Ember Cli — 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": "ember-cli-mcp",
"source": {
"kind": "package",
"origin": "ember-cli-mcp"
},
"server": {
"name": "ember-cli-mcp"
}
},
"grade": "A",
"score": {
"score": 94,
"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": "source",
"label": "publisher verification (provenance) — cryptographic build provenance ties the artifact to its source",
"appliedPenalty": 0
},
{
"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": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (116 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 \"ember_run_command\" exposes command/code execution",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "Tool \"ember_run_command\" appears to run shell commands or evaluate code (keyword \"run_command\" in tool name, parameter \"command\"). 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": "ember_run_command"
},
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"tags": [
"code-exec"
]
}
},
{
"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:5`): 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": "t { exec, spawn } from \"child_process\"; import { promisify } from \"util\"; import { readdir, stat, readFile } from \"fs/pr",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "dist/index.js",
"line": 5,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in server code (src/index.ts)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`src/index.ts:9`): 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/index.ts"
},
"evidence": "t { exec, spawn } from \"child_process\"; import { promisify } from \"util\"; import { readdir, stat, readFile } from \"fs/pr",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "src/index.ts",
"line": 9,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in server code (test-runner.js)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`test-runner.js:4`): 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": "test-runner.js"
},
"evidence": "st { spawn } = require('child_process'); const path = require('path'); async function sleep(ms) { return new Promise(",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "test-runner.js",
"line": 4,
"nonRuntime": false
}
},
{
"ruleId": "MTC-CAP-006",
"title": "Unconstrained command parameter \"command\" on \"ember_run_command\"",
"category": "permissions",
"severity": "medium",
"confidence": "heuristic",
"description": "Tool \"ember_run_command\" takes a command-shaped parameter \"command\" with no enum/pattern constraint. Free-form, model- or attacker-controlled arguments reaching a shell is the command-injection precondition.",
"remediation": "Constrain the parameter (enum/pattern), or build the command from a fixed template with escaped args.",
"location": {
"kind": "tool",
"name": "ember_run_command",
"field": "inputSchema.properties.command"
},
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"param": "command"
}
},
{
"ruleId": "MTC-CAP-005",
"title": "Mutating tool \"ember_run_command\" declares no destructiveHint",
"category": "hygiene",
"severity": "low",
"confidence": "heuristic",
"description": "Tool \"ember_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": "ember_run_command"
},
"data": {
"tags": [
"code-exec"
]
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in packaging/dev tooling (test/test-mcp.js)",
"category": "permissions",
"severity": "low",
"confidence": "heuristic",
