Browser Gateway — 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": "browser-gateway",
"source": {
"kind": "package",
"origin": "browser-gateway"
},
"server": {
"name": "browser-gateway"
}
},
"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-1.13"
},
"capability": {
"level": "high",
"reasons": [
"can execute shell commands or code"
],
"tags": [
"code-exec"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": false,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"No tools were enumerated, so prompt-injection, capability and toxic-flow analysis had no tool surface to inspect. To grade a package’s real runtime tools, scan the running server: --command \"npx -y <package>\"."
]
},
"findings": [
{
"ruleId": "MTC-SRC-001",
"title": "Dynamic code execution in server code (web/dist/_next/static/chunks/2cnqfx09p1nbm.js)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`web/dist/_next/static/chunks/2cnqfx09p1nbm.js:1`): Evaluating strings as code is the most direct RCE primitive; if any tool input reaches it, the server executes attacker-chosen code. 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": "web/dist/_next/static/chunks/2cnqfx09p1nbm.js"
},
"evidence": "dowith3?|drop|dropwhile|eval(?:cmd)?|exactp|filter|fix|fixity|flip|float(?:_matrix|_pointer)|floor|fold[lr]1?|frac|free|",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-001",
"file": "web/dist/_next/static/chunks/2cnqfx09p1nbm.js",
"line": 1,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in server code (web/dist/_next/static/chunks/0i-7-gz4fh6jl.js)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`web/dist/_next/static/chunks/0i-7-gz4fh6jl.js:138`): 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": "web/dist/_next/static/chunks/0i-7-gz4fh6jl.js"
},
"evidence": "n??{}}i||(this.#t=this)}exec(t){if(!this.#t){let{lazyCompile:t,...r}=this.rawOptions;this.#t=new e(this.#r,this.flags,r)",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "web/dist/_next/static/chunks/0i-7-gz4fh6jl.js",
"line": 138,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in server code (web/dist/_next/static/chunks/1eiiysbic6mjx.js)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`web/dist/_next/static/chunks/1eiiysbic6mjx.js:1`): 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": "web/dist/_next/static/chunks/1eiiysbic6mjx.js"
},
"evidence": "mns|prepare|error(msg)?|exec(ute)?|field_(scale|num|name|type|precision|len)|foreignkeys|free_result|fetch_(into|object|",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "web/dist/_next/static/chunks/1eiiysbic6mjx.js",
"line": 1,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in server code (web/dist/_next/static/chunks/1voi0_uwfenrd.js)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`web/dist/_next/static/chunks/1voi0_uwfenrd.js:1`): 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": "web/dist/_next/static/chunks/1voi0_uwfenrd.js"
},
"evidence": "e.cobol\"},{\"begin\":\"(?i:exec(?:\\\\\\\\s+sqlims|\\\\\\\\s+sql))\",\"contentName\":\"meta.embedded.block.openesql\",\"end\":\"(?i:end-exe",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "web/dist/_next/static/chunks/1voi0_uwfenrd.js",
"line": 1,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in server code (web/dist/_next/static/chunks/2_u4o4uxy6os7.js)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`web/dist/_next/static/chunks/2_u4o4uxy6os7.js:1`): 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": "web/dist/_next/static/chunks/2_u4o4uxy6os7.js"
},
"evidence": "mns|prepare|error(msg)?|exec(ute)?|field_(scale|num|name|type|precision|len)|foreignkeys|free_result|fetch_(into|object|",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "web/dist/_next/static/chunks/2_u4o4uxy6os7.js",
"line": 1,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in server code (web/dist/_next/static/chunks/2cnqfx09p1nbm.js)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`web/dist/_next/static/chunks/2cnqfx09p1nbm.js:1`): 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": "web/dist/_next/static/chunks/2cnqfx09p1nbm.js"
},
"evidence": "ntryTitle|eval(?:uate)?|exec(?:ute)?|exit|file(?:name)?|fill(?:attrs)?|flist|fnc|function(?:list)?|global|goto|group(?:b",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "web/dist/_next/static/chunks/2cnqfx09p1nbm.js",
"line": 1,
"nonRuntime": false
}
}
],
"toxicFlows": [],
"capabilities": [],
"surfaceDigest": "fda2a3c2991e2528a6d0068c85d43394c75e92ccd6671d45c06c145f5aa8f12e",
"stats": {
"tools": 0,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 6,
"medium": 0,
"low": 0,
"info": 0
}
}
}