Helius — 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": "helius-mcp",
"source": {
"kind": "package",
"origin": "helius-mcp"
},
"server": {
"name": "helius-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 send data / act on an external service",
"can execute shell commands or code"
],
"tags": [
"external-sink",
"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 (105 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/utils/ows.js)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`dist/utils/ows.js:19`): 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/utils/ows.js"
},
"evidence": "{ execFile } from 'node:child_process'; import { promisify } from 'node:util'; import { address, createKeyPairSignerFrom",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "dist/utils/ows.js",
"line": 19,
"nonRuntime": false
}
},
{
"ruleId": "MTC-FLOW-005",
"title": "Untrusted input can drive an external action",
"category": "exfiltration",
"severity": "medium",
"confidence": "strong",
"description": "Untrusted-input tools ([getSIMD, listSIMDs]) co-exist with external-action tools ([heliusStreaming, getWebhookGuide, getAllWebhooks, getWebhookByID, createWebhook, updateWebhook, deleteWebhook]). A prompt injection could cause unwanted external actions, though no direct sensitive-data leak path was found.",
"remediation": "Require confirmation for state-changing/egress actions triggered after processing untrusted content.",
"location": {
"kind": "flow",
"name": "getSIMD → heliusStreaming"
},
"evidence": "untrusted [getSIMD, listSIMDs] → sinks [heliusStreaming, getWebhookGuide, getAllWebhooks, getWebhookByID, createWebhook, updateWebhook, deleteWebhook]",
"owasp": "LLM06:2025 Excessive Agency",
"references": [],
"data": {
"untrusted": [
"getSIMD",
"listSIMDs"
],
"sinks": [
"heliusStreaming",
"getWebhookGuide",
"getAllWebhooks",
"getWebhookByID",
"createWebhook",
"updateWebhook",
"deleteWebhook"
]
}
}
],
"toxicFlows": [
{
"id": "flow-1",
"severity": "medium",
"confidence": "strong",
"untrustedInput": [
"getSIMD",
"listSIMDs"
],
"sensitiveSource": [],
"externalSink": [
"heliusStreaming",
"getWebhookGuide",
"getAllWebhooks",
"getWebhookByID",
"createWebhook",
"updateWebhook",
"deleteWebhook"
],
"selfContained": false,
"description": "Untrusted input can drive an external action even though no sensitive source is exposed."
}
],
"capabilities": [
{
"tool": "heliusAccount",
"tags": [],
"reasons": {}
},
{
"tool": "heliusWallet",
"tags": [],
"reasons": {}
},
{
"tool": "heliusAsset",
"tags": [],
"reasons": {}
},
{
"tool": "heliusTransaction",
"tags": [],
"reasons": {}
},
{
"tool": "heliusChain",
"tags": [],
"reasons": {}
},
{
"tool": "heliusStreaming",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"webhook\""
]
}
},
{
"tool": "heliusKnowledge",
"tags": [],
"reasons": {}
},
{
"tool": "heliusWrite",
"tags": [],
"reasons": {}
},
{
"tool": "heliusCompression",
"tags": [],
"reasons": {}
},
{
"tool": "expandResult",
"tags": [],
"reasons": {}
},
{
"tool": "getAccountInfo",
"tags": [],
"reasons": {}
},
{
"tool": "getTokenAccounts",
"tags": [],
"reasons": {}
},
{
"tool": "getProgramAccounts",
"tags": [],
"reasons": {}
},
{
"tool": "getAssetsByOwner",
"tags": [],
"reasons": {}
},
{
"tool": "getAsset",
"tags": [],
"reasons": {}
},
{
"tool": "searchAssets",
"tags": [],
"reasons": {}
},
{
"tool": "getAssetsByGroup",
"tags": [],
"reasons": {}
},
{
"tool": "getStarted",
"tags": [],
"reasons": {}
},
{
"tool": "generateKeypair",
"tags": [],
"reasons": {}
},
{
"tool": "signup",
"tags": [],
"reasons": {}
},
{
"tool": "getAccountStatus",
"tags": [],
"reasons": {}
},
{
"tool": "previewUpgrade",
"tags": [],
"reasons": {}
},
{
"tool": "upgradePlan",
"tags": [],
"reasons": {}
},
{
"tool": "purchaseCredits",
"tags": [],
"reasons": {}
},
{
"tool": "payRenewal",
"tags": [],
"reasons": {}
},
{
"tool": "getBalance",
"tags": [],
"reasons": {}
},
{
"tool": "getTokenBalances",
"tags": [],
"reasons": {}
},
{
"tool": "getBlock",
"tags": [],
"reasons": {}
},
{
