Network — 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": "network-mcp",
"source": {
"kind": "package",
"origin": "network-mcp"
},
"server": {
"name": "network-mcp"
}
},
"grade": "A",
"score": {
"score": 93,
"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": "high",
"label": "capability blast radius (high) — client exposure if the model is manipulated",
"appliedPenalty": 6
},
{
"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": "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 (34 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 (src/network_mcp/tools/connectivity.py)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`src/network_mcp/tools/connectivity.py:132`): 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": "src/network_mcp/tools/connectivity.py"
},
"evidence": "try: result = subprocess.run( cmd, capture_output=True, text=True,",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "src/network_mcp/tools/connectivity.py",
"line": 132,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in server code (src/network_mcp/tools/local.py)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`src/network_mcp/tools/local.py:42`): 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": "src/network_mcp/tools/local.py"
},
"evidence": "try: result = subprocess.run( cmd, capture_output=True, text=True,",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "src/network_mcp/tools/local.py",
"line": 42,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in packaging/dev tooling (examples/incident-demo/speak_waveform.py)",
"category": "permissions",
"severity": "low",
"confidence": "heuristic",
"description": "In a packaging/dev/install script (shipped, but not the server runtime) (`examples/incident-demo/speak_waveform.py:80`): 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": "examples/incident-demo/speak_waveform.py"
},
"evidence": "t) result = subprocess.run( [sys.executable, __file__, \"--play\", audio_path],",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "examples/incident-demo/speak_waveform.py",
"line": 80,
"nonRuntime": true
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in packaging/dev tooling (tests/test_config.py)",
"category": "permissions",
"severity": "low",
"confidence": "heuristic",
"description": "In a packaging/dev/install script (shipped, but not the server runtime) (`tests/test_config.py:134`): 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": "tests/test_config.py"
},
"evidence": "mport os\", \"exec('print(1)')\", \"eval('1+1')\", \"__import__('os')\", \"os.sy",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "tests/test_config.py",
"line": 134,
"nonRuntime": true
}
}
],
"toxicFlows": [],
"capabilities": [
{
"tool": "cidr_info",
"tags": [],
"reasons": {}
},
{
"tool": "ip_in_subnet",
"tags": [],
"reasons": {}
},
{
"tool": "subnet_split",
"tags": [],
"reasons": {}
},
{
"tool": "cidr_summarize",
"tags": [],
"reasons": {}
},
{
"tool": "check_overlaps",
"tags": [],
"reasons": {}
},
{
"tool": "validate_vlan_map",
"tags": [],
"reasons": {}
},
{
"tool": "find_vlan_for_ip",
"tags": [],
"reasons": {}
},
{
"tool": "ip_in_vlan",
"tags": [],
"reasons": {}
},
{
"tool": "plan_subnets",
"tags": [],
"reasons": {}
},
{
"tool": "capabilities",
"tags": [],
"reasons": {}
},
{
"tool": "rdap_lookup",
"tags": [],
"reasons": {}
},
{
"tool": "asn_lookup",
"tags": [],
"reasons": {}
},
{
"tool": "ping",
"tags": [],
"reasons": {}
},
{
"tool": "traceroute",
"tags": [],
"reasons": {}
},
{
"tool": "dns_lookup",
"tags": [],
"reasons": {}
},
{
"tool": "port_check",
"tags": [],
"reasons": {}
},
{
"tool": "mtr",
"tags": [],
"reasons": {}
},
{
"tool": "batch_ping",
"tags": [],
"reasons": {}
},
{
"tool": "batch_port_check",
"tags": [],
"reasons": {}
},
{
"tool": "batch_dns_lookup",
"tags": [],
"reasons": {}
},
{
"tool": "get_interfaces",
"tags": [],
"reasons": {}
},
{
"tool": "get_routes",
"tags": [],
"reasons": {}
},
{
"tool": "get_dns_config",
"tags": [],
"reasons": {}
},
{
"tool": "get_arp_table",
"tags": [],
"reasons": {}
},
{
"tool": "get_connections",
"tags": [],
"reasons": {}
},
{
"tool": "get_public_ip",
"tags": [],
"reasons": {}
},
{
"tool": "pcap_summary",
"tags": [],
"reasons": {}
},
{
"tool": "get_conversations",
"tags": [],
"reasons": {}
},
{
"tool": "find_tcp_issues",
"tags": [],
"reasons": {}
},
{
"tool": "analyze_dns_traffic",
"tags": [],
"reasons": {}
},
{
"tool": "filter_packets",
"tags": [],
"reasons": {}
},
{
"tool": "get_protocol_hierarchy",
"tags": [],
"reasons": {}
},
{
"tool": "analyze_throughput",
"tags": [],
"reasons": {}
},
{
"tool": "custom_scapy_filter",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "2b90c4cd5f7ea388b0063d4d75a27755847f3a4a094feff8374d7fc6c47ddd9b",
"stats": {
"tools": 34,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 2,
"medium": 0,
"low": 2,
"info": 0
}
}
}