Keepsake — 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": "keepsake-mcp",
"source": {
"kind": "package",
"origin": "keepsake-mcp"
},
"server": {
"name": "keepsake-mcp"
}
},
"grade": "A",
"score": {
"score": 95,
"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": "none",
"label": "publisher verification (unlinked) — no provenance/repo link, but the shipped source was fully read",
"appliedPenalty": 2
},
{
"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 create, modify or delete files"
],
"tags": [
"file-write"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (73 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-002",
"title": "Tool \"unlink_tag\" can modify the filesystem",
"category": "permissions",
"severity": "medium",
"confidence": "strong",
"description": "Tool \"unlink_tag\" can write, overwrite or delete files (keyword \"unlink\" in tool name). Verify it is scoped to a safe directory.",
"remediation": "Constrain file operations to an explicit, non-sensitive root; reject path traversal.",
"location": {
"kind": "tool",
"name": "unlink_tag"
},
"data": {
"tags": [
"file-write"
]
}
},
{
"ruleId": "MTC-CAP-002",
"title": "Tool \"unlink_note_contact\" can modify the filesystem",
"category": "permissions",
"severity": "medium",
"confidence": "strong",
"description": "Tool \"unlink_note_contact\" can write, overwrite or delete files (keyword \"unlink\" in tool name). Verify it is scoped to a safe directory.",
"remediation": "Constrain file operations to an explicit, non-sensitive root; reject path traversal.",
"location": {
"kind": "tool",
"name": "unlink_note_contact"
},
"data": {
"tags": [
"file-write"
]
}
},
{
"ruleId": "MTC-CAP-002",
"title": "Tool \"unlink_entry_contact\" can modify the filesystem",
"category": "permissions",
"severity": "medium",
"confidence": "strong",
"description": "Tool \"unlink_entry_contact\" can write, overwrite or delete files (keyword \"unlink\" in tool name). Verify it is scoped to a safe directory.",
"remediation": "Constrain file operations to an explicit, non-sensitive root; reject path traversal.",
"location": {
"kind": "tool",
"name": "unlink_entry_contact"
},
"data": {
"tags": [
"file-write"
]
}
},
{
"ruleId": "MTC-CAP-002",
"title": "Tool \"unlink_task_contact\" can modify the filesystem",
"category": "permissions",
"severity": "medium",
"confidence": "strong",
"description": "Tool \"unlink_task_contact\" can write, overwrite or delete files (keyword \"unlink\" in tool name). Verify it is scoped to a safe directory.",
"remediation": "Constrain file operations to an explicit, non-sensitive root; reject path traversal.",
"location": {
"kind": "tool",
"name": "unlink_task_contact"
},
"data": {
"tags": [
"file-write"
]
}
},
{
"ruleId": "MTC-CAP-002",
"title": "Tool \"unlink_task_note\" can modify the filesystem",
"category": "permissions",
"severity": "medium",
"confidence": "strong",
"description": "Tool \"unlink_task_note\" can write, overwrite or delete files (keyword \"unlink\" in tool name). Verify it is scoped to a safe directory.",
"remediation": "Constrain file operations to an explicit, non-sensitive root; reject path traversal.",
"location": {
"kind": "tool",
"name": "unlink_task_note"
},
"data": {
"tags": [
"file-write"
]
}
},
{
"ruleId": "MTC-CAP-002",
"title": "Tool \"unlink_notes\" can modify the filesystem",
"category": "permissions",
