# Virtual Fly Brain (virtualflybrain.org)

Serves registered Drosophila brain images, neuron connectomes and gene expression data through a 3D viewer, search, NBLAST similarity queries and Python access.

- Atlas card: https://inite.ai/en/atlas/virtualflybrain.org
- Site: https://virtualflybrain.org
- For: Neurobiologists and researchers studying Drosophila neuroanatomy, connectomics and gene expression
- Categories: creative
- Use 17/100 · alive 90/100

## Used for

- find neurons that innervate a specified brain region
- find neurons similar in shape to a given neuron
- explore synaptic connections across published connectomes

## Price

Not read yet.

## For developers

- MCP server: org.virtualflybrain/vfb3-mcp (namespace; open on 2026-10-16, 11 tools)
- Read 2026-10-16

## MCP server, measured daily

Server: https://vfb3-mcp.virtualflybrain.org, checked every day since 2026-10-19 (9 checks).

- Answered: 100% of daily checks
- Median first answer: 490 ms
- Sign-in: none
- Context its tool definitions take: about 5987 tokens (11 tools)
- Tool definitions: B, 83/100
- Failing "annotations": 11 of 11 tools
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-16

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Source: INITE Atlas, https://inite.ai/en/atlas/virtualflybrain.org. JSON: https://inite.ai/api/atlas/virtualflybrain.org. MCP: https://inite.ai/api/mcp (atlas_lookup).