Ice Puzzle — 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": "ice-puzzle-mcp",
"source": {
"kind": "package",
"origin": "ice-puzzle-mcp"
},
"server": {
"name": "ice-puzzle-mcp"
}
},
"grade": "B",
"score": {
"score": 86,
"threatScore": 94,
"grade": "B",
"band": "B",
"categorySubtotals": {
"injection": 6.3,
"exfiltration": 0,
"permissions": 0,
"supply-chain": 0,
"network": 0,
"hygiene": 0
},
"vector": [
{
"kind": "threat",
"ruleId": "MTC-SRC-009",
"category": "injection",
"severity": "medium",
"confidence": "strong",
"rawWeight": 9,
"confidenceMult": 0.7,
"diminishingFactor": 1,
"appliedPenalty": 6.3
},
{
"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": "none",
"label": "publisher verification (unlinked) — no provenance/repo link, but the shipped source was fully read",
"appliedPenalty": 2
},
{
"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 (73 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/setup/codex-cli.js)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`dist/setup/codex-cli.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/setup/codex-cli.js"
},
"evidence": "{ execFileSync } from 'child_process'; import { existsSync } from 'fs'; import { homedir } from 'os'; import { join } f",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "dist/setup/codex-cli.js",
"line": 1,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in server code (dist/setup/index.js)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`dist/setup/index.js:3`): 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/setup/index.js"
},
"evidence": "c, execFileSync } from 'child_process'; import { join } from 'path'; import { homedir } from 'os'; import { DEFAULT_EXCH",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "dist/setup/index.js",
"line": 3,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in server code (dist/setup/uninstall.js)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`dist/setup/uninstall.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/setup/uninstall.js"
},
"evidence": "c, execFileSync } from 'child_process'; import { existsSync, readFileSync, writeFileSync, rmSync, chmodSync } from 'fs';",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "dist/setup/uninstall.js",
"line": 1,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SRC-009",
"title": "Untrusted input concatenated into a command sink (dist/setup/uninstall.js)",
"category": "injection",
"severity": "medium",
"confidence": "strong",
"description": "In the server's implementation (`dist/setup/uninstall.js:10`): A shell/process command assembled from concatenated or interpolated values is command injection when any part is attacker-influenced — the OWASP canonical RCE flow. Verify what reaches the interpolated value. 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/setup/uninstall.js"
},
"evidence": "nd) { try { execSync(`${command} --version`, { stdio: 'pipe', timeout: 5000 }); return true; }",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-009",
"file": "dist/setup/uninstall.js",
"line": 10,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in packaging/dev tooling (dist/setup/codex-cli.test.js)",
"category": "permissions",
"severity": "low",
"confidence": "heuristic",
"description": "In a packaging/dev/install script (shipped, but not the server runtime) (`dist/setup/codex-cli.test.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/setup/codex-cli.test.js"
},
"evidence": "{ execFileSync } from 'child_process'; import { existsSync } from 'fs'; import { homedir } from 'os'; import { formatCo",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "dist/setup/codex-cli.test.js",
"line": 2,
"nonRuntime": true
}
},
{
"ruleId": "MTC-SUP-011",
"title": "Package declares no source repository",
"category": "supply-chain",
"severity": "info",
"confidence": "strong",
"description": "\"ice-puzzle-mcp\" declares no repository URL, so its published artifact cannot be compared against reviewable source.",
"remediation": "Prefer packages that link to public, reviewable source.",
"location": {
"kind": "package",
"name": "ice-puzzle-mcp"
}
}
],
"toxicFlows": [],
"capabilities": [
{
"tool": "create_level",
"tags": [],
"reasons": {}
},
{
"tool": "get_level",
"tags": [],
"reasons": {}
},
{