"description": "In a packaging/dev/install script (shipped, but not the server runtime) (`test/test-mcp.js:5`): 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": "test/test-mcp.js"
},
"evidence": "import { spawn } from \"child_process\"; async function testMcpServer() { console.log(\"🧪 Testing Ember CLI MCP Server",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "test/test-mcp.js",
"line": 5,
"nonRuntime": true
}
}
],
"toxicFlows": [],
"capabilities": [
{
"tool": "new",
"tags": [],
"reasons": {}
},
{
"tool": "app-name",
"tags": [],
"reasons": {}
},
{
"tool": "dry-run",
"tags": [],
"reasons": {}
},
{
"tool": "verbose",
"tags": [],
"reasons": {}
},
{
"tool": "blueprint",
"tags": [],
"reasons": {}
},
{
"tool": "skip-npm",
"tags": [],
"reasons": {}
},
{
"tool": "skip-git",
"tags": [],
"reasons": {}
},
{
"tool": "welcome",
"tags": [],
"reasons": {}
},
{
"tool": "package-manager",
"tags": [],
"reasons": {}
},
{
"tool": "directory",
"tags": [],
"reasons": {}
},
{
"tool": "lang",
"tags": [],
"reasons": {}
},
{
"tool": "lint-fix",
"tags": [],
"reasons": {}
},
{
"tool": "embroider",
"tags": [],
"reasons": {}
},
{
"tool": "ci-provider",
"tags": [],
"reasons": {}
},
{
"tool": "ember-data",
"tags": [],
"reasons": {}
},
{
"tool": "interactive",
"tags": [],
"reasons": {}
},
{
"tool": "typescript",
"tags": [],
"reasons": {}
},
{
"tool": "strict",
"tags": [],
"reasons": {}
},
{
"tool": "addon",
"tags": [],
"reasons": {}
},
{
"tool": "addon-name",
"tags": [],
"reasons": {}
},
{
"tool": "init",
"tags": [],
"reasons": {}
},
{
"tool": "glob-pattern",
"tags": [],
"reasons": {}
},
{
"tool": "name",
"tags": [],
"reasons": {}
},
{
"tool": "serve",
"tags": [],
"reasons": {}
},
{
"tool": "port",
"tags": [],
"reasons": {}
},
{
"tool": "host",
"tags": [],
"reasons": {}
},
{
"tool": "proxy",
"tags": [],
"reasons": {}
},
{
"tool": "proxy-in-timeout",
"tags": [],
"reasons": {}
},
{
"tool": "proxy-out-timeout",
"tags": [],
"reasons": {}
},
{
"tool": "secure-proxy",
"tags": [],
"reasons": {}
},
{
"tool": "transparent-proxy",
"tags": [],
"reasons": {}
},
{
"tool": "watcher",
"tags": [],
"reasons": {}
},
{
"tool": "live-reload",
"tags": [],
"reasons": {}
},
{
"tool": "live-reload-host",
"tags": [],
"reasons": {}
},
{
"tool": "live-reload-base-url",
"tags": [],
"reasons": {}
},
{
"tool": "live-reload-port",
"tags": [],
"reasons": {}
},
{
"tool": "live-reload-prefix",
"tags": [],
"reasons": {}
},
{
"tool": "environment",
"tags": [],
"reasons": {}
},
{
"tool": "output-path",
"tags": [],
"reasons": {}
},
{
"tool": "ssl",
"tags": [],
"reasons": {}
},
{
"tool": "ssl-key",
"tags": [],
"reasons": {}
},
{
"tool": "ssl-cert",
"tags": [],
"reasons": {}
},
{
"tool": "path",
"tags": [],
"reasons": {}
},
{
"tool": "build",
"tags": [],
"reasons": {}
},
{
"tool": "watch",
"tags": [],
"reasons": {}
},
{
"tool": "suppress-sizes",
"tags": [],
"reasons": {}
},
{
"tool": "test",
"tags": [],
"reasons": {}
},
{
"tool": "config-file",
"tags": [],
"reasons": {}
},
{
"tool": "server",
"tags": [],
"reasons": {}
},
{
"tool": "test-port",
"tags": [],
"reasons": {}
},
{
"tool": "filter",
"tags": [],
"reasons": {}
},
{
"tool": "module",
"tags": [],
"reasons": {}
},
{
"tool": "launch",
"tags": [],
"reasons": {}
},
{
"tool": "reporter",
"tags": [],
"reasons": {}
},
{
"tool": "silent",
"tags": [],
"reasons": {}
},
{
"tool": "testem-debug",
"tags": [],
"reasons": {}
},
{
"tool": "test-page",
"tags": [],
"reasons": {}
},
{
"tool": "query",
