Reversecore — 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": "reversecore-mcp",
"source": {
"kind": "package",
"origin": "reversecore-mcp"
},
"server": {
"name": "reversecore-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 (43 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-001",
"title": "Tool \"Radare2_run_command\" exposes command/code execution",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "Tool \"Radare2_run_command\" appears to run shell commands or evaluate code (keyword \"run_command\" in tool name). Arbitrary execution driven by model input is one of the most dangerous MCP capabilities; combined with any untrusted input it becomes RCE.",
"remediation": "Sandbox execution, allowlist commands/arguments, and never pass model output to a shell unescaped.",
"location": {
"kind": "tool",
"name": "Radare2_run_command"
},
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"tags": [
"code-exec"
]
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in server code (reversecore_mcp/tools/forensics/disk.py)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`reversecore_mcp/tools/forensics/disk.py:50`): 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": "reversecore_mcp/tools/forensics/disk.py"
},
"evidence": "f run(): return subprocess.run( [resolved_exe] + cmd[1:], capture_output=True, text=True, timeout=ti",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "reversecore_mcp/tools/forensics/disk.py",
"line": 50,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in server code (reversecore_mcp/tools/forensics/memory.py)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`reversecore_mcp/tools/forensics/memory.py:65`): 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": "reversecore_mcp/tools/forensics/memory.py"
},
"evidence": "in PATH\") result = subprocess.run( # nosec B603 [resolved_exe] + cmd[1:], capture_output=True,",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "reversecore_mcp/tools/forensics/memory.py",
"line": 65,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in server code (reversecore_mcp/tools/malware/poc_generator.py)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`reversecore_mcp/tools/malware/poc_generator.py:172`): 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": "reversecore_mcp/tools/malware/poc_generator.py"
},
"evidence": "\"file\" result = subprocess.run( # nosec B603 [file_cmd, str(binary_path)], capture_outp",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "reversecore_mcp/tools/malware/poc_generator.py",
"line": 172,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in server code (reversecore_mcp/tools/malware/rop_builder.py)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`reversecore_mcp/tools/malware/rop_builder.py:49`): 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": "reversecore_mcp/tools/malware/rop_builder.py"
},
"evidence": "try: result = subprocess.run( # nosec B603 [gadget_bin, \"--binary\", str(binary_path), \"--rop\", \"-",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "reversecore_mcp/tools/malware/rop_builder.py",
"line": 49,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in server code (reversecore_mcp/tools/radare2/radare2_mcp_tools.py)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`reversecore_mcp/tools/radare2/radare2_mcp_tools.py:13`): 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": "reversecore_mcp/tools/radare2/radare2_mcp_tools.py"
},
"evidence": "'s security module - No shell=True, no f-strings with unsanitized input in commands \"\"\" from __future__ import annotati",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "reversecore_mcp/tools/radare2/radare2_mcp_tools.py",
"line": 13,
"nonRuntime": false
}
},
{
"ruleId": "MTC-CAP-005",
"title": "Mutating tool \"Radare2_run_command\" declares no destructiveHint",
"category": "hygiene",
"severity": "low",
"confidence": "heuristic",
"description": "Tool \"Radare2_run_command\" 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": "Radare2_run_command"
},
"data": {
"tags": [
"code-exec"
]
}
},
{
"ruleId": "MTC-SUP-012",
"title": "Package has no license",
"category": "hygiene",
"severity": "info",
"confidence": "strong",
"description": "\"reversecore-mcp\" has no declared license. This is a legal/reuse concern, not a security finding.",
"location": {
"kind": "package",
"name": "reversecore-mcp"
}
}
],
"toxicFlows": [],
"capabilities": [
{
"tool": "create_memory_session",
"tags": [],
"reasons": {}
},
{
"tool": "save_memory_item",
"tags": [],
"reasons": {}
},
{
"tool": "recall_memory_item",
"tags": [],
"reasons": {}
},
{
"tool": "list_memory_sessions",
"tags": [],
"reasons": {}
},
{
"tool": "get_memory_session_detail",
"tags": [],
"reasons": {}
},
{
"tool": "resume_memory_session",
"tags": [],
"reasons": {}
},
{
"tool": "complete_memory_session",
"tags": [],
"reasons": {}
},
{
"tool": "save_pattern",
"tags": [],
"reasons": {}
},
{
"tool": "find_similar_patterns",
"tags": [],
"reasons": {}
},
{
"tool": "get_relevant_context",
"tags": [],
"reasons": {}
},
{
"tool": "update_memory_session_time",
"tags": [],
"reasons": {}
},
{
"tool": "get_server_health",
"tags": [],
"reasons": {}
},
{
"tool": "get_tool_metrics",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_open_file",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_close_file",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_analyze",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_run_command",
"tags": [
"code-exec"
],
"reasons": {
"code-exec": [
"keyword \"run_command\" in tool name"
]
}
},
{
"tool": "Radare2_calculate",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_list_functions",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_list_functions_tree",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_show_function_details",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_get_current_address",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_get_function_prototype",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_set_function_prototype",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_show_headers",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_list_sections",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_list_imports",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_list_symbols",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_list_entrypoints",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_list_libraries",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_list_strings",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_list_all_strings",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_list_classes",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_list_methods",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_disassemble",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_disassemble_function",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_decompile_function",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_list_decompilers",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_use_decompiler",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_xrefs_to",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_rename_function",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_rename_flag",
"tags": [],
"reasons": {}
},
{
"tool": "Radare2_set_comment",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "b3ed3bb081934a02d619fc962c8509cf34b72f5ab1b4d00dd37589584e813291",
"stats": {
"tools": 43,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 6,
"medium": 0,
"low": 1,
"info": 1
}
}
}