Citations, Funding and Terms

• Codex is developed and hosted by the Princeton Neuroscience Institute of Princeton University
• To cite Codex in your research please use http://dx.doi.org/10.13140/RG.2.2.35928.67844
• This instance of Codex serves data from the FlyWire connectome - see data credits page for details
• Supported by BRAIN Initiative grant MH117815, MH129268 and U24 NS126935 to Murthy and Seung
• Codex & FlyWire Terms of Service and Privacy notice

Codex Creators

• Arie Matsliah - Research Scientist and FlyWire Data Evangelist, Murthy Lab (Princeton )
• Amy Sterling - Crowdsourcing and Outreach Manager, Seung Lab (Princeton )
• Major Contributors
  • Code development: Kai Kuehner and Ryan Morey, Seung Lab (Princeton)
  • Data stewardship: Sven M. Dorkenwald (Allen Institute), Chris Salmon (Princeton), Philipp Schlegel (Cambridge), Alex Bates and Helen Yang (Harvard)

Tech Stack Credits

• 3D visualizations powered by Neuroglancer, a web-based viewer for volumetric data from Google
• Data ingestion and access control relies on CAVE: Connectome Annotation Versioning Engine from Allen Institute
• Network visualisations are rendered using vis.js community edition

Status

• Codex is under active development - functionality and quality of the data are improving daily
• Feedback from users is highly appreciated, please provide below

Links and Resources

• Codex source code
• Codex demo clips

Build

• Commit git sha
• Built on Fri Mar 6 10:39:11 EST 2026

Instance

• Environment PROD
• Process id f425-P (localhost)
• Instance uptime 1 day, 10:34:50 (3359 requests)
• Mean response time 0.671 sec
• Error rate 0.002
• Rate limited requests 2