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/4f4d5db7-d5ca-411c-9a73-21e7353abaaa/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: "com.heysigna/signa"
title: "Signa"
description: "Discover Signa's AI agents, workflow automation and team training, and contact its team."
version: "1.0.0"
homepage_url: "https://heysigna.com/"
source: "official_registry"
upstream_status: "active"
publisher{4}
namespace: "com.heysigna"
display_name: "com.heysigna"
type: "registry_namespace"
status: "unclaimed"
organization: null
repository: null
packages[0]
transports[1]
0{5}
kind: "remote"
type: "streamable-http"
endpoint_url: "https://heysigna.com/mcp"
endpoint_host: "heysigna.com"
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[2]
0{9}
name: "about_signa"
title: "About Signa"
effect: "READ"
effect_confidence: 0.32
capabilities[0]
risk_severity: "INFO"
fingerprint: "e4d41afa9775df0549fc54689efb39153602921d40f27275db93b8dad8650f23"
input_schema_fingerprint: "99334726611ccf58a148b0814696bfa6fe08c1b2d027e946beccf5a74331c9aa"
annotations{5}
title: null
readOnlyHint: true
destructiveHint: null
idempotentHint: null
openWorldHint: false
1{9}
name: "contact_signa"
title: "Contact Signa"
effect: "WRITE"
effect_confidence: 0.45
capabilities[4]
0{2}
capability: "EMAIL"
confidence: 0.718
1{2}
capability: "EXTERNAL_COMMUNICATION"
confidence: 0.718
2{2}
capability: "MESSAGING"
confidence: 0.61
3{2}
capability: "PERSONAL_DATA"
confidence: 0.963
risk_severity: "MEDIUM"
fingerprint: "b7cda221dbd4b12080d4c59345a7a7d326d96345e199d7012f7f63869c9be51e"
input_schema_fingerprint: "05d4786a926965bdc05c1e600a4b52dd53d38bd449efa1cfd33ee0f3657982e3"
annotations{5}
title: null
readOnlyHint: false
destructiveHint: false
idempotentHint: false
openWorldHint: true
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: "heysigna.com"
registrable_domain: "heysigna.com"
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-AUTH-NONE-WRITE"
category: "authentication"
severity: "MEDIUM"
title: "State-changing tools available without authentication"
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: "com.heysigna/signa"
registry_content_sha256: "a82c8a7f3d19eddc86207bf5a83c197c569b8830b349625eed4957e2834184d8"
scan_snapshot_fingerprint: "8491c205840f7de0ed84d4a121ac220d03529804f3141f49301a9911443d676e"
scanner_version: "1.0.0"
timestamps{4}
generated_at: "2026-11-15T04:59:22.526Z"
observed_at: "2026-11-14T23:45:00.982+00:00"
registry_published_at: "2026-11-14T17:20:44.724186+00:00"
registry_updated_at: null