Gramps — the complete, unedited output of the deterministic mcptrustchecker engine v1.8.0, scanned . Every finding, capability tag and score component below is exactly what the engine produced — no AI, no post-processing.
{
"tool": {
"name": "mcptrustchecker",
"version": "1.8.0",
"methodologyVersion": "mcptrustchecker-1.8"
},
"target": {
"id": "gramps-mcp",
"source": {
"kind": "package",
"origin": "gramps-mcp"
},
"server": {
"name": "gramps-mcp"
}
},
"grade": "B",
"score": {
"score": 87,
"threatScore": 98,
"grade": "B",
"band": "B",
"categorySubtotals": {
"injection": 0,
"exfiltration": 0,
"permissions": 0,
"supply-chain": 2.1,
"network": 0,
"hygiene": 0
},
"vector": [
{
"kind": "threat",
"ruleId": "MTC-SUP-011",
"category": "supply-chain",
"severity": "low",
"confidence": "strong",
"rawWeight": 3,
"confidenceMult": 0.7,
"diminishingFactor": 1,
"appliedPenalty": 2.1
},
{
"kind": "client",
"term": "capability-exposure",
"level": "high",
"label": "capability blast radius (high) — client exposure if the model is manipulated",
"appliedPenalty": 6
},
{
"kind": "client",
"term": "verification-discount",
"level": "none",
"label": "publisher verification (unlocatable) — no provenance and no public repository to inspect",
"appliedPenalty": 5
},
{
"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-1.8"
},
"capability": {
"level": "high",
"reasons": [
"can execute shell commands or code"
],
"tags": [
"code-exec"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (35 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-SRC-002",
"title": "Shell/command execution in server code (scripts/generate_from_openapi.py)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`scripts/generate_from_openapi.py:420`): Spawning a shell/process is command-execution capability; with unsanitized tool input it is command injection / RCE. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.",
"remediation": "Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.",
"location": {
"kind": "server",
"name": "scripts/generate_from_openapi.py"
},
"evidence": "subprocess.run(",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "scripts/generate_from_openapi.py",
"line": 420
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in server code (scripts/security_sanitizer.py)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`scripts/security_sanitizer.py:136`): Spawning a shell/process is command-execution capability; with unsanitized tool input it is command injection / RCE. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.",
"remediation": "Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.",
"location": {
"kind": "server",
"name": "scripts/security_sanitizer.py"
},
"evidence": "subprocess.run(",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "scripts/security_sanitizer.py",
"line": 136
}
},
{
"ruleId": "MTC-SUP-011",
"title": "Package has no source repository",
"category": "supply-chain",
"severity": "low",
"confidence": "strong",
"description": "\"gramps-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": "gramps-mcp"
}
}
],
"toxicFlows": [],
"capabilities": [
{
"tool": "gramps_bookmarks",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_chat",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_citations",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_config",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_dna",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_events",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_exporters",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_facts",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_families",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_filters",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_holidays",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_importers",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_living",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_media",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_metadata",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_name_formats",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_name_groups",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_notes",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_oidc",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_people",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_places",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_relations",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_reports",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_repositories",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_search",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_sources",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_tags",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_tasks",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_timeline",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_token",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_transactions",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_translations",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_trees",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_types",
"tags": [],
"reasons": {}
},
{
"tool": "gramps_users",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "be662a994cfa8469f3ef373905cdb574cf2ff45d6d09e883298b46836b21c8e2",
"stats": {
"tools": 35,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 2,
"medium": 0,
"low": 1,
"info": 0
}
}
}