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CERN Open Data MCP Server for Claude DesktopGive Claude Desktop instant access to 16 tools to Check Cern Opendata Status, Get Glossary, Get Portal Statistics, and more

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Claude Desktop is Anthropic's native application for interacting with Claude AI models on macOS and Windows. It was the first consumer application to ship with built-in MCP support, making it the reference implementation for the Model Context Protocol standard.

Ask AI about this MCP Server for Claude Desktop

The CERN Open Data MCP Server for Claude Desktop is a standout in the The Unthinkable category — giving your AI agent 16 tools to work with, ready to go from day one.

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Classic Setup·json
{
  "mcpServers": {
    "cern-open-data": {
      // Your Vinkius token. get it at cloud.vinkius.com
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}
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The modern way to manage MCP Servers — no config files, no terminal commands. Install CERN Open Data and 4,000+ MCP Servers from a single visual interface.

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CERN Open Data
Fully ManagedVinkius Servers
60%Token savings
High SecurityEnterprise-grade
IAMAccess control
EU AI ActCompliant
DLPData protection
V8 IsolateSandboxed
Ed25519Audit chain
<40msKill switch
Stream every event to Splunk, Datadog, or your own webhook in real-time

* 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 CERN Open Data MCP Server

Connect to the CERN Open Data Portal and access the world's largest repository of open particle physics data — over 66,000 datasets from the Large Hadron Collider and LEP experiments.

Claude Desktop is the definitive way to connect CERN Open Data to your AI workflow. Add Vinkius Edge URL to your config, restart the app, and Claude immediately exposes all 16 tools in the chat interface. ask a question, Claude calls the right tool, and you see the answer. Zero code, zero context switching.

What you can do

  • Dataset Discovery — Search across 66,000+ records with powerful filters for experiment (CMS, ATLAS, ALICE, LHCb, DELPHI, OPERA), collision type (pp, e+e−, Pb-Pb), collision energy (7–13.6 TeV), and physics category
  • Physics Categories — Browse datasets by research topic including Higgs boson, Exotica (Dark Matter, Gravitons, Extra Dimensions, Leptoquarks), B physics, heavy-ion collisions, and more
  • Record Intelligence — Retrieve complete metadata for any record: abstracts, authors with ORCID, DOI, event counts, file listings with ROOT/EOS URIs, and processing configurations
  • Portal Analytics — Get comprehensive statistics across all facets: experiments, collision types, energies, file formats, years, and event count distributions
  • Physics Glossary — Search 1,000+ glossary entries for definitions of particle physics terms, detector components, and analysis techniques
  • Software & Documentation — Find analysis frameworks, reconstruction software, guides, and supplementary materials needed to reproduce published results

The CERN Open Data MCP Server exposes 16 tools through the Vinkius. Connect it to Claude Desktop in under two minutes — credentials fully managed, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

All 16 CERN Open Data tools available for Claude Desktop

When Claude Desktop connects to CERN Open Data through Vinkius, your AI agent gets direct access to every tool listed below — spanning particle-physics, open-data, research-datasets, and more. Every call runs in a secure, isolated environment with full audit visibility. Beyond a simple connection, you get real-time monitoring of agent activity, enterprise governance, and optimized token usage.

check

Check cern opendata status on CERN Open Data

Use this to verify the integration is working correctly before performing data queries. The API uses the InvenioRDM REST framework. Verify CERN Open Data API connectivity and portal status

get

Get glossary on CERN Open Data

Returns term names, definitions, and associated experiments. Covers fundamental particles, detector components, analysis techniques, and physics phenomena. Use this to explain technical physics terms like "luminosity", "transverse momentum", "pseudorapidity", "b-tagging", or "muon spectrometer". Invaluable for science communication and educational contexts. Search the CERN particle physics glossary for term definitions

get

Get portal statistics on CERN Open Data

), record types (Dataset, Documentation, Software, Glossary, Supplementaries), data-taking years, keywords, availability status, and event count distributions. This is the single most informative endpoint for understanding the scope and composition of available CERN data. Get comprehensive CERN Open Data portal statistics and facets

get

Get record on CERN Open Data

Returns the full title, abstract, experiment, authors with ORCID identifiers, collision parameters, publication dates, DOI, file distribution summary (number of files, events, size), usage instructions, and a direct link. Use this after finding a record via search to obtain complete details. Example: recid "1" returns the CMS BTau primary dataset. Get detailed metadata for a specific CERN Open Data record