"tags": [],
"reasons": {}
},
{
"tool": "generate",
"tags": [],
"reasons": {}
},
{
"tool": "pod",
"tags": [],
"reasons": {}
},
{
"tool": "classic",
"tags": [],
"reasons": {}
},
{
"tool": "dummy",
"tags": [],
"reasons": {}
},
{
"tool": "in-repo-addon",
"tags": [],
"reasons": {}
},
{
"tool": "in",
"tags": [],
"reasons": {}
},
{
"tool": "destroy",
"tags": [],
"reasons": {}
},
{
"tool": "install",
"tags": [],
"reasons": {}
},
{
"tool": "save",
"tags": [],
"reasons": {}
},
{
"tool": "save-dev",
"tags": [],
"reasons": {}
},
{
"tool": "save-exact",
"tags": [],
"reasons": {}
},
{
"tool": "asset-sizes",
"tags": [],
"reasons": {}
},
{
"tool": "json",
"tags": [],
"reasons": {}
},
{
"tool": "version",
"tags": [],
"reasons": {}
},
{
"tool": "help",
"tags": [],
"reasons": {}
},
{
"tool": "command-name",
"tags": [],
"reasons": {}
},
{
"tool": "component",
"tags": [],
"reasons": {}
},
{
"tool": "component-class",
"tags": [],
"reasons": {}
},
{
"tool": "component-test",
"tags": [],
"reasons": {}
},
{
"tool": "route",
"tags": [],
"reasons": {}
},
{
"tool": "route-test",
"tags": [],
"reasons": {}
},
{
"tool": "controller",
"tags": [],
"reasons": {}
},
{
"tool": "controller-test",
"tags": [],
"reasons": {}
},
{
"tool": "helper",
"tags": [],
"reasons": {}
},
{
"tool": "helper-test",
"tags": [],
"reasons": {}
},
{
"tool": "service",
"tags": [],
"reasons": {}
},
{
"tool": "service-test",
"tags": [],
"reasons": {}
},
{
"tool": "template",
"tags": [],
"reasons": {}
},
{
"tool": "util",
"tags": [],
"reasons": {}
},
{
"tool": "util-test",
"tags": [],
"reasons": {}
},
{
"tool": "initializer",
"tags": [],
"reasons": {}
},
{
"tool": "initializer-test",
"tags": [],
"reasons": {}
},
{
"tool": "instance-initializer",
"tags": [],
"reasons": {}
},
{
"tool": "instance-initializer-test",
"tags": [],
"reasons": {}
},
{
"tool": "mixin",
"tags": [],
"reasons": {}
},
{
"tool": "mixin-test",
"tags": [],
"reasons": {}
},
{
"tool": "acceptance-test",
"tags": [],
"reasons": {}
},
{
"tool": "model",
"tags": [],
"reasons": {}
},
{
"tool": "model-test",
"tags": [],
"reasons": {}
},
{
"tool": "adapter",
"tags": [],
"reasons": {}
},
{
"tool": "adapter-test",
"tags": [],
"reasons": {}
},
{
"tool": "serializer",
"tags": [],
"reasons": {}
},
{
"tool": "serializer-test",
"tags": [],
"reasons": {}
},
{
"tool": "transform",
"tags": [],
"reasons": {}
},
{
"tool": "transform-test",
"tags": [],
"reasons": {}
},
{
"tool": "addon-import",
"tags": [],
"reasons": {}
},
{
"tool": "app",
"tags": [],
"reasons": {}
},
{
"tool": "http-mock",
"tags": [],
"reasons": {}
},
{
"tool": "http-proxy",
"tags": [],
"reasons": {}
},
{
"tool": "lib",
"tags": [],
"reasons": {}
},
{
"tool": "ember_run_command",
"tags": [
"code-exec"
],
"reasons": {
"code-exec": [
"keyword \"run_command\" in tool name",
"parameter \"command\""
]
}
},
{
"tool": "ember_project_info",
"tags": [],
"reasons": {}
},
{
"tool": "ember_list_addons",
"tags": [],
"reasons": {}
},
{
"tool": "ember_list_blueprints",
"tags": [],
"reasons": {}
},
{
"tool": "ember_stop_server",
"tags": [],
"reasons": {}
},
{
"tool": "ember_build_test",
"tags": [],
"reasons": {}
},
{
"tool": "ember_test_server_run",
"tags": [],
"reasons": {}
},
{
"tool": "ember_test_server_start",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "97b55cda7a1da92ab111ec845c36e01ddd94f8ef84e56dca514bd7506d163093",
"stats": {
"tools": 116,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 4,
"medium": 1,
"low": 2,
"info": 0
}
}
}