Community · Official remote MCP server

The Cern Opendata MCP Server MCP server,
connected in one click.

Search CERN Open Data, fetch records, files, analysis environments, CMS good-run lists, HLT paths. Connect the official Cern Opendata MCP Server MCP server to Claude, ChatGPT, or Cursor through gate — one gateway URL, no config files, security-checked.

Free to start · No credit card · No hosting needed

Use this server

Add Cern Opendata MCP Server to your AI in one minute

Pick your client. Copy, paste, done — or let gate handle sign-ins and policies for you.

claude mcp add --transport http cern-opendata-mcp-server https://cern-opendata.caseyjhand.com/mcp

Run in your terminal, then restart Claude Code.

Cern Opendata MCP Server · https://cern-opendata.caseyjhand.com/mcp

What you can do

What your AI can do with Cern Opendata MCP Server

Real prompts you can type the moment it's connected — no setup, no docs to read.

“Use “cern_opendata_search_records”: Search the CERN Open Data Portal's datasets, software, environments, documentation and supplementary records with exact-vocabulary filters a.”

“Use “cern_opendata_get_records”: Fetch full metadata for 1-20 records in one call, by recid, DOI, CMS dataset path (/Primary/Era/TIER) or documentation slug. Returns the des.”

“Use “cern_opendata_list_files”: List one record's files: its file indexes (groups of up to ~1,500 files) with their XRootD URI-list URLs, and per file the XRootD URI, HTTPS.”

“Use “cern_opendata_get_analysis_env”: Assemble what is needed to analyse a record: its container images, CMSSW release and global tag; the condition-data, VM and validated-run re.”

Security check

How secure is the Cern Opendata MCP Server MCP server?

Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how Cern Opendata MCP Server holds up.

✓ Verified directory serverCern Opendata MCP Server · caseyjhand.com

Official endpoint

Operated by Cern Opendata MCP Server (caseyjhand.com) at its documented MCP endpoint — not a third-party mirror or community re-host.

No sign-in needed

This server only exposes public data — no account and no credentials are involved when you connect.

Scanned before it goes live

gate checks every tool for prompt injection, hidden instructions, data-exfiltration hints, and over-broad permissions before the server is available through your gateway.

Watched for drift

If Cern Opendata MCP Server adds or changes tools later, gate re-scans and alerts you — before your AI acts on the change.

How it works

Connected in three steps

01

Connect your gate

Add one gateway URL to Claude, ChatGPT, or any MCP client. One-time setup, about two minutes.

02

Pick Cern Opendata MCP Server

Choose Cern Opendata MCP Server in the gate directory. No sign-in needed.

03

Use it anywhere

Cern Opendata MCP Server's tools are live in every AI client you've connected — with rules and logging built in.

Connect Cern Opendata MCP Server free

Free to start · No credit card · No hosting needed

Straight from the server

The actual tools Cern Opendata MCP Server exposes

Fetched live from the official endpoint and re-checked daily by gate — not marketing copy.

cern_opendata_search_records — Search the CERN Open Data Portal's datasets, software, environments, documentation and supplementary records with exact-vocabulary filters a

cern_opendata_get_records — Fetch full metadata for 1-20 records in one call, by recid, DOI, CMS dataset path (/Primary/Era/TIER) or documentation slug. Returns the des

cern_opendata_list_files — List one record's files: its file indexes (groups of up to ~1,500 files) with their XRootD URI-list URLs, and per file the XRootD URI, HTTPS

cern_opendata_get_analysis_env — Assemble what is needed to analyse a record: its container images, CMSSW release and global tag; the condition-data, VM and validated-run re

cern_opendata_get_validated_runs — Get a CMS validated-run (good-run) list, which certifies the luminosity sections that are good for physics in each run. Select it by a CMS c

cern_opendata_search_trigger_paths — Look up CMS High-Level Trigger paths by exact name (HLT_IsoMu24) or prefix pattern (HLT_IsoMu*), optionally for one data-taking year. Paths

cern_opendata_list_reference — Decode the vocabulary the other cern_opendata tools accept: experiments, record types, collision energies and types, file formats and data t

Author

Who runs the Cern Opendata MCP Server MCP server?

Server facts

The Cern Opendata MCP Server MCP server at a glance

Endpointhttps://cern-opendata.caseyjhand.com/mcp
Operated byCern Opendata MCP Server (caseyjhand.com)
CategoryCommunity
Sign-inNone — public data only
Available in gateYes — one-click connect
Works withClaude, ChatGPT, Cursor & any MCP client
FAQ

Questions, answered

Is there an official Cern Opendata MCP Server MCP server?

Yes — Cern Opendata MCP Server operates its own remote MCP server at cern-opendata.caseyjhand.com. gate connects you to that official endpoint and adds security scanning, per-tool access rules, and an activity log on top.

How do I connect Cern Opendata MCP Server to Claude or ChatGPT?

Add gate's gateway URL to your AI client once, then pick Cern Opendata MCP Server in the directory. No account or sign-in is needed. From then on, Cern Opendata MCP Server's tools are available in every client you've connected to gate.

Do I need to host anything?

No. Cern Opendata MCP Server runs the server, and gate is fully managed. You just connect one URL — there's nothing to install, deploy, or maintain.

Is the Cern Opendata MCP Server MCP server safe to connect?

It's the vendor's official endpoint, and gate scans its tools for prompt injection and hidden instructions before it goes live, re-checks it whenever it changes, and lets you allow, block, or require approval for every single tool.

Is it free?

Yes — you can get started with gate for free and connect Cern Opendata MCP Server in minutes. No credit card required.

More servers

Connect more than just Cern Opendata MCP Server

Every server below works through the same gateway URL — connect once, add tools anytime.

Set up Cern Opendata MCP Server in: Claude · Claude Code · ChatGPT · Cursor · VS Code

Give your AI Cern Opendata MCP Server — safely.

One URL. All MCPs. Full control. Free to start.

Get started free