get

Get record by doi on CERN Open Data

Returns the resolved record ID, title, experiment, type, and direct link if found. Useful when you have a DOI from a publication or reference and need to find the corresponding open dataset. DOIs follow the format "10.7483/OPENDATA.CMS.XXX". Returns a "not found" result if the DOI does not match any record. Resolve a DOI to a CERN Open Data record

list

List categories on CERN Open Data

Returns category names and dataset counts. Categories span the full range of particle physics research: Higgs boson searches, exotic particles (Dark Matter, Extra Dimensions, Gravitons), B physics, heavy-ion collisions, and more. Subcategories within Exotica and Higgs Physics provide finer granularity. List all physics categories and subcategories with dataset counts

list

List experiments on CERN Open Data

Currently includes CMS (the largest contributor with ~52,000 datasets), DELPHI (LEP era), ATLAS, ALICE, LHCb, OPERA (neutrino physics), TOTEM, JADE, and PHENIX. Use this as a starting point to understand what data is available before drilling into specific experiments. List all available CERN experiments and their dataset counts

list

List record files on CERN Open Data

Returns filename, size in bytes, checksum, ROOT/EOS URI for direct data access, and file format. Useful for understanding what data is available in a dataset before downloading. Large datasets may contain hundreds of ROOT files. Example: record 1 contains AOD format files from CMS BTau data. List all data files in a CERN Open Data record

search

Search by category on CERN Open Data

Major categories include: Exotica (~13,000 datasets, including Dark Matter, Extra Dimensions, Gravitons, Heavy Fermions, Leptoquarks), Higgs Physics (~10,400, Standard Model and Beyond Standard Model), Higgs (~10,700), Beyond 2 Generations (~1,600), 2 Fermion (~1,200), B physics and Quarkonia (~500), 4 Fermion (~380), Heavy-Ion Physics (~220). Some categories have subcategories — use the subcategory parameter for more precise filtering. Search datasets filtered by physics category

search

Search by collision energy on CERN Open Data

Available energies include: 13TeV (~50,500 datasets, LHC Run 2), 181-210 GeV (~11,700, LEP2), 7TeV (~1,100, LHC Run 1), 8TeV (~900, LHC Run 1), 5.02TeV (~310, heavy-ion), 2.76TeV (~120, heavy-ion), 130-140 GeV (~120, LEP), 13.6TeV (LHC Run 3). The vast majority of data comes from 13 TeV proton-proton collisions at the LHC. Search datasets filtered by collision energy

search

Search by collision type on CERN Open Data

Available collision types: pp (proton-proton, ~52,000 datasets), e+e- (electron-positron, ~12,700), Pb-Pb (lead-lead, ~140), pPb (proton-lead, ~140). Proton-proton collisions from the LHC dominate the dataset. Electron-positron data comes primarily from the LEP era (DELPHI). Use this to focus on a specific collision topology. Search datasets filtered by particle collision type

search

Search by experiment on CERN Open Data

Available experiments include CMS (~52,000 datasets), DELPHI (~12,700), ATLAS (~160), ALICE (~150), LHCb (~108), OPERA (~900), and TOTEM. Combine with a text query for targeted searches within an experiment. This is the fastest way to scope results to a single collaboration. Search datasets filtered by a specific LHC experiment

search

Search datasets on CERN Open Data

Supports full-text queries combined with filters for experiment, collision type, collision energy, physics category, file type, and year. Returns paginated results with metadata including record ID, title, abstract, event counts, file sizes, and direct links. Use this as the primary discovery tool for finding specific physics data. Example queries: "Higgs boson", "dark matter", "top quark pair production". Search CERN Open Data datasets with full-text query and filters

search

Search documentation on CERN Open Data

Returns document titles, abstracts, subtypes (Guide, Policy, About, Activities, Authors, Report, Help, Stripping), and direct links. Use this to find instructions on how to use specific datasets, understand detector configurations, or learn about data processing workflows. Search CERN guides, policies, and documentation

search

Search software on CERN Open Data

Returns software title, description, associated experiment, and subtypes (Analysis, Framework, Tool, Validation, Workflow). Use this to find reconstruction software, analysis frameworks like CMSSW, or specific analysis code associated with published physics results. Search CERN analysis software, frameworks, and tools

search

Search supplementaries on CERN Open Data

These ~5,900 records provide the technical context needed to reproduce physics analyses. Filter by subtype to find specific configuration types. Essential for researchers reproducing or extending published analyses. Search CERN supplementary materials and configurations

Connect CERN Open Data to Claude Desktop via MCP

Follow these steps to wire CERN Open Data into Claude Desktop. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.

