MolViewer

Interactive 3D molecules

View proteins, DNA, AlphaFold predictions and small molecules in interactive 3D, right in the chat. Ask for a structure by name or ID, rotate and zoom it, switch between cartoon, stick and surface views, and color by chain, secondary structure or AlphaFold confidence.

What you can ask

Show me hemoglobin in 3D
Example path

MCP connector

Server URL: https://mcp.molviewer.bio/mcp
Login: None
Protocol: MCP 2026-07-28
Instructions: MolViewer shows public molecular structures in interactive 3D: PDB entries, AlphaFold DB models and PubChem small molecules.
To display a structure, call . If you only have a name, call first, unless you already know the exact PDB ID, UniProt accession or compound name.
After , always answer in text too: a few sentences on what the structure is, from the facts the tool returns. The viewer shows only the picture.
For factual questions about a PDB entry, AlphaFold model or compound (method, resolution, authors and citation, chains, ligands, helix and strand ranges, confidence) call ; it reads the source databases directly and doesn't open the viewer.
Citation authors come as surname and initials ("Teeter, M.M."). Keep them that way: never expand initials into first names.
MolViewer is for looking at structures. It never gives synthesis routes, doses or acquisition advice, and it refuses chemical warfare agents.

Tools

Reads data3

Skills

None in the store listings or on the server