"severity": "medium",
"confidence": "strong",
"description": "Tool \"unlink_notes\" can write, overwrite or delete files (keyword \"unlink\" in tool name). Verify it is scoped to a safe directory.",
"remediation": "Constrain file operations to an explicit, non-sensitive root; reject path traversal.",
"location": {
"kind": "tool",
"name": "unlink_notes"
},
"data": {
"tags": [
"file-write"
]
}
},
{
"ruleId": "MTC-CAP-002",
"title": "Tool \"unlink_note_date\" can modify the filesystem",
"category": "permissions",
"severity": "medium",
"confidence": "strong",
"description": "Tool \"unlink_note_date\" can write, overwrite or delete files (keyword \"unlink\" in tool name). Verify it is scoped to a safe directory.",
"remediation": "Constrain file operations to an explicit, non-sensitive root; reject path traversal.",
"location": {
"kind": "tool",
"name": "unlink_note_date"
},
"data": {
"tags": [
"file-write"
]
}
},
{
"ruleId": "MTC-CAP-005",
"title": "Mutating tool \"unlink_tag\" declares no destructiveHint",
"category": "hygiene",
"severity": "low",
"confidence": "heuristic",
"description": "Tool \"unlink_tag\" can mutate/egress but declares no destructiveHint. Clients that don't default to spec-safe behavior may not prompt before running it.",
"remediation": "Declare accurate annotations, and gate destructive tools on user confirmation regardless.",
"location": {
"kind": "tool",
"name": "unlink_tag"
},
"data": {
"tags": [
"file-write"
]
}
},
{
"ruleId": "MTC-CAP-005",
"title": "Mutating tool \"unlink_note_contact\" declares no destructiveHint",
"category": "hygiene",
"severity": "low",
"confidence": "heuristic",
"description": "Tool \"unlink_note_contact\" can mutate/egress but declares no destructiveHint. Clients that don't default to spec-safe behavior may not prompt before running it.",
"remediation": "Declare accurate annotations, and gate destructive tools on user confirmation regardless.",
"location": {
"kind": "tool",
"name": "unlink_note_contact"
},
"data": {
"tags": [
"file-write"
]
}
},
{
"ruleId": "MTC-CAP-005",
"title": "Mutating tool \"unlink_entry_contact\" declares no destructiveHint",
"category": "hygiene",
"severity": "low",
"confidence": "heuristic",
"description": "Tool \"unlink_entry_contact\" can mutate/egress but declares no destructiveHint. Clients that don't default to spec-safe behavior may not prompt before running it.",
"remediation": "Declare accurate annotations, and gate destructive tools on user confirmation regardless.",
"location": {
"kind": "tool",
"name": "unlink_entry_contact"
},
"data": {
"tags": [
"file-write"
]
}
},
{
"ruleId": "MTC-CAP-005",
"title": "Mutating tool \"unlink_task_contact\" declares no destructiveHint",
"category": "hygiene",
"severity": "low",
"confidence": "heuristic",
"description": "Tool \"unlink_task_contact\" can mutate/egress but declares no destructiveHint. Clients that don't default to spec-safe behavior may not prompt before running it.",
"remediation": "Declare accurate annotations, and gate destructive tools on user confirmation regardless.",
"location": {
"kind": "tool",
"name": "unlink_task_contact"
},
"data": {
"tags": [
"file-write"
]
}
},
{
"ruleId": "MTC-CAP-005",
"title": "Mutating tool \"unlink_task_note\" declares no destructiveHint",
"category": "hygiene",
"severity": "low",
"confidence": "heuristic",
