function, subcellular location, and sequence. Try: insulin, hemoglobin, p53, BRCA1, spike protein. Search UniProt for proteins by name, function, or keyword

Observed, not estimated

887ms average. Fast in production.

UniProt is checked daily against the live service.

Daily averagePeak 1162ms
Aug 20Today
Fastest day
686ms
Slowest day
1162ms
14-day trend
Slowing+16%

Connect your client

One URL. Every client.

Activate the Connector, copy your link, and paste it into the client you already use. 3 capabilities arrive ready to run.

Preview access · not provider authentication

The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of UniProt, so you can see the experience inside your AI.

It does not authenticate your account with UniProt. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.

UniProt Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_jPSrejZI835eE2T6bJttqT3k3CdFHVP7joPQheuT/mcp

Claude Desktop

Follow the steps below to connect in seconds.

  1. 1In Claude Desktop, open Settings → Connectors.
  2. 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
  3. 3Click Add and start a new chat — UniProt capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "uniprot-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_jPSrejZI835eE2T6bJttqT3k3CdFHVP7joPQheuT/mcp"
    }
  }
}
  • Claude
  • ChatGPT
  • Cursor
  • VS Code
  • Windsurf
  • Claude Code
  • JetBrains
  • Cline

Step-by-step instructions for each client are in the guide. How to connect

FAQ

Questions UniProt owners ask.

  • 01

    What is the difference between Swiss-Prot and TrEMBL entries?

    Swiss-Prot contains 570K+ entries that have been manually reviewed and curated by expert biologists. the gold standard for protein annotation. TrEMBL contains 250M+ entries that are computationally annotated from gene sequences. Swiss-Prot entries are marked as 'reviewed' and are highly reliable; TrEMBL entries are automatically generated and may contain errors.

  • 02

    Do I need to register or pay for an API key?

    No. UniProt REST API is completely free and open without any authentication. There are no rate limits for reasonable usage patterns. UniProt is funded by the National Institutes of Health (NIH), European Molecular Biology Laboratory (EMBL), and the Swiss Institute of Bioinformatics (SIB).

  • 03

    Can I retrieve full amino acid sequences for proteins?

    Yes. Every protein entry includes the full amino acid sequence with length information. The sequence is returned in standard one-letter amino acid code. For very large proteins (10,000+ residues), the sequence may be truncated in the response but the full accession data is always provided for direct download.

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