Canvas — 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": "canvas-mcp-server",
"source": {
"kind": "package",
"origin": "canvas-mcp-server"
},
"server": {
"name": "canvas-mcp-server"
}
},
"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-1.13"
},
"capability": {
"level": "moderate",
"reasons": [
"ingests untrusted external content (a prompt-injection entry point)",
"reads sensitive or local data"
],
"tags": [
"sensitive-source",
"untrusted-input"
]
},
"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 \"page_url\" on \"canvas_get_page\"",
"category": "network",
"severity": "medium",
"confidence": "heuristic",
"description": "Tool \"canvas_get_page\" takes a URL/host parameter \"page_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": "canvas_get_page",
"field": "inputSchema.properties.page_url"
},
"owasp": "LLM06:2025 Excessive Agency",
"data": {
"param": "page_url"
}
}
],
"toxicFlows": [],
"capabilities": [
{
"tool": "canvas_health_check",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_list_courses",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_get_course",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_create_course",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_update_course",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_list_assignments",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_get_assignment",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_create_assignment",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_update_assignment",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_list_assignment_groups",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_get_submission",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_submit_assignment",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_submit_grade",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_list_files",
"tags": [
"sensitive-source"
],
"reasons": {
"sensitive-source": [
"keyword \"list_files\""
]
}
},
{
"tool": "canvas_get_file",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_list_folders",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_list_pages",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_get_page",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"get_page\""
]
}
},
{
"tool": "canvas_list_calendar_events",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_get_upcoming_assignments",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_get_dashboard",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_get_dashboard_cards",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_get_course_grades",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_get_user_grades",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_get_user_profile",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_update_user_profile",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_enroll_user",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_list_modules",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_get_module",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_list_module_items",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_get_module_item",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_mark_module_item_complete",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_list_discussion_topics",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_get_discussion_topic",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_post_to_discussion",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_list_announcements",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_list_quizzes",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_get_quiz",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_create_quiz",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_start_quiz_attempt",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_list_rubrics",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_get_rubric",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_list_conversations",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_get_conversation",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_create_conversation",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_list_notifications",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_get_syllabus",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_get_account",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_list_account_courses",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_list_account_users",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_create_user",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_list_sub_accounts",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_get_account_reports",
"tags": [],
"reasons": {}
},
{
"tool": "canvas_create_account_report",
"tags": [],
"reasons": {}
},
{
"tool": "Canvas Health Status",
"tags": [],
"reasons": {}
},
{
"tool": "All Courses",
"tags": [],
"reasons": {}
},
{
"tool": "User Dashboard",
"tags": [],
"reasons": {}
},
{
"tool": "User Profile",
"tags": [],
"reasons": {}
},
{
"tool": "Upcoming Events",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "d62a772ce3a9d79bead1846be70d0e1a56118bcd5b1a500fe4ea99c182b00418",
"stats": {
"tools": 59,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 0,
"medium": 1,
"low": 0,
"info": 0
}
}
}