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100
MCP live MCP 2025-11-25 http

VirtualFlyBrain

org.virtualflybrain/vfb3-mcp

MCP server for Drosophila neuroscience data from VirtualFlyBrain

Uptime
100.0%
5 direct probes · 30d
Response
239ms
last probe
Tools
11
callable
Resources
0
readable
Prompts
0
available
Primary URL
https://vfb3-mcp.virtualflybrain.org
Score: 100/100
Handshake verified by our own probe.
why this score
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
11 tools, 0 resources, 0 prompts returned.
pass 3 or more catalogue items 10/10
11 items in total; 3 or more earns these points.
pass Describes itself 10/10
64 characters; more than 30 earns these points.

Tools · 11

get_term_info

Get term info for a VFB or anatomy ontology entity (VFB_*, FBbt_*, etc.). THIS IS THE QUERY DISCOVERY TOOL: the response's "Queries" array lists the valid query_type values that run_query accepts for …

run_query

Run a pre-computed query on a VFB entity. REQUIRED WORKFLOW: (1) call get_term_info on the ID first; (2) read the response's "Queries" array; (3) pass one of those values as query_type. Calling run_qu…

search_terms

Search VFB terms. This is the search virtualflybrain.org itself runs — the same Solr query, the same ranking — so what comes back first here is what a user would see first on the site. USE filter_typ…

list_search_facets

List the type names search_terms can filter, exclude, boost or demote by, with the number of terms carrying each one. Call this instead of guessing: there are over 200 names, they are the index's own …

resolve_entity

Resolve an unresolved FlyBase-related query string into VFB/FlyBase IDs and metadata. Pass the raw text exactly as the user wrote it (for example "P{VT054895-GAL4.DBD}", "Hb9-GAL4", "SS04495", "MB002B…

resolve_combination

Resolve an unresolved split-GAL4 combination name or synonym into its FBco ID and component hemidrivers. Pass the raw combination text exactly as the user wrote it (for example "MB002B" or "SS04495").…

list_connectome_datasets

List available connectome datasets with their labels and symbols. Use the returned symbols when constructing exclude_dbs arguments for query_connectivity. Common datasets include Hemibrain (hb), FAFB …

query_connectivity

Query synaptic connectivity between Drosophila neuron classes across ALL connectome datasets simultaneously for comparative connectomics. This is NOT pre-cached — it runs live queries, so expect slow …

get_predicted_neurotransmitters

Get the PREDICTED neurotransmitter(s) for a Drosophila neuron class — itself or any subclass — from per-instance connectome predictions (each reconstructed neuron carries a predicted transmitter with …

get_known_neurotransmitters

Get the KNOWN (curated) neurotransmitter(s) for a Drosophila neuron class and its subclasses, from the ontology's classification rather than per-instance predictions — so there is no confidence. Use t…

get_hierarchy

Build a hierarchy tree for a VFB term, showing ancestors (parents) and/or descendants (children). Use relationship "part_of" for brain region structure (e.g. "what are the parts of the mushroom body?"…

How to use

Add to your Claude Desktop / Cursor / Cline MCP config:

{
  "mcpServers": {
    "virtualflybrain": {
      "url": "https://vfb3-mcp.virtualflybrain.org",
      "transport": "http"
    }
  }
}