CheckDigit
dev.workers.mike-tusa.checkdigit/checkdigit
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/c71066df-1e90-40b2-bd9e-d8c126acac91/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: "dev.workers.mike-tusa.checkdigit/checkdigit"
title: "CheckDigit"
description: "Offline check-digit validation for IBAN, BIC, EU VAT, GTIN/EAN/UPC and ISBN. Format check only."
version: "0.2.1"
homepage_url: "https://checkdigit.mike-tusa.workers.dev/"
source: "official_registry"
upstream_status: "active"
publisher{4}
namespace: "dev.workers.mike-tusa.checkdigit"
display_name: "dev.workers.mike-tusa.checkdigit"
type: "registry_namespace"
status: "unclaimed"
organization: null
repository: null
packages[0]
transports[1]
0{5}
kind: "remote"
type: "streamable-http"
endpoint_url: "https://checkdigit.mike-tusa.workers.dev/mcp"
endpoint_host: "checkdigit.mike-tusa.workers.dev"
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[2]
0{9}
name: "get_meta"
title: "Service version, supported formats and limits"
effect: "READ"
effect_confidence: 0.846
capabilities[0]
risk_severity: "INFO"
fingerprint: "964529e9349e6a04ff32cdca01b6b4ab32ffb1c4acf226dc82da61b8f7c212b9"
input_schema_fingerprint: "99334726611ccf58a148b0814696bfa6fe08c1b2d027e946beccf5a74331c9aa"
annotations{5}
title: "Service info"
readOnlyHint: true
destructiveHint: false
idempotentHint: true
openWorldHint: false
1{9}
name: "validate_code"
title: "Validate an IBAN, BIC, EU VAT number, GTIN/EAN/UPC or ISBN"
effect: "READ"
effect_confidence: 0.933
capabilities[0]
risk_severity: "INFO"
fingerprint: "0d16ab0a6ed21c23c4bf89fdac6645a738a711c58bee0b96657948aaf517a515"
input_schema_fingerprint: "ef3e35220a21b8ab8833fbcb7c70dd931868aed4b3b084c3bf33abb6c63ef6fc"
annotations{5}
title: "Validate code"
readOnlyHint: true
destructiveHint: false
idempotentHint: true
openWorldHint: false
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: "checkdigit.mike-tusa.workers.dev"
registrable_domain: "mike-tusa.workers.dev"
source: "transport"
findings[2]
0{6}
check_id: "SQ-REPO-MISSING"
category: "provenance"
severity: "LOW"
title: "No source repository linked"
subject_type: "server"
subject_name: null
1{6}
check_id: "SQ-SERVER-INSTRUCTIONS-INJECTION"
category: "prompt_injection"
severity: "HIGH"
title: "Server instructions contain directives to the AI model"
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: "findings_detected"
privacy_transparency: "not_provided"
monitoring: "active"
provenance{4}
registry_name: "dev.workers.mike-tusa.checkdigit/checkdigit"
registry_content_sha256: "6dd40d8edbc3af93d963acc9bddc0e65aa017635b0acc4583927c24a4bc162e2"
scan_snapshot_fingerprint: "fc9278d2f702650ab034571609358d2f1a8360e3ad06aec00935fdad1577e5c2"
scanner_version: "1.0.0"
timestamps{4}
generated_at: "2026-11-15T04:59:07.084Z"
observed_at: "2026-11-06T12:20:46.319+00:00"
registry_published_at: "2026-10-15T02:18:05.992681+00:00"
registry_updated_at: null