US Business Verification (KYB) MCP Server
ai.greyridgesignals/business-verification-mcp
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/c8ab81f1-7012-4e39-842d-9377bd7c4fd3/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: "ai.greyridgesignals/business-verification-mcp"
title: "US Business Verification (KYB) MCP Server"
description: "Keyless KYB: verify, OFAC SDN + GLEIF ownership/UBO graph (parents+subsidiaries). NY/CO/CT. No key."
version: "0.7.0"
homepage_url: "https://business-verification-mcp.sigrunner.workers.dev"
source: "official_registry"
upstream_status: "active"
publisher{4}
namespace: "ai.greyridgesignals"
display_name: "ai.greyridgesignals"
type: "registry_namespace"
status: "unclaimed"
organization: null
repository{5}
url: "https://github.com/rezearcher/business-verification-mcp"
provider: "github"
owner: "rezearcher"
name: "business-verification-mcp"
verified: false
packages[0]
transports[1]
0{5}
kind: "remote"
type: "streamable-http"
endpoint_url: "https://business-verification-mcp.sigrunner.workers.dev/mcp"
endpoint_host: "business-verification-mcp.sigrunner.workers.dev"
auth_type: "none"
auth{3}
type: "none"
authorization_servers[0]
scopes[0]
protocol{4}
era: "legacy"
negotiated_version: "2025-06-18"
supported_versions[0]
transport_type: "streamable-http"
tools[6]
0{9}
name: "list_states"
title: null
effect: "READ"
effect_confidence: 0.808
capabilities[0]
risk_severity: "INFO"
fingerprint: "63313638a510a6068b9e19bcf75b4d86227454f840bc0a71bc56274d8a3938f0"
input_schema_fingerprint: "99334726611ccf58a148b0814696bfa6fe08c1b2d027e946beccf5a74331c9aa"
annotations{5}
title: null
readOnlyHint: null
destructiveHint: null
idempotentHint: null
openWorldHint: null
1{9}
name: "lookup_entity"
title: null
effect: "READ"
effect_confidence: 0.703
capabilities[0]
risk_severity: "INFO"
fingerprint: "1e9b2ee73845f106bde0825ec4d9c66d38aedd475e9d50a75ebb075d5d6c2887"
input_schema_fingerprint: "d0692cc0b4f384bcaeab8c86b0fffb4bc4081732e90a8357efcced1d343f2f40"
annotations{5}
title: null
readOnlyHint: null
destructiveHint: null
idempotentHint: null
openWorldHint: null
2{9}
name: "map_ownership"
title: null
effect: "UNKNOWN"
effect_confidence: 0.15
capabilities[2]
0{2}
capability: "LOCATION"
confidence: 0.5
1{2}
capability: "PERMISSION_MANAGEMENT"
confidence: 0.783
risk_severity: "LOW"
fingerprint: "cc9e1d1b1554693fa7bd5df215f6572003e49b983c3a6c2f9f9320181d6aea9d"
input_schema_fingerprint: "d61c3c4a83ea06cc9cde300f3aecb288766dd00c8c83b0e5aaf1ab493247cefd"
annotations{5}
title: null
readOnlyHint: null
destructiveHint: null
idempotentHint: null
openWorldHint: null
3{9}
name: "screen_sanctions"
title: null
effect: "UNKNOWN"
effect_confidence: 0.15
capabilities[0]
risk_severity: "LOW"
fingerprint: "08da61e827278f29c522046d8bb5be6c4fe17829703baba64808281844129dc7"
input_schema_fingerprint: "014908f4940c50256c8e40946dd0bddabf002e9ccbe17bb4ed337b61d6d77ff6"
annotations{5}
title: null
readOnlyHint: null
destructiveHint: null
idempotentHint: null
openWorldHint: null
4{9}
name: "search_entities"
title: null
effect: "READ"
effect_confidence: 0.861
capabilities[0]
risk_severity: "INFO"
fingerprint: "ac7387bc2e580cd450ea3aa53e7be728b5081dd7ed19803e304209478f7f69d2"
input_schema_fingerprint: "c356c8ac9c847ffd1fdc320bc5a9e34c58b0383561d83caa9728ed4ef8f615a7"
annotations{5}
title: null
readOnlyHint: null
destructiveHint: null
idempotentHint: null
openWorldHint: null
5{9}
name: "verify_business"
title: null
effect: "READ"
effect_confidence: 0.703
capabilities[0]
risk_severity: "INFO"
fingerprint: "e9942ab1164f00e089c3214c223c2051ebf372ae506bd0ab5d2f6b8543fa6154"
input_schema_fingerprint: "51f904186abbd5bbeab28811c107d40e908be88138725ce0e432e3f58bb284a0"
annotations{5}
title: null
readOnlyHint: null
destructiveHint: null
idempotentHint: null
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: "business-verification-mcp.sigrunner.workers.dev"
registrable_domain: "sigrunner.workers.dev"
source: "transport"
findings[6]
0{6}
check_id: "SQ-ENDPOINT-OUTSIDE-NAMESPACE"
category: "provenance"
severity: "LOW"
title: "Endpoint host outside the namespace domain"
subject_type: "server"
subject_name: null
1{6}
check_id: "SQ-TOOL-EXFIL-SHAPED-PARAM"
category: "schema"
severity: "LOW"
title: "Free-text parameter commonly used to collect conversation data"
subject_type: "tool"
subject_name: "lookup_entity"
2{6}
check_id: "SQ-TOOL-EXFIL-SHAPED-PARAM"
category: "schema"
severity: "LOW"
title: "Free-text parameter commonly used to collect conversation data"
subject_type: "tool"
subject_name: "search_entities"
3{6}
check_id: "SQ-TOOL-EXFIL-SHAPED-PARAM"
category: "schema"
severity: "INFO"
title: "Free-text parameter commonly used to collect conversation data"
subject_type: "tool"
subject_name: "verify_business"
4{6}
check_id: "SQ-TOOL-META-INSUFFICIENT"
category: "tool_design"
severity: "LOW"
title: "Description too thin to determine behavior"
subject_type: "tool"
subject_name: "map_ownership"
5{6}
check_id: "SQ-TOOL-META-INSUFFICIENT"
category: "tool_design"
severity: "LOW"
title: "Description too thin to determine behavior"
subject_type: "tool"
subject_name: "screen_sanctions"
trust{9}
registry_namespace: "verified_upstream"
publisher_identity: "unverified"
organization: "unverified"
domain: "unverified"
repository: "unverified"
source_provenance: "unknown"
security_scan: "no_critical_findings"
privacy_transparency: "not_provided"
monitoring: "active"
provenance{4}
registry_name: "ai.greyridgesignals/business-verification-mcp"
registry_content_sha256: "9d01d117ad0ba2294b4f19c3d9ae24dcd3cfa3f990f48ac3cc2970ff36f2b5f3"
scan_snapshot_fingerprint: "86d7a1844b79bbf0f5de7d6d776a08564b113a3248bc8a3488a1f973ab5c0579"
scanner_version: "1.0.0"
timestamps{4}
generated_at: "2026-11-15T07:21:04.595Z"
observed_at: "2026-11-12T19:43:29.304+00:00"
registry_published_at: "2026-11-12T18:19:35.713214+00:00"
registry_updated_at: null