"tool": "list_drafts",
"tags": [],
"reasons": {}
},
{
"tool": "save_local_draft",
"tags": [],
"reasons": {}
},
{
"tool": "load_local_draft",
"tags": [],
"reasons": {}
},
{
"tool": "delete_draft",
"tags": [],
"reasons": {}
},
{
"tool": "import_level",
"tags": [],
"reasons": {}
},
{
"tool": "export_level",
"tags": [],
"reasons": {}
},
{
"tool": "rename_level",
"tags": [],
"reasons": {}
},
{
"tool": "undo",
"tags": [],
"reasons": {}
},
{
"tool": "redo",
"tags": [],
"reasons": {}
},
{
"tool": "revert_to_last_solvable",
"tags": [],
"reasons": {}
},
{
"tool": "place_tile",
"tags": [],
"reasons": {}
},
{
"tool": "remove_tile",
"tags": [],
"reasons": {}
},
{
"tool": "move_tile",
"tags": [],
"reasons": {}
},
{
"tool": "place_tiles_batch",
"tags": [],
"reasons": {}
},
{
"tool": "fill_region",
"tags": [],
"reasons": {}
},
{
"tool": "clear_region",
"tags": [],
"reasons": {}
},
{
"tool": "set_grid_size",
"tags": [],
"reasons": {}
},
{
"tool": "set_start",
"tags": [],
"reasons": {}
},
{
"tool": "set_goal",
"tags": [],
"reasons": {}
},
{
"tool": "set_par",
"tags": [],
"reasons": {}
},
{
"tool": "set_par_to_shortest",
"tags": [],
"reasons": {}
},
{
"tool": "clear_level",
"tags": [],
"reasons": {}
},
{
"tool": "add_warp_pair",
"tags": [],
"reasons": {}
},
{
"tool": "remove_warp",
"tags": [],
"reasons": {}
},
{
"tool": "add_thin_ice",
"tags": [],
"reasons": {}
},
{
"tool": "remove_thin_ice",
"tags": [],
"reasons": {}
},
{
"tool": "add_pushable_rock",
"tags": [],
"reasons": {}
},
{
"tool": "remove_pushable_rock",
"tags": [],
"reasons": {}
},
{
"tool": "set_pressure_plate",
"tags": [],
"reasons": {}
},
{
"tool": "remove_pressure_plate",
"tags": [],
"reasons": {}
},
{
"tool": "set_barrier",
"tags": [],
"reasons": {}
},
{
"tool": "remove_barrier",
"tags": [],
"reasons": {}
},
{
"tool": "solve_level",
"tags": [],
"reasons": {}
},
{
"tool": "test_placement",
"tags": [],
"reasons": {}
},
{
"tool": "reachable_from",
"tags": [],
"reasons": {}
},
{
"tool": "suggest_stop_points",
"tags": [],
"reasons": {}
},
{
"tool": "seed_layout_pattern",
"tags": [],
"reasons": {}
},
{
"tool": "suggest_skeleton_layout",
"tags": [],
"reasons": {}
},
{
"tool": "simulate_move",
"tags": [],
"reasons": {}
},
{
"tool": "simulate_playthrough",
"tags": [],
"reasons": {}
},
{
"tool": "analyze_difficulty",
"tags": [],
"reasons": {}
},
{
"tool": "validate_quality_gate",
"tags": [],
"reasons": {}
},
{
"tool": "check_publish_readiness",
"tags": [],
"reasons": {}
},
{
"tool": "visualize_level",
"tags": [],
"reasons": {}
},
{
"tool": "get_game_rules",
"tags": [],
"reasons": {}
},
{
"tool": "get_tile_types",
"tags": [],
"reasons": {}
},
{
"tool": "get_level_requirements",
"tags": [],
"reasons": {}
},
{
"tool": "interaction_faq",
"tags": [],
"reasons": {}
},
{
"tool": "list_campaign_examples",
"tags": [],
"reasons": {}
},
{
"tool": "get_campaign_example",
"tags": [],
"reasons": {}
},
{
"tool": "save_draft",
"tags": [],
"reasons": {}
},
{
"tool": "load_draft",
"tags": [],
"reasons": {}
},
{
"tool": "delete_remote_draft",
"tags": [],
"reasons": {}
},
{
"tool": "list_remote_drafts",
"tags": [],
"reasons": {}
},
{
"tool": "list_my_published_levels",
"tags": [],
"reasons": {}
},
{
"tool": "get_my_published_level",
"tags": [],
"reasons": {}
},
{
"tool": "unpublish_level",
"tags": [],
"reasons": {}
},
{
"tool": "restore_published_level",
"tags": [],
"reasons": {}
},
{
"tool": "publish_level",
"tags": [],
"reasons": {}
},
{
"tool": "preview_level",
"tags": [],
"reasons": {}
},
{
"tool": "auth_status",
"tags": [],
"reasons": {}
},
{
"tool": "Game Rules",
"tags": [],
"reasons": {}
},
{
"tool": "Tile Types",
"tags": [],
"reasons": {}
},
{
"tool": "Current Level",
"tags": [],
"reasons": {}
},
{
"tool": "Campaign Examples",
"tags": [],
"reasons": {}
},
{
"tool": "build-level",
"tags": [],
"reasons": {}
},
{
"tool": "mechanics",
"tags": [],
"reasons": {}
},
{
"tool": "targetMoves",
"tags": [],
"reasons": {}
},
{
"tool": "gridSize",
"tags": [],
"reasons": {}
},
{
"tool": "improve-level",
"tags": [],
"reasons": {}
},
{
"tool": "challenge-level",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "a5157107838cb2c1f9818ae746e77b391395296eea4419542af80de39c90d8e1",
"stats": {
"tools": 73,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 3,
"medium": 1,
"low": 1,
"info": 1
}
}
}