"description": "Tool \"unlink_task_note\" can mutate/egress but declares no destructiveHint. Clients that don't default to spec-safe behavior may not prompt before running it.",
"remediation": "Declare accurate annotations, and gate destructive tools on user confirmation regardless.",
"location": {
"kind": "tool",
"name": "unlink_task_note"
},
"data": {
"tags": [
"file-write"
]
}
},
{
"ruleId": "MTC-CAP-005",
"title": "Mutating tool \"unlink_notes\" declares no destructiveHint",
"category": "hygiene",
"severity": "low",
"confidence": "heuristic",
"description": "Tool \"unlink_notes\" can mutate/egress but declares no destructiveHint. Clients that don't default to spec-safe behavior may not prompt before running it.",
"remediation": "Declare accurate annotations, and gate destructive tools on user confirmation regardless.",
"location": {
"kind": "tool",
"name": "unlink_notes"
},
"data": {
"tags": [
"file-write"
]
}
},
{
"ruleId": "MTC-CAP-005",
"title": "Mutating tool \"unlink_note_date\" declares no destructiveHint",
"category": "hygiene",
"severity": "low",
"confidence": "heuristic",
"description": "Tool \"unlink_note_date\" can mutate/egress but declares no destructiveHint. Clients that don't default to spec-safe behavior may not prompt before running it.",
"remediation": "Declare accurate annotations, and gate destructive tools on user confirmation regardless.",
"location": {
"kind": "tool",
"name": "unlink_note_date"
},
"data": {
"tags": [
"file-write"
]
}
},
{
"ruleId": "MTC-SUP-011",
"title": "Package declares no source repository",
"category": "supply-chain",
"severity": "info",
"confidence": "strong",
"description": "\"keepsake-mcp\" declares no repository URL, so its published artifact cannot be compared against reviewable source.",
"remediation": "Prefer packages that link to public, reviewable source.",
"location": {
"kind": "package",
"name": "keepsake-mcp"
}
}
],
"toxicFlows": [],
"capabilities": [
{
"tool": "list_contacts",
"tags": [],
"reasons": {}
},
{
"tool": "get_contact",
"tags": [],
"reasons": {}
},
{
"tool": "create_contact",
"tags": [],
"reasons": {}
},
{
"tool": "update_contact",
"tags": [],
"reasons": {}
},
{
"tool": "delete_contact",
"tags": [],
"reasons": {}
},
{
"tool": "search_contacts",
"tags": [],
"reasons": {}
},
{
"tool": "list_companies",
"tags": [],
"reasons": {}
},
{
"tool": "get_company",
"tags": [],
"reasons": {}
},
{
"tool": "create_company",
"tags": [],
"reasons": {}
},
{
"tool": "update_company",
"tags": [],
"reasons": {}
},
{
"tool": "delete_company",
"tags": [],
"reasons": {}
},
{
"tool": "search_companies",
"tags": [],
"reasons": {}
},
{
"tool": "list_entries",
"tags": [],
"reasons": {}
},
{
"tool": "create_entry",
"tags": [],
"reasons": {}
},
{
"tool": "update_entry",
"tags": [],
"reasons": {}
},
{
"tool": "delete_entry",
"tags": [],
"reasons": {}
},
{
"tool": "list_tasks",
"tags": [],
"reasons": {}
},
{
"tool": "create_task",
"tags": [],
"reasons": {}
},
{
"tool": "update_task",
"tags": [],
"reasons": {}
},
{
"tool": "delete_task",
"tags": [],
"reasons": {}
},
{
"tool": "complete_task",
"tags": [],
"reasons": {}
},
{
"tool": "uncomplete_task",
"tags": [],
"reasons": {}
},
{
"tool": "snooze_task",
"tags": [],
"reasons": {}
},
{
"tool": "list_notes",
"tags": [],
"reasons": {}
},
{
"tool": "get_note",
"tags": [],
"reasons": {}
},
{
"tool": "create_note",
"tags": [],
"reasons": {}
},
{
