What experimental methods are represented in the PDB?

The PDB contains structures determined by four main methods: X-ray Crystallography (85% of entries, atomic resolution), Cryo-EM (rapidly growing, now 15%+ of new deposits), NMR Spectroscopy (solution-state structures), and Neutron Diffraction (hydrogen atom positions). Each entry lists its method and resolution.

Do I need authentication to access PDB data?

No. RCSB PDB is completely free and open — funded by NSF, NIH, DOE, and international partners. All 220K+ structures are openly accessible without any registration or API key. The data is licensed under CC0 (public domain).

What information does each PDB entry contain?

Each entry includes: PDB ID (4-character code), structure title, depositing authors, experimental method, resolution in Ångströms, source organism, release date, number of polymer chains, and bound non-polymer ligands (drugs, cofactors, ions). Higher resolution (lower number) means more precise atomic coordinates.

RCSB PDB MCP Server for VS Code Copilot 2 tools — connect in under 2 minutes

Name: RCSB PDB
Availability: InStock
Author: Vinkius

code.visualstudio.com/docs/copilot/chat/mcp-servers

Built by Vinkius GDPR 2 Tools IDE

GitHub Copilot in VS Code is the most widely adopted AI coding assistant, embedded directly into the world's most popular code editor. With MCP support in Agent mode, Copilot can access external data and APIs to generate context-aware code grounded in real-time information.

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Classic Setup·json

{
  "mcpServers": {
    "rcsb-pdb": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

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* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

About RCSB PDB MCP Server

Connect your AI agent to the RCSB Protein Data Bank — the world's repository of experimentally determined 3D structural data for biological macromolecules.

GitHub Copilot Agent mode brings RCSB PDB data directly into your VS Code workflow. With a project-scoped config, the entire team shares access to 2 tools. Copilot queries live data, generates typed code, and writes tests from actual API responses, all without leaving the editor.

What you can do

Structure Search — Find protein, DNA, and RNA structures by name, function, disease association, or organism across 220K+ experimentally determined entries
PDB Entry Lookup — Get complete structural details by 4-character PDB ID (e.g., 1HHO for hemoglobin, 6LU7 for SARS-CoV-2 main protease) including experimental method, resolution, and bound molecules

The RCSB PDB MCP Server exposes 2 tools through the Vinkius. Connect it to VS Code Copilot in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

How to Connect RCSB PDB to VS Code Copilot via MCP

Follow these steps to integrate the RCSB PDB MCP Server with VS Code Copilot.

Create MCP config

Create a .vscode/mcp.json file in your project root

Add the server config

Paste the JSON configuration above

Enable Agent mode

Open GitHub Copilot Chat and switch to Agent mode using the dropdown

Start using RCSB PDB

Ask Copilot: "Using RCSB PDB, help me...". 2 tools available

Why Use VS Code Copilot with the RCSB PDB MCP Server

GitHub Copilot for Visual Studio Code provides unique advantages when paired with RCSB PDB through the Model Context Protocol.

VS Code is used by over 70% of developers. adding MCP tools to Copilot means your team can leverage external data without leaving their primary editor

Project-scoped MCP configs (`.vscode/mcp.json`) let you commit server configurations to your repository, ensuring the entire team shares the same tool access

Copilot's Agent mode integrates MCP tools seamlessly with file editing, terminal commands, and workspace search in a single agentic loop

GitHub's enterprise compliance and audit features extend to MCP tool usage, providing visibility into how AI interacts with external services

RCSB PDB + VS Code Copilot Use Cases

Practical scenarios where VS Code Copilot combined with the RCSB PDB MCP Server delivers measurable value.

Live API integration: Copilot can query an MCP server, inspect the response schema, and generate typed API client code in the same step

DevSecOps workflows: security teams can give developers access to domain intelligence tools directly in their editor for real-time vulnerability assessment during code review

Data pipeline development: Copilot fetches sample data via MCP and generates transformation scripts, validators, and test fixtures from actual API responses

Documentation generation: Copilot queries available tools and auto-generates README sections, API reference docs, and usage examples

RCSB PDB MCP Tools for VS Code Copilot (2)

These 2 tools become available when you connect RCSB PDB to VS Code Copilot via MCP:

get_pdb_structure

PDB IDs are 4-character codes like 1HHO, 6LU7, 7BNN. Get full structural details by PDB ID

search_pdb

Returns PDB ID, title, experimental method (X-ray, Cryo-EM, NMR), resolution, authors, and bound ligands. Essential for drug discovery and structural biology. Search 220K+ 3D molecular structures in the Protein Data Bank

Example Prompts for RCSB PDB in VS Code Copilot

Ready-to-use prompts you can give your VS Code Copilot agent to start working with RCSB PDB immediately.

"Show me the structure of the SARS-CoV-2 main protease."

"Get full structural details for PDB entry 1HHO — what protein is it?"

"Find all cryo-EM structures of ribosome complexes."

Troubleshooting RCSB PDB MCP Server with VS Code Copilot

Common issues when connecting RCSB PDB to VS Code Copilot through the Vinkius, and how to resolve them.

MCP tools not available

Ensure you are in Agent mode in Copilot Chat. MCP tools only appear in Agent mode.

RCSB PDB + VS Code Copilot FAQ

Common questions about integrating RCSB PDB MCP Server with VS Code Copilot.

Which VS Code version supports MCP?

MCP support requires VS Code 1.99 or later with the GitHub Copilot extension. Ensure both are updated to the latest version. Older versions of Copilot may not expose the Agent mode toggle.

How do I switch to Agent mode?

Open the Copilot Chat panel and look for two mode options: "Ask" and "Agent". Click "Agent" to enable autonomous tool calling. In Ask mode, Copilot provides conversational answers but cannot invoke MCP tools.

Can I restrict which MCP tools Copilot can access?

Yes. VS Code shows a tool consent dialog before any MCP tool is invoked for the first time. You can also configure tool access policies at the organization level through GitHub Copilot settings.

Does MCP work in VS Code Remote or Codespaces?

Yes. MCP servers configured via .vscode/mcp.json work in Remote SSH, WSL, and GitHub Codespaces environments. The MCP connection is established from the remote host, so ensure the server URL is accessible from that environment.