Agent Preflight: OFAC, DNS, Email Auth, Domain, Email & URL
dev.workers.sdnscreen.sdn-screen-x402/agent-preflight
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/ac08d42d-6fb3-43f0-a021-beadd2d35f06/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.sdnscreen.sdn-screen-x402/agent-preflight"
title: "Agent Preflight: OFAC, DNS, Email Auth, Domain, Email & URL"
description: "$0.01/call via x402: OFAC wallet screen, DNS, email auth, domain age, email verify, URL unshorten."
version: "1.3.0"
homepage_url: "https://sdn-screen-x402.sdnscreen.workers.dev/llms.txt"
source: "official_registry"
upstream_status: "active"
publisher{4}
namespace: "dev.workers.sdnscreen.sdn-screen-x402"
display_name: "dev.workers.sdnscreen.sdn-screen-x402"
type: "registry_namespace"
status: "unclaimed"
organization: null
repository: null
packages[0]
transports[1]
0{5}
kind: "remote"
type: "streamable-http"
endpoint_url: "https://sdn-screen-x402.sdnscreen.workers.dev/mcp"
endpoint_host: "sdn-screen-x402.sdnscreen.workers.dev"
auth_type: "none"
auth{3}
type: "none"
authorization_servers[0]
scopes[0]
protocol{4}
era: "legacy"
negotiated_version: "2025-11-25"
supported_versions[0]
transport_type: "streamable-http"
tools[6]
0{9}
name: "dns_lookup"
title: "DNS Records Lookup"
effect: "READ"
effect_confidence: 0.813
capabilities[3]
0{2}
capability: "CLOUD_INFRASTRUCTURE"
confidence: 0.935
1{2}
capability: "EMAIL"
confidence: 0.632
2{2}
capability: "PERSONAL_DATA"
confidence: 0.6
risk_severity: "MEDIUM"
fingerprint: "b1f7a274c655a6faa6408f45240983a21dcd457209df69f0621c1941a2096a8e"
input_schema_fingerprint: "e9c0ec45c8531c9996eec42ba77c50d56ca5708d8374d5d19fa70322e2f335fa"
annotations{5}
title: "DNS Records Lookup"
readOnlyHint: true
destructiveHint: false
idempotentHint: true
openWorldHint: true
1{9}
name: "email_auth_check"
title: "Email Auth Check (SPF/DMARC/DKIM)"
effect: "WRITE"
effect_confidence: 0.79
capabilities[4]
0{2}
capability: "AUTHENTICATION"
confidence: 0.675
1{2}
capability: "EMAIL"
confidence: 0.915
2{2}
capability: "EXTERNAL_COMMUNICATION"
confidence: 0.718
3{2}
capability: "PERSONAL_DATA"
confidence: 0.6
risk_severity: "MEDIUM"
fingerprint: "2f1dce0cf32d2061693d8a46bb7730ac3125bfd102d2e44cf76df1a922f607a6"
input_schema_fingerprint: "f4f67aa1b054c894fbece4c1b673535ffb982bcc017e45ca4fde2c4d294f32ff"
annotations{5}
title: "Email Auth Check (SPF/DMARC/DKIM)"
readOnlyHint: true
destructiveHint: false
idempotentHint: true
openWorldHint: true
2{9}
name: "email_mx_verify"
title: "Email Address Verify (MX, no SMTP)"
effect: "READ"
effect_confidence: 0.841
capabilities[2]
0{2}
capability: "EMAIL"
confidence: 0.984
1{2}
capability: "PERSONAL_DATA"
confidence: 0.779
risk_severity: "MEDIUM"
fingerprint: "698f40a219739adc86d34a450dc63f623f69022f65d4e4f27abbce668461cc0d"
input_schema_fingerprint: "91d36d0d783eeba7bdf0f67bd97276ffb070f625d76e4a613a8c710ace1961ec"
annotations{5}
title: "Email Address Verify (MX, no SMTP)"
readOnlyHint: true
destructiveHint: false
idempotentHint: true
openWorldHint: true
3{9}
name: "ofac_wallet_screen"
title: "OFAC SDN Wallet Screen"
effect: "READ"
effect_confidence: 0.422
capabilities[0]
risk_severity: "INFO"
fingerprint: "f65f12588d7101cabe6c44d6a4f50a7c209272cce7b1067058d0b066a17edea1"
input_schema_fingerprint: "4e8647bc9ec72fb509602194b6e9e1c20708842e7e20cd50870a1f92e2612b44"
annotations{5}
title: "OFAC SDN Wallet Screen"
readOnlyHint: true
destructiveHint: false
idempotentHint: true
openWorldHint: true
4{9}
name: "url_unshorten"
title: "URL Unshorten & Redirect Check"
effect: "WRITE"
effect_confidence: 0.603
capabilities[1]
0{2}
capability: "EXTERNAL_COMMUNICATION"
confidence: 0.967
risk_severity: "MEDIUM"
fingerprint: "e641739cdd7d17201baf84fc1a7ced6a7c63ea05f148c9816efa8c36bbd4b354"
input_schema_fingerprint: "b567c953add90b4630262248e037066c007ed52361cc05afbc4a0ebe1b550b6c"
annotations{5}
title: "URL Unshorten & Redirect Check"
readOnlyHint: true
destructiveHint: false
idempotentHint: true
openWorldHint: true
5{9}
name: "whois_domain_age"
title: "Domain Age & Registrar (RDAP)"
effect: "READ"
effect_confidence: 0.682
capabilities[1]
0{2}
capability: "EXTERNAL_COMMUNICATION"
confidence: 0.53
risk_severity: "INFO"
fingerprint: "e9f124e9f8bd3f8681c720167f7f7cce36c8886b38632e7bc394c5b5af4005b4"
input_schema_fingerprint: "82f6e34086770476a8c9586cd86a40a64e3c937d9427ddf4d1220d9e6192846a"
annotations{5}
title: "Domain Age & Registrar (RDAP)"
readOnlyHint: true
destructiveHint: false
idempotentHint: true
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: "sdn-screen-x402.sdnscreen.workers.dev"
registrable_domain: "sdnscreen.workers.dev"
source: "transport"
findings[4]
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
2{6}
check_id: "SQ-TOOL-ANNOTATION-UNDERCLAIM"
category: "annotations"
severity: "MEDIUM"
title: "Annotations understate what the tool does"
subject_type: "tool"
subject_name: "email_auth_check"
3{6}
check_id: "SQ-TOOL-ANNOTATION-UNDERCLAIM"
category: "annotations"
severity: "LOW"
title: "Annotations understate what the tool does"
subject_type: "tool"
subject_name: "url_unshorten"
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: "dev.workers.sdnscreen.sdn-screen-x402/agent-preflight"
registry_content_sha256: "c6d1c30475b738c9743e8bc7ebcf1de915b6b2c94c92ee77f5c9186dc0d34a84"
scan_snapshot_fingerprint: "b7e35b81923aef73d9c1e63a0b0eb41acc22a60f42002f38c902b14e3f0c340c"
scanner_version: "1.0.0"
timestamps{4}
generated_at: "2026-11-15T05:52:29.497Z"
observed_at: "2026-11-05T12:23:11.723+00:00"
registry_published_at: "2026-10-12T17:53:56.147082+00:00"
registry_updated_at: null