"tool": "update_note",
"tags": [],
"reasons": {}
},
{
"tool": "delete_note",
"tags": [],
"reasons": {}
},
{
"tool": "pin_note",
"tags": [],
"reasons": {}
},
{
"tool": "archive_note",
"tags": [],
"reasons": {}
},
{
"tool": "restore_note",
"tags": [],
"reasons": {}
},
{
"tool": "list_days",
"tags": [],
"reasons": {}
},
{
"tool": "get_day",
"tags": [],
"reasons": {}
},
{
"tool": "update_day",
"tags": [],
"reasons": {}
},
{
"tool": "list_day_blocks",
"tags": [],
"reasons": {}
},
{
"tool": "create_day_block",
"tags": [],
"reasons": {}
},
{
"tool": "update_day_block",
"tags": [],
"reasons": {}
},
{
"tool": "delete_day_block",
"tags": [],
"reasons": {}
},
{
"tool": "list_tags",
"tags": [],
"reasons": {}
},
{
"tool": "get_tag",
"tags": [],
"reasons": {}
},
{
"tool": "get_tag_items",
"tags": [],
"reasons": {}
},
{
"tool": "create_tag",
"tags": [],
"reasons": {}
},
{
"tool": "update_tag",
"tags": [],
"reasons": {}
},
{
"tool": "delete_tag",
"tags": [],
"reasons": {}
},
{
"tool": "link_tag",
"tags": [],
"reasons": {}
},
{
"tool": "unlink_tag",
"tags": [
"file-write"
],
"reasons": {
"file-write": [
"keyword \"unlink\" in tool name"
]
}
},
{
"tool": "list_task_headers",
"tags": [],
"reasons": {}
},
{
"tool": "get_task_header",
"tags": [],
"reasons": {}
},
{
"tool": "create_task_header",
"tags": [],
"reasons": {}
},
{
"tool": "update_task_header",
"tags": [],
"reasons": {}
},
{
"tool": "delete_task_header",
"tags": [],
"reasons": {}
},
{
"tool": "link_note_contact",
"tags": [],
"reasons": {}
},
{
"tool": "unlink_note_contact",
"tags": [
"file-write"
],
"reasons": {
"file-write": [
"keyword \"unlink\" in tool name"
]
}
},
{
"tool": "link_entry_contact",
"tags": [],
"reasons": {}
},
{
"tool": "unlink_entry_contact",
"tags": [
"file-write"
],
"reasons": {
"file-write": [
"keyword \"unlink\" in tool name"
]
}
},
{
"tool": "link_task_contact",
"tags": [],
"reasons": {}
},
{
"tool": "unlink_task_contact",
"tags": [
"file-write"
],
"reasons": {
"file-write": [
"keyword \"unlink\" in tool name"
]
}
},
{
"tool": "link_task_note",
"tags": [],
"reasons": {}
},
{
"tool": "unlink_task_note",
"tags": [
"file-write"
],
"reasons": {
"file-write": [
"keyword \"unlink\" in tool name"
]
}
},
{
"tool": "link_notes",
"tags": [],
"reasons": {}
},
{
"tool": "unlink_notes",
"tags": [
"file-write"
],
"reasons": {
"file-write": [
"keyword \"unlink\" in tool name"
]
}
},
{
"tool": "link_note_date",
"tags": [],
"reasons": {}
},
{
"tool": "unlink_note_date",
"tags": [
"file-write"
],
"reasons": {
"file-write": [
"keyword \"unlink\" in tool name"
]
}
},
{
"tool": "get_contact_timeline",
"tags": [],
"reasons": {}
},
{
"tool": "get_tasks_today",
"tags": [],
"reasons": {}
},
{
"tool": "get_tasks_overdue",
"tags": [],
"reasons": {}
},
{
"tool": "get_changelog",
"tags": [],
"reasons": {}
},
{
"tool": "search",
"tags": [],
"reasons": {}
},
{
"tool": "list_note_comments",
"tags": [],
"reasons": {}
},
{
"tool": "create_note_comment",
"tags": [],
"reasons": {}
},
{
"tool": "update_note_comment",
"tags": [],
"reasons": {}
},
{
"tool": "delete_note_comment",
"tags": [],
"reasons": {}
},
{
"tool": "get_agent_instructions",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "80ca3f14c2f4428ad6828685d0005280c8e9ba543d815d935f31282352acea8d",
"stats": {
"tools": 73,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 0,
"medium": 7,
"low": 7,
"info": 1
}
}
}