Trelly — 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": "trelly",
"source": {
"kind": "package",
"origin": "trelly"
},
"server": {
"name": "trelly"
}
},
"grade": "A",
"score": {
"score": 93,
"threatScore": 99,
"grade": "A",
"band": "A",
"categorySubtotals": {
"injection": 0,
"exfiltration": 0,
"permissions": 0,
"supply-chain": 1.2,
"network": 0,
"hygiene": 0
},
"vector": [
{
"kind": "threat",
"ruleId": "MTC-SUP-010",
"category": "supply-chain",
"severity": "low",
"confidence": "heuristic",
"rawWeight": 3,
"confidenceMult": 0.4,
"diminishingFactor": 1,
"appliedPenalty": 1.2
},
{
"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 send data / act on an external service",
"can execute shell commands or code"
],
"tags": [
"external-sink",
"code-exec"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (30 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 (bin/launch-cursor-mcp.mjs)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`bin/launch-cursor-mcp.mjs:6`): 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": "bin/launch-cursor-mcp.mjs"
},
"evidence": "rt { spawn } from \"node:child_process\"; import { existsSync, readdirSync, statSync } from \"node:fs\"; import { homedir }",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "bin/launch-cursor-mcp.mjs",
"line": 6,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in server code (src/sync-plugin-versions.ts)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`src/sync-plugin-versions.ts: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": "src/sync-plugin-versions.ts"
},
"evidence": "spawnSync } from \"node:child_process\"; import { readFileSync, writeFileSync } from \"node:fs\"; import { dirname, join, r",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "src/sync-plugin-versions.ts",
"line": 1,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in server code (src/update.ts)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`src/update.ts: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": "src/update.ts"
},
"evidence": "rt { spawn } from \"node:child_process\"; import { cpSync, existsSync, mkdirSync, readFileSync, realpathSync,",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "src/update.ts",
"line": 1,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in server code (src/util/runtime.ts)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`src/util/runtime.ts: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": "src/util/runtime.ts"
},
"evidence": "rt { spawn } from \"node:child_process\"; import { createInterface } from \"node:readline\"; export async function readLine",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "src/util/runtime.ts",
"line": 1,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in packaging/dev tooling (src/install.test.ts)",
"category": "permissions",
"severity": "low",
"confidence": "heuristic",
"description": "In a packaging/dev/install script (shipped, but not the server runtime) (`src/install.test.ts: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": "src/install.test.ts"
},
"evidence": "spawnSync } from \"node:child_process\"; import { chmodSync, existsSync, mkdirSync, mkdtempSync, readFileSync,",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "src/install.test.ts",
"line": 2,
"nonRuntime": true
}
},
{
"ruleId": "MTC-SUP-010",
"title": "Package runs install-time scripts (postinstall)",
"category": "supply-chain",
"severity": "low",
"confidence": "heuristic",
"description": "\"trelly\" executes postinstall script(s) at install time. An install hook runs at install time; most are routine build/setup, but review what it does before trusting it.",
"remediation": "Review the scripts; install with --ignore-scripts where possible and vet what they do.",
"location": {
"kind": "package",
"name": "trelly"
},
"evidence": "node -e \"try{const{chmodSync}=require('fs');for(const f of['bin/trelly','bin/trelly-mcp','bin/run-ts','bin/launch-cursor-mcp.mjs','bin/install-cursor-plugin-loc",
"owasp": "LLM03:2025 Supply Chain",
"references": [
"https://github.com/ossf/package-analysis",
"https://owasp.org/www-project-top-10-ci-cd-security-risks/"
],
"data": {
"scripts": [
"postinstall"
]
}
}
],
"toxicFlows": [],
"capabilities": [
{
"tool": "trello_api_get",
"tags": [],
"reasons": {}
},
{
"tool": "trello_api_mutate",
"tags": [],
"reasons": {}
},
{
"tool": "trello_boards_list",
"tags": [],
"reasons": {}
},
{
"tool": "trello_board_create",
"tags": [],
"reasons": {}
},
{
"tool": "trello_board_archive",
"tags": [],
"reasons": {}
},
{
"tool": "trello_board_context",
"tags": [],
"reasons": {}
},
{
"tool": "trello_card_create",
"tags": [],
"reasons": {}
},
{
"tool": "trello_card_update",
"tags": [],
"reasons": {}
},
{
"tool": "trello_card_move",
"tags": [],
"reasons": {}
},
{
"tool": "trello_card_comment_create",
"tags": [],
"reasons": {}
},
{
"tool": "trello_card_comment_update",
"tags": [],
"reasons": {}
},
{
"tool": "trello_card_comment_delete",
"tags": [],
"reasons": {}
},
{
"tool": "trello_card_archive",
"tags": [],
"reasons": {}
},
{
"tool": "trello_card_delete",
"tags": [],
"reasons": {}
},
{
"tool": "trello_card_context",
"tags": [],
"reasons": {}
},
{
"tool": "trello_card_attachment_add",
"tags": [],
"reasons": {}
},
{
"tool": "trello_card_attachment_delete",
"tags": [],
"reasons": {}
},
{
"tool": "trello_checklist_create",
"tags": [],
"reasons": {}
},
{
"tool": "trello_checklist_add_item",
"tags": [],
"reasons": {}
},
{
"tool": "trello_label_create",
"tags": [],
"reasons": {}
},
{
"tool": "trello_card_add_label",
"tags": [],
"reasons": {}
},
{
"tool": "trello_list_create",
"tags": [],
"reasons": {}
},
{
"tool": "trello_list_cards",
"tags": [],
"reasons": {}
},
{
"tool": "trello_profiles_list",
"tags": [],
"reasons": {}
},
{
"tool": "trello_member_me",
"tags": [],
"reasons": {}
},
{
"tool": "trello_resolve",
"tags": [],
"reasons": {}
},
{
"tool": "trello_search",
"tags": [],
"reasons": {}
},
{
"tool": "trello_webhooks_list",
"tags": [],
"reasons": {}
},
{
"tool": "trello_webhook_create",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"webhook\""
]
}
},
{
"tool": "trello_webhook_delete",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"webhook\""
]
}
}
],
"surfaceDigest": "4b965ae783abc4e1d064f5c49b5ae355cbb4ff32bf6a36c19e0fd5b97769317c",
"stats": {
"tools": 30,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 4,
"medium": 0,
"low": 2,
"info": 0
}
}
}