01

Open Claude Desktop Settings

Go to Settings → Developer → Edit Config to open claude_desktop_config.json
02

Add the MCP Server

Paste the configuration above into the mcpServers section
03

Restart Claude Desktop

Close and reopen Claude Desktop to load the new server
04

Start using CERN Open Data

Look for the 🔌 icon in the chat. your 16 tools are now available

Why Use Claude Desktop with the CERN Open Data MCP Server

Claude Desktop by Anthropic provides unique advantages when paired with CERN Open Data through the Model Context Protocol.

01

Claude Desktop is the reference MCP client. it was designed alongside the protocol itself, ensuring the most complete and stable MCP implementation available

02

Zero-code configuration: add a server URL to a JSON file and Claude instantly discovers and exposes all available tools in the chat interface

03

Claude's extended thinking capability lets it reason through multi-step tool usage, chaining multiple API calls to answer complex questions

04

Enterprise-grade security with local config storage. your tokens never leave your machine, and connections go directly to Vinkius Edge network

CERN Open Data + Claude Desktop Use Cases

Practical scenarios where Claude Desktop combined with the CERN Open Data MCP Server delivers measurable value.

01

Interactive data exploration: ask Claude to query DNS records, look up WHOIS data, and cross-reference results in a single conversation

02

Ad-hoc security audits: type a domain name and let Claude enumerate subdomains, check DNS history, and flag configuration anomalies. all through natural language

03

Executive briefings: generate comprehensive domain intelligence reports by asking Claude to compile findings into a formatted summary

04

Learning and training: new team members can explore API capabilities conversationally without needing to read documentation

Example Prompts for CERN Open Data in Claude Desktop

Ready-to-use prompts you can give your Claude Desktop agent to start working with CERN Open Data immediately.

01

"Show me the available experiments and how many datasets each one has on CERN Open Data."

02

"Search for Dark Matter datasets from the CMS experiment at 13 TeV."

03

"What does 'luminosity' mean in particle physics? Check the CERN glossary."

Troubleshooting CERN Open Data MCP Server with Claude Desktop

Common issues when connecting CERN Open Data to Claude Desktop through Vinkius, and how to resolve them.

01

Server not appearing after restart

Ensure the JSON is valid (no trailing commas). Check the file path: ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\\Claude\\ (Windows).
02

Authentication error

Verify your Vinkius token is correct. Go to cloud.vinkius.com to regenerate it if needed.
03

Tools not showing in chat

Click the 🔌 icon at the bottom of the chat input. If it shows 0 tools, the server may still be connecting. wait a few seconds.

CERN Open Data + Claude Desktop FAQ

Common questions about integrating CERN Open Data MCP Server with Claude Desktop.

01

How does Claude Desktop discover MCP tools?

When Claude Desktop starts, it reads the claude_desktop_config.json file and connects to each configured MCP server. It calls the tools/list endpoint to fetch the schema for every available tool, then surfaces them as clickable options in the chat interface via the 🔌 icon.
02

What happens if the MCP server is temporarily unavailable?

Claude Desktop handles disconnections gracefully. if the server is unreachable at startup, the tools simply won't appear. Once the server becomes available again, restarting Claude Desktop will re-establish the connection. There is no timeout penalty or error loop.
03

Can I connect multiple MCP servers simultaneously?

Yes. You can add as many servers as you need in the mcpServers section of the config file. Each server appears as a separate tool provider, and Claude can use tools from multiple servers in a single conversation turn.
04

Is there a limit on the number of tools per server?

Claude Desktop can handle hundreds of tools per server. However, for optimal LLM performance, Vinkius servers are designed to expose focused, well-documented tool sets rather than overwhelming the model with too many options.
05

Does Claude Desktop support Streamable HTTP transport?

Yes. Claude Desktop supports both SSE (Server-Sent Events) and the newer Streamable HTTP transport that Vinkius uses. Simply provide the server URL. Claude auto-negotiates the transport protocol.

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