Horizon — the complete, unedited output of the deterministic mcptrustchecker engine v1.9.0, scanned . Every finding, capability tag and score component below is exactly what the engine produced — no AI, no post-processing.
{
"tool": {
"name": "mcptrustchecker",
"version": "1.9.0",
"methodologyVersion": "mcptrustchecker-1.9"
},
"target": {
"id": "horizon-mcp",
"source": {
"kind": "package",
"origin": "horizon-mcp"
},
"server": {
"name": "horizon-mcp"
}
},
"grade": "A",
"score": {
"score": 96,
"threatScore": 100,
"grade": "A",
"band": "A",
"categorySubtotals": {
"injection": 0,
"exfiltration": 0,
"permissions": 0,
"supply-chain": 0,
"network": 0,
"hygiene": 0
},
"vector": [
{
"kind": "client",
"term": "capability-exposure",
"level": "moderate",
"label": "capability blast radius (moderate) — client exposure if the model is manipulated",
"appliedPenalty": 3
},
{
"kind": "client",
"term": "verification-discount",
"level": "repo",
"label": "publisher verification (public source) — no provenance, but the source is public and inspectable",
"appliedPenalty": 1
},
{
"kind": "client",
"term": "coverage-honesty",
"level": "source",
"label": "inspection depth (source) — how much of the target the scan could see",
"appliedPenalty": 0
}
],
"gatesFired": [],
"methodologyVersion": "mcptrustchecker-1.9"
},
"capability": {
"level": "moderate",
"reasons": [
"can send data / act on an external service"
],
"tags": [
"external-sink"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (102 recovered), not enumerated from a running server. Tool-poisoning, Unicode-smuggling, capability and toxic-flow analysis ran on this inferred surface, but a mis-parsed registration could be missed or mis-attributed, so tool-derived findings are capped below “confirmed”. To grade the real runtime surface, scan the running server: --command \"npx -y <package>\"."
]
},
"findings": [],
"toxicFlows": [],
"capabilities": [
{
"tool": "horizon_admin_cloudsave_list",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_cloudsave_get",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_cloudsave_update",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_cloudsave_delete",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_cloudsave_getStats",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_cloudsave_getLimits",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_crashes_listGroups",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_crashes_getGroup",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_crashes_updateStatus",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_crashes_updateNotes",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_crashes_listOccurrences",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_crashes_getReport",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_crashes_getStats",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_crashes_deleteGroup",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_emailtemplates_list",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_emailtemplates_get",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_emailtemplates_create",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_emailtemplates_update",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_emailtemplates_delete",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_emailtemplates_preview",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_feedback_list",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_feedback_get",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_giftcodes_list",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_giftcodes_get",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_giftcodes_create",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_giftcodes_update",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_giftcodes_delete",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_giftcodes_revoke",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_giftcodes_getStats",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_giftcodes_getLimits",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_leaderboard_list",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_leaderboard_get",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_leaderboard_delete",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_leaderboard_bulkDelete",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_leaderboard_getStats",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_leaderboard_getLimits",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_localization_list",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_localization_create",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_localization_delete",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_localization_deleteByKey",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_localization_bulkDelete",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_localization_getLimits",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_news_list",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_news_get",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_news_create",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_news_update",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_news_delete",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_news_publish",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_news_unpublish",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_news_getStats",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_projects_list",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_projects_get",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_projects_create",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_projects_update",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_projects_regenerate",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_projects_revoke",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_projects_delete",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_remoteconfig_list",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_remoteconfig_create",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_remoteconfig_delete",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_remoteconfig_deleteByKey",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_remoteconfig_bulkDelete",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_remoteconfig_getLimits",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_smtp_get",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_smtp_save",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_smtp_test",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_smtp_delete",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_userlogs_list",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_users_list",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_users_get",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_users_activate",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_users_deactivate",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_users_delete",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_admin_users_getStats",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_signup_anonymous",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_signup_email",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_signin_email",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_signin_anonymous",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_check_auth",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_save_cloud_data",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_load_cloud_data",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_test_connection",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_create_crash_report",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_create_crash_session",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_send_email",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"send_email\""
]
}
},
{
"tool": "horizon_cancel_email",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_get_email_status",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_submit_feedback",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_validate_gift_code",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_redeem_gift_code",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_list_leaderboards",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_submit_score",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_get_leaderboard_top",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_get_user_rank",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_get_leaderboard_around",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_get_localization",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_get_all_localizations",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_get_localization_languages",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_get_news",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_get_remote_config",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_get_all_remote_configs",
"tags": [],
"reasons": {}
},
{
"tool": "horizon_create_log",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "171670c52885174ec086ba4d8a8d9c02d99726a62c4d94e1e45d719c5e89d917",
"stats": {
"tools": 102,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 0,
"medium": 0,
"low": 0,
"info": 0
}
}
}