Skip to content
Squatch MCP

io.github.cyanheads/cern-opendata-mcp-server

io.github.cyanheads/cern-opendata-mcp-server

by io.github.cyanheadsยท v0.3.0Source: Official MCP Registry

MCP Bill of Materials

A machine-readable inventory of what this server exposes and depends on: tools with their effects, transports, packages, findings and provenance (schema version 1.0). Third-party text in it is escaped. Also available from the REST API at /api/v1/servers/09533729-add6-4241-adb0-9a787942167f/mcbom.

MCP Bill of Materials

root{21}
schema_version: "1.0"
bom_format: "squatch-mcbom"
generator{3}
name: "squatch-mcp"
classifier_version: "rules_v1@2026-10-11.1"
unicode_version: "18.0.0"
server{7}
name: "io.github.cyanheads/cern-opendata-mcp-server"
title: null
description: "Search CERN Open Data, fetch records, files, analysis environments, CMS good-run lists, HLT paths."
version: "0.3.0"
homepage_url: null
source: "official_registry"
upstream_status: "active"
publisher{4}
namespace: "io.github.cyanheads"
display_name: "io.github.cyanheads"
type: "registry_namespace"
status: "unclaimed"
organization: null
repository{5}
url: "https://github.com/cyanheads/cern-opendata-mcp-server"
provider: "github"
owner: "cyanheads"
name: "cern-opendata-mcp-server"
verified: false
packages[2]
0{4}
registry_type: "npm"
identifier: "@cyanheads/cern-opendata-mcp-server"
version: "0.3.0"
transport: "stdio"
1{4}
registry_type: "npm"
identifier: "@cyanheads/cern-opendata-mcp-server"
version: "0.3.0"
transport: "streamable-http"
transports[3]
0{5}
kind: "package"
type: "stdio"
endpoint_url: null
endpoint_host: null
auth_type: "unknown"
1{5}
kind: "package"
type: "streamable-http"
endpoint_url: null
endpoint_host: null
auth_type: "unknown"
2{5}
kind: "remote"
type: "streamable-http"
endpoint_url: "https://cern-opendata.caseyjhand.com/mcp"
endpoint_host: "cern-opendata.caseyjhand.com"
auth_type: "none"
auth{3}
type: "none"
authorization_servers[0]
scopes[0]
protocol{4}
era: "modern"
negotiated_version: "2026-07-28"
supported_versions[0]
transport_type: "streamable-http"
tools[7]
0{9}
name: "cern_opendata_get_analysis_env"
title: "Get CERN Open Data Analysis Environment"
effect: "READ"
effect_confidence: 0.827
capabilities[2]
0{2}
capability: "CLOUD_INFRASTRUCTURE"
confidence: 0.779
1{2}
capability: "EXTERNAL_COMMUNICATION"
confidence: 0.538
risk_severity: "INFO"
fingerprint: "d8abce12339e0a11aef6c1fc4f0d079148386386c8c3cca6d66aecc866232d4b"
input_schema_fingerprint: "3bcf1f3aad975f4439bb45062565891cc16c32aa6569b0d19aa45ed1370084cb"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: null
idempotentHint: true
openWorldHint: true
1{9}
name: "cern_opendata_get_records"
title: "Get CERN Open Data Records"
effect: "READ"
effect_confidence: 0.776
capabilities[0]
risk_severity: "INFO"
fingerprint: "feb6a06e497523dedfbbd6bc6c44806064aa118647fa048004bdb4ea4143ad70"
input_schema_fingerprint: "16cb98c73b1cf122030f99095e4efbd436335e09efcfb8c9c087c552059ed9b1"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: null
idempotentHint: true
openWorldHint: true
2{9}
name: "cern_opendata_get_validated_runs"
title: "Get CMS Validated Runs"
effect: "EXECUTE"
effect_confidence: 0.5
capabilities[0]
risk_severity: "HIGH"
fingerprint: "252370701a9c29dba5d1f2f4952c3650a87a5000247e37d639134bc7425dc644"
input_schema_fingerprint: "71d7d334657e5bec8810bb863247258f0089d5e1fad78411b4e90877c39a7bcb"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: null
idempotentHint: true
openWorldHint: true
3{9}
name: "cern_opendata_list_files"
title: "List CERN Open Data Record Files"
effect: "READ"
effect_confidence: 0.905
capabilities[2]
0{2}
capability: "EXTERNAL_COMMUNICATION"
confidence: 0.816
1{2}
capability: "FILE_ACCESS"
confidence: 0.935
risk_severity: "INFO"
fingerprint: "1ece7554cd02e5e71c2c96e39cc28cf19d5f3f76c1d01b1f300f5db333f4b9bb"
input_schema_fingerprint: "49fc02b52575cc279e8b0d78b7d61acde76af937e2558537c2485f9764e0d457"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: null
idempotentHint: true
openWorldHint: true
4{9}
name: "cern_opendata_list_reference"
title: "List Reference Vocabulary"
effect: "READ"
effect_confidence: 0.868
capabilities[0]
risk_severity: "INFO"
fingerprint: "4a051a87949d90e6b5a34392f97d1e765b11c6666c9ef149eb0f8071a24c704a"
