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/ae9747e4-034c-4d36-a0a7-db2f1a079b72/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: "ch.1820/telefonbuch"
title: "1820.ch – Telefonbuch Schweiz"
description: "Swiss phone directory: search people and businesses, reverse number lookup, business categories."
version: "1.0.1"
homepage_url: "https://1820.ch/ch/de/ki-assistenten"
source: "official_registry"
upstream_status: "active"
publisher{4}
namespace: "ch.1820"
display_name: "ch.1820"
type: "registry_namespace"
status: "unclaimed"
organization: null
repository: null
packages[0]
transports[1]
0{5}
kind: "remote"
type: "streamable-http"
endpoint_url: "https://mcp.1820.ch/mcp"
endpoint_host: "mcp.1820.ch"
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[4]
0{9}
name: "browse_business_category"
title: "Browse a business category"
effect: "READ"
effect_confidence: 0.921
capabilities[0]
risk_severity: "INFO"
fingerprint: "d9e280882afaf7a1cb1afd92ced478b2de52e808a1b81adafa0b94462c4b637e"
input_schema_fingerprint: "e428b89ecfa9a9d2963fdec46c3fff765335555dc69d69cd79e780c5c04355fd"
annotations{5}
title: "Browse a business category"
readOnlyHint: true
destructiveHint: null
idempotentHint: true
openWorldHint: null
1{9}
name: "get_directory_entry"
title: "Get a directory entry"
effect: "READ"
effect_confidence: 0.933
capabilities[0]
risk_severity: "INFO"
fingerprint: "bb136f1cb9c4e172544bcac5345bdd342fb84256a2276a126b9d0d4420ba9665"
input_schema_fingerprint: "71152e252887bd1d83422a5b59a55d6c6cd90eb36f39a64dc9aeb9e42e84ea0f"
annotations{5}
title: "Get a directory entry"
readOnlyHint: true
destructiveHint: null
idempotentHint: true
openWorldHint: null
2{9}
name: "reverse_phone_lookup"
title: "Reverse phone lookup"
effect: "READ"
effect_confidence: 0.813
capabilities[1]
0{2}
capability: "PERSONAL_DATA"
confidence: 0.667
risk_severity: "LOW"
fingerprint: "dc573071dc5892104a34da5535e2515525d70fe658bd0ad5301a3d01f1cb4588"
input_schema_fingerprint: "fe84b9627671ff9a118ae0b1ffe3a352b8808f56fc2074379978f963c44674a7"
annotations{5}
title: "Reverse phone lookup"
readOnlyHint: true
destructiveHint: null
idempotentHint: true
openWorldHint: null
3{9}
name: "search_swiss_directory"
title: "Search the Swiss directory"
effect: "READ"
effect_confidence: 0.857
capabilities[1]
0{2}
capability: "PERSONAL_DATA"
confidence: 0.63
risk_severity: "LOW"
fingerprint: "f189ab277b51b59bda0f42ff642e386ed95b31bd3fdb56b88971d07eb2c717e8"
input_schema_fingerprint: "958fc24132e34e4d691d6aa2ddbfafcd3e6b6267ec02ecb619be77f5cfe03d5a"
annotations{5}
title: "Search the Swiss directory"
readOnlyHint: true
destructiveHint: null
idempotentHint: true
openWorldHint: null
resources[0]
prompts[0]
extensions[0]
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: "mcp.1820.ch"
registrable_domain: "1820.ch"
source: "transport"
findings[1]
0{6}
check_id: "SQ-REPO-MISSING"
category: "provenance"
severity: "LOW"
title: "No source repository linked"
subject_type: "server"
subject_name: null
trust{9}
registry_namespace: "verified_upstream"
publisher_identity: "unverified"
organization: "unverified"
domain: "unverified"
repository: "not_provided"
source_provenance: "unknown"
security_scan: "no_critical_findings"
privacy_transparency: "not_provided"
monitoring: "active"
provenance{4}
registry_name: "ch.1820/telefonbuch"
registry_content_sha256: "84d303e474b9f63098ead9daf737d9394ade4c6ac1150b744ba75e7ae4056740"
scan_snapshot_fingerprint: "6ea611671c414552bf41f6cad10c6f2871fde2d32cac8db7886bf3f98b49a660"
scanner_version: "1.0.0"
timestamps{4}
generated_at: "2026-11-15T13:57:53.434Z"
observed_at: "2026-11-13T00:20:28.571+00:00"
registry_published_at: "2026-09-27T16:55:16.60974+00:00"
registry_updated_at: null