Meta — the complete, unedited output of the deterministic mcptrustchecker engine v1.13.0, scanned . Every finding, capability tag and score component below is exactly what the engine produced — no AI, no post-processing.
{
"tool": {
"name": "mcptrustchecker",
"version": "1.13.0",
"methodologyVersion": "mcptrustchecker-1.13"
},
"target": {
"id": "@exileum/meta-mcp",
"source": {
"kind": "package",
"origin": "@exileum/meta-mcp"
},
"server": {
"name": "@exileum/meta-mcp"
}
},
"grade": "A",
"score": {
"score": 97,
"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": "source",
"label": "publisher verification (provenance) — cryptographic build provenance ties the artifact to its source",
"appliedPenalty": 0
},
{
"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-1.13"
},
"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 (59 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": [
{
"ruleId": "MTC-CAP-007",
"title": "Unconstrained URL/host parameter \"callback_url\" on \"meta_subscribe_webhook\"",
"category": "network",
"severity": "medium",
"confidence": "heuristic",
"description": "Tool \"meta_subscribe_webhook\" takes a URL/host parameter \"callback_url\" with no allowlist/pattern. An outbound-request tool with an unbounded destination enables SSRF and cloud-metadata access (e.g. 169.254.169.254).",
"remediation": "Allowlist destinations or constrain the parameter; block private/link-local addresses server-side.",
"location": {
"kind": "tool",
"name": "meta_subscribe_webhook",
"field": "inputSchema.properties.callback_url"
},
"owasp": "LLM06:2025 Excessive Agency",
"data": {
"param": "callback_url"
}
}
],
"toxicFlows": [],
"capabilities": [
{
"tool": "ig_get_comments",
"tags": [],
"reasons": {}
},
{
"tool": "ig_get_comment",
"tags": [],
"reasons": {}
},
{
"tool": "ig_post_comment",
"tags": [],
"reasons": {}
},
{
"tool": "ig_get_replies",
"tags": [],
"reasons": {}
},
{
"tool": "ig_reply_to_comment",
"tags": [],
"reasons": {}
},
{
"tool": "ig_hide_comment",
"tags": [],
"reasons": {}
},
{
"tool": "ig_delete_comment",
"tags": [],
"reasons": {}
},
{
"tool": "ig_search_hashtag",
"tags": [],
"reasons": {}
},
{
"tool": "ig_get_hashtag",
"tags": [],
"reasons": {}
},
{
"tool": "ig_get_hashtag_recent",
"tags": [],
"reasons": {}
},
{
"tool": "ig_get_hashtag_top",
"tags": [],
"reasons": {}
},
{
"tool": "ig_get_media_list",
"tags": [],
"reasons": {}
},
{
"tool": "ig_get_media",
"tags": [],
"reasons": {}
},
{
"tool": "ig_delete_media",
"tags": [],
"reasons": {}
},
{
"tool": "ig_get_media_insights",
"tags": [],
"reasons": {}
},
{
"tool": "ig_toggle_comments",
"tags": [],
"reasons": {}
},
{
"tool": "ig_get_mentioned_comment",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"webhook\""
]
}
},
{
"tool": "ig_get_tagged_media",
"tags": [],
"reasons": {}
},
{
"tool": "ig_get_conversations",
"tags": [],
"reasons": {}
},
{
"tool": "ig_get_messages",
"tags": [],
"reasons": {}
},
{
"tool": "ig_send_message",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"send_message\"",
"parameter \"recipient\""
]
}
},
{
"tool": "ig_get_message",
"tags": [],
"reasons": {}
},
{
"tool": "ig_get_profile",
"tags": [],
"reasons": {}
},
{
"tool": "ig_get_account_insights",
"tags": [],
"reasons": {}
},
{
"tool": "ig_business_discovery",
"tags": [],
"reasons": {}
},
{
"tool": "ig_get_collaboration_invites",
"tags": [],
"reasons": {}
},
{
"tool": "ig_respond_collaboration_invite",
"tags": [],
"reasons": {}
},
{
"tool": "ig_publish_photo",
"tags": [],
"reasons": {}
},
{
"tool": "ig_publish_video",
"tags": [],
"reasons": {}
},
{
"tool": "ig_publish_carousel",
"tags": [],
"reasons": {}
},
{
"tool": "ig_publish_reel",
"tags": [],
"reasons": {}
},
{
"tool": "ig_publish_story",
"tags": [],
"reasons": {}
},
{
"tool": "ig_get_container_status",
"tags": [],
"reasons": {}
},
{
"tool": "meta_exchange_token",
"tags": [],
"reasons": {}
},
{
"tool": "meta_refresh_token",
"tags": [],
"reasons": {}
},
{
"tool": "meta_debug_token",
"tags": [],
"reasons": {}
},
{
"tool": "meta_get_app_info",
"tags": [],
"reasons": {}
},
{
"tool": "meta_subscribe_webhook",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"webhook\""
]
}
},
{
"tool": "meta_get_webhook_subscriptions",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"webhook\""
]
}
},
{
"tool": "threads_get_post_insights",
"tags": [],
"reasons": {}
},
{
"tool": "threads_get_user_insights",
"tags": [],
"reasons": {}
},
{
"tool": "threads_get_posts",
"tags": [],
"reasons": {}
},
{
"tool": "threads_get_post",
"tags": [],
"reasons": {}
},
{
"tool": "threads_search_posts",
"tags": [],
"reasons": {}
},
{
"tool": "threads_get_mentions",
"tags": [],
"reasons": {}
},
{
"tool": "threads_get_profile",
"tags": [],
"reasons": {}
},
{
"tool": "threads_publish_text",
"tags": [],
"reasons": {}
},
{
"tool": "threads_publish_image",
"tags": [],
"reasons": {}
},
{
"tool": "threads_publish_video",
"tags": [],
"reasons": {}
},
{
"tool": "threads_publish_carousel",
"tags": [],
"reasons": {}
},
{
"tool": "threads_delete_post",
"tags": [],
"reasons": {}
},
{
"tool": "threads_get_container_status",
"tags": [],
"reasons": {}
},
{
"tool": "threads_get_publishing_limit",
"tags": [],
"reasons": {}
},
{
"tool": "threads_repost",
"tags": [],
"reasons": {}
},
{
"tool": "threads_search_locations",
"tags": [],
"reasons": {}
},
{
"tool": "threads_get_replies",
"tags": [],
"reasons": {}
},
{
"tool": "threads_reply",
"tags": [],
"reasons": {}
},
{
"tool": "threads_hide_reply",
"tags": [],
"reasons": {}
},
{
"tool": "threads_unhide_reply",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "b05f503f19c2856d2144adf0210db997ea12c5b29b3761fe481918d6fefced87",
"stats": {
"tools": 59,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 0,
"medium": 1,
"low": 0,
"info": 0
}
}
}