Fluent — 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": "@modesty/fluent-mcp",
"source": {
"kind": "package",
"origin": "@modesty/fluent-mcp"
},
"server": {
"name": "@modesty/fluent-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-1.13"
},
"capability": {
"level": "high",
"reasons": [
"ingests untrusted external content (a prompt-injection entry point)",
"can execute shell commands or code"
],
"tags": [
"untrusted-input",
"code-exec"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (65 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 (dist/index.js)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`dist/index.js:2`): 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": "dist/index.js"
},
"evidence": "rt{spawn as c}from\"node:child_process\";import u from\"node:fs/promises\";function l(){if(import.meta?.url){const e=n(impor",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "dist/index.js",
"line": 2,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in server code (dist/tools/cliCommandTools.js)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`dist/tools/cliCommandTools.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": "dist/tools/cliCommandTools.js"
},
"evidence": "rt { spawn } from 'node:child_process'; import { getProjectRootPath } from '../config.js'; import { VersionCommand, Help",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "dist/tools/cliCommandTools.js",
"line": 1,
"nonRuntime": false
}
}
],
"toxicFlows": [],
"capabilities": [
{
"tool": "workingDirectory",
"tags": [],
"reasons": {}
},
{
"tool": "flag",
"tags": [],
"reasons": {}
},
{
"tool": "command",
"tags": [],
"reasons": {}
},
{
"tool": "add",
"tags": [],
"reasons": {}
},
{
"tool": "type",
"tags": [],
"reasons": {}
},
{
"tool": "alias",
"tags": [],
"reasons": {}
},
{
"tool": "list",
"tags": [],
"reasons": {}
},
{
"tool": "delete",
"tags": [],
"reasons": {}
},
{
"tool": "use",
"tags": [],
"reasons": {}
},
{
"tool": "debug",
"tags": [],
"reasons": {}
},
{
"tool": "help",
"tags": [],
"reasons": {}
},
{
"tool": "version",
"tags": [],
"reasons": {}
},
{
"tool": "intent",
"tags": [],
"reasons": {}
},
{
"tool": "from",
"tags": [],
"reasons": {}
},
{
"tool": "appName",
"tags": [],
"reasons": {}
},
{
"tool": "packageName",
"tags": [],
"reasons": {}
},
{
"tool": "scopeName",
"tags": [],
"reasons": {}
},
{
"tool": "template",
"tags": [],
"reasons": {}
},
{
"tool": "auth",
"tags": [],
"reasons": {}
},
{
"tool": "skipFlowActivation",
"tags": [],
"reasons": {}
},
{
"tool": "directory",
"tags": [],
"reasons": {}
},
{
"tool": "table",
"tags": [],
"reasons": {}
},
{
"tool": "id",
"tags": [],
"reasons": {}
},
{
"tool": "source",
"tags": [],
"reasons": {}
},
{
"tool": "incremental",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"download\""
]
}
},
{
"tool": "topic",
"tags": [],
"reasons": {}
},
{
"tool": "peek",
"tags": [],
"reasons": {}
},
{
"tool": "format",
"tags": [],
"reasons": {}
},
{
"tool": "query",
"tags": [],
"reasons": {}
},
{
"tool": "fields",
"tags": [],
"reasons": {}
},
{
"tool": "limit",
"tags": [],
"reasons": {}
},
{
"tool": "offset",
"tags": [],
"reasons": {}
},
{
"tool": "displayValue",
"tags": [],
"reasons": {}
},
{
"tool": "view",
"tags": [],
"reasons": {}
},
{
"tool": "queryCategory",
"tags": [],
"reasons": {}
},
{
"tool": "excludeReferenceLink",
"tags": [],
"reasons": {}
},
{
"tool": "noCount",
"tags": [],
"reasons": {}
},
{
"tool": "queryNoDomain",
"tags": [],
"reasons": {}
},
{
"tool": "timeout",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "select",
"tags": [],
"reasons": {}
},
{
"tool": "action",
"tags": [],
"reasons": {}
},
{
"tool": "scope",
"tags": [],
"reasons": {}
},
{
"tool": "appSysId",
"tags": [],
"reasons": {}
},
{
"tool": "appVersion",
"tags": [],
"reasons": {}
},
{
"tool": "baseAppVersion",
"tags": [],
"reasons": {}
},
{
"tool": "autoUpgradeBaseApp",
"tags": [],
"reasons": {}
},
{
"tool": "devNotes",
"tags": [],
"reasons": {}
},
{
"tool": "wait",
"tags": [],
"reasons": {}
},
{
"tool": "pollTimeout",
"tags": [],
"reasons": {}
},
{
"tool": "output",
"tags": [],
"reasons": {}
},
{
"tool": "target",
"tags": [],
"reasons": {}
},
{
"tool": "testSuiteSysId",
"tags": [],
"reasons": {}
},
{
"tool": "testSuiteName",
"tags": [],
"reasons": {}
},
{
"tool": "testSysId",
"tags": [],
"reasons": {}
},
{
"tool": "testName",
"tags": [],
"reasons": {}
},
{
"tool": "progressId",
"tags": [],
"reasons": {}
},
{
"tool": "resultId",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "browserName",
"tags": [],
"reasons": {}
},
{
"tool": "browserVersion",
"tags": [],
"reasons": {}
},
{
"tool": "osName",
"tags": [],
"reasons": {}
},
{
"tool": "osVersion",
"tags": [],
"reasons": {}
},
{
"tool": "runInCloud",
"tags": [],
"reasons": {}
},
{
"tool": "isPerformanceRun",
"tags": [],
"reasons": {}
},
{
"tool": "captureNodeLogs",
"tags": [],
"reasons": {}
},
{
"tool": "metadataType",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "9770814bb66f8a369b0bea35b2eafedd5e21d57050ca707e06303862c7b5d97f",
"stats": {
"tools": 65,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 2,
"medium": 0,
"low": 0,
"info": 0
}
}
}