input_schema_fingerprint: "8580d238e9ebab8e581a67ce82536d5145a5e09112864159c4493dec1947e71d"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: null
idempotentHint: true
openWorldHint: false
5{9}
name: "cern_opendata_search_records"
title: "Search CERN Open Data Records"
effect: "EXECUTE"
effect_confidence: 0.6
capabilities[2]
0{2}
capability: "DATABASE_ACCESS"
confidence: 0.558
1{2}
capability: "FINANCIAL_TRANSACTION"
confidence: 0.977
risk_severity: "CRITICAL"
fingerprint: "62abb981515f69b8c0c8f83e9de9e7c6e9e4c378b0465e85750d01624058978d"
input_schema_fingerprint: "0ba9cd4fd898a6a482e023e03aa511df8090e6c981b4527421539b5fd4823966"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: null
idempotentHint: true
openWorldHint: true
6{9}
name: "cern_opendata_search_trigger_paths"
title: "Search CMS Trigger Paths"
effect: "READ"
effect_confidence: 0.888
capabilities[1]
0{2}
capability: "FILE_ACCESS"
confidence: 0.718
risk_severity: "INFO"
fingerprint: "2f13a870662012f0aafe4e448ef9c50acdae5e9023b43687e091e27a45712875"
input_schema_fingerprint: "866a98242f5b0286eaf0bc63e67b9ddfd85880193b5b3dc7571b5bdfed96cf57"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: null
idempotentHint: true
openWorldHint: true
resources[3]
0{4}
key: "skill://cern-opendata-guide/SKILL.md"
kind: "resource"
mime_type: "text/markdown"
fingerprint: "fafdc17a3021282d8fe6d44adfc30521094ded37b24c668a6cf1cb80d6bb4137"
1{4}
key: "cern-opendata://record/{recid}"
kind: "template"
mime_type: "application/json"
fingerprint: "161a237e00ca84f515607be24739be659b140b2c48e20cc6e77b250aadf3c696"
2{4}
key: "skill://{+path}"
kind: "template"
mime_type: null
fingerprint: "9777dc7f1cf468158c157032a0ccebf9b50270f4e8753af9ccaf2fe99890ccf0"
prompts[0]
extensions[1]
0: "io.modelcontextprotocol/skills"
data{6}
privacy_completeness: "not_provided"
data_categories[0]
ai_training: null
retention_policy: null
processing_regions[0]
subprocessors[0]
external_integrations[1]
0{3}
host: "cern-opendata.caseyjhand.com"
registrable_domain: "caseyjhand.com"
source: "transport"
findings[7]
0{6}
check_id: "SQ-SERVER-AUTH-NONE-WRITE"
category: "authentication"
severity: "HIGH"
title: "State-changing tools available without authentication"
subject_type: "server"
subject_name: null
1{6}
check_id: "SQ-TOOL-ANNOTATION-UNDERCLAIM"
category: "annotations"
severity: "MEDIUM"
title: "Annotations understate what the tool does"
subject_type: "tool"
subject_name: "cern_opendata_get_validated_runs"
2{6}
check_id: "SQ-TOOL-ANNOTATION-UNDERCLAIM"
category: "annotations"
severity: "MEDIUM"
title: "Annotations understate what the tool does"
subject_type: "tool"
subject_name: "cern_opendata_search_records"
3{6}
check_id: "SQ-TOOL-INJECTION-INSTRUCTIONS"
category: "prompt_injection"
severity: "MEDIUM"
title: "Instructions addressed to the AI model"
subject_type: "tool"
subject_name: "cern_opendata_search_trigger_paths"
4{6}
check_id: "SQ-TOOL-OVERLY-BROAD"
category: "tool_design"
severity: "MEDIUM"
title: "Runs arbitrary code with open-world access"
subject_type: "tool"
subject_name: "cern_opendata_search_records"
5{6}
check_id: "SQ-TOOL-TITLE-EFFECT-MISMATCH"
category: "deceptive_metadata"
severity: "HIGH"
title: "Display title describes a lower-impact action than the name"
subject_type: "tool"
subject_name: "cern_opendata_get_validated_runs"
6{6}
check_id: "SQ-TOOL-TITLE-EFFECT-MISMATCH"
category: "deceptive_metadata"
severity: "HIGH"
title: "Display title describes a lower-impact action than the name"
subject_type: "tool"
subject_name: "cern_opendata_search_records"
trust{9}
registry_namespace: "verified_upstream"
publisher_identity: "unverified"
organization: "unverified"
domain: "unverified"
repository: "unverified"
source_provenance: "partial"
security_scan: "findings_detected"
privacy_transparency: "not_provided"
monitoring: "active"
provenance{4}
registry_name: "io.github.cyanheads/cern-opendata-mcp-server"
registry_content_sha256: "c976f100657695ad7d6dbc1bf613f7ec914b6c2f2758deb7681e610acff9426b"
scan_snapshot_fingerprint: "a01607dcb311b0c2841e54723530d5876d66dfe61b98823501b45cf3d35a888e"
scanner_version: "1.0.0"
timestamps{4}
generated_at: "2026-11-15T02:14:49.399Z"
observed_at: "2026-11-08T22:36:03.455+00:00"
registry_published_at: "2026-10-30T09:40:10.792826+00:00"
registry_updated_at: null