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STRING Database MCP Server

https://mcp.string-db.org/

answers a handshake

Registry name: org.string-db/string-mcp
Reports itself as: STRING Database MCP Server 2.14.7
Protocol version: 2025-06-18
Transport: streamable-http
HTTP status: 200
Latency: 558 ms
Tools: 17
Checked: 2026-09-06T08:28:53Z

Tools it reports

string_resolve_proteins
string_interactions_query_set
string_all_interaction_partners
string_visual_network
string_network_clustering
string_network_link
string_homology
string_interaction_evidence
string_enrichment
string_functional_annotation
string_enrichment_image_url
string_ppi_enrichment
string_proteins_for_term
string_sequence_search
string_query_species
string_create_file
string_help

Check it yourself

curl -s -X POST https://mcp.string-db.org/ \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2025-06-18","capabilities":{},"clientInfo":{"name":"you","version":"0"}}}'