"tool": "setHeliusApiKey",
"tags": [],
"reasons": {}
},
{
"tool": "getAssetProof",
"tags": [],
"reasons": {}
},
{
"tool": "getAssetProofBatch",
"tags": [],
"reasons": {}
},
{
"tool": "getSignaturesForAsset",
"tags": [],
"reasons": {}
},
{
"tool": "getNftEditions",
"tags": [],
"reasons": {}
},
{
"tool": "lookupHeliusDocs",
"tags": [],
"reasons": {}
},
{
"tool": "listHeliusDocTopics",
"tags": [],
"reasons": {}
},
{
"tool": "getHeliusCreditsInfo",
"tags": [],
"reasons": {}
},
{
"tool": "transactionSubscribe",
"tags": [],
"reasons": {}
},
{
"tool": "accountSubscribe",
"tags": [],
"reasons": {}
},
{
"tool": "getEnhancedWebSocketInfo",
"tags": [],
"reasons": {}
},
{
"tool": "getPriorityFeeEstimate",
"tags": [],
"reasons": {}
},
{
"tool": "getRateLimitInfo",
"tags": [],
"reasons": {}
},
{
"tool": "getSenderInfo",
"tags": [],
"reasons": {}
},
{
"tool": "getWebhookGuide",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"webhook\""
]
}
},
{
"tool": "troubleshootError",
"tags": [],
"reasons": {}
},
{
"tool": "getLatencyComparison",
"tags": [],
"reasons": {}
},
{
"tool": "getPumpFunGuide",
"tags": [],
"reasons": {}
},
{
"tool": "laserstreamSubscribe",
"tags": [],
"reasons": {}
},
{
"tool": "getLaserstreamInfo",
"tags": [],
"reasons": {}
},
{
"tool": "getNetworkStatus",
"tags": [],
"reasons": {}
},
{
"tool": "getHeliusPlanInfo",
"tags": [],
"reasons": {}
},
{
"tool": "compareHeliusPlans",
"tags": [],
"reasons": {}
},
{
"tool": "getAccountPlan",
"tags": [],
"reasons": {}
},
{
"tool": "recommendStack",
"tags": [],
"reasons": {}
},
{
"tool": "getSIMD",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "listSIMDs",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "readSolanaSourceFile",
"tags": [],
"reasons": {}
},
{
"tool": "searchSolanaDocs",
"tags": [],
"reasons": {}
},
{
"tool": "fetchHeliusBlog",
"tags": [],
"reasons": {}
},
{
"tool": "stakeSOL",
"tags": [],
"reasons": {}
},
{
"tool": "unstakeSOL",
"tags": [],
"reasons": {}
},
{
"tool": "withdrawStake",
"tags": [],
"reasons": {}
},
{
"tool": "getStakeAccounts",
"tags": [],
"reasons": {}
},
{
"tool": "getWithdrawableAmount",
"tags": [],
"reasons": {}
},
{
"tool": "getTokenHolders",
"tags": [],
"reasons": {}
},
{
"tool": "parseTransactions",
"tags": [],
"reasons": {}
},
{
"tool": "simulateTransaction",
"tags": [],
"reasons": {}
},
{
"tool": "getTransactionHistory",
"tags": [],
"reasons": {}
},
{
"tool": "getTransfersByAddress",
"tags": [],
"reasons": {}
},
{
"tool": "transferSol",
"tags": [],
"reasons": {}
},
{
"tool": "transferToken",
"tags": [],
"reasons": {}
},
{
"tool": "getWalletIdentity",
"tags": [],
"reasons": {}
},
{
"tool": "batchWalletIdentity",
"tags": [],
"reasons": {}
},
{
"tool": "getWalletBalances",
"tags": [],
"reasons": {}
},
{
"tool": "getWalletBalanceAt",
"tags": [],
"reasons": {}
},
{
"tool": "getWalletHistory",
"tags": [],
"reasons": {}
},
{
"tool": "getWalletTransfers",
"tags": [],
"reasons": {}
},
{
"tool": "getWalletFundedBy",
"tags": [],
"reasons": {}
},
{
"tool": "getAllWebhooks",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"webhook\""
]
}
},
{
"tool": "getWebhookByID",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"webhook\""
]
}
},
{
"tool": "createWebhook",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"http_post\""
]
}
},
{
"tool": "updateWebhook",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"webhook\""
]
}
},
{
"tool": "deleteWebhook",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"webhook\""
]
}
},
{
"tool": "getCompressedAccount",
"tags": [],
"reasons": {}
},
{
"tool": "getCompressedAccountsByOwner",
"tags": [],
"reasons": {}
},
{
"tool": "getMultipleCompressedAccounts",
"tags": [],
"reasons": {}
},
{
"tool": "getCompressedBalance",
"tags": [],
"reasons": {}
},
{
"tool": "getCompressedBalanceByOwner",
"tags": [],
"reasons": {}
},
{
"tool": "getCompressedMintTokenHolders",
"tags": [],
"reasons": {}
},
{
"tool": "getCompressedTokenAccountBalance",
"tags": [],
"reasons": {}
},
{
"tool": "getCompressedTokenAccountsByOwner",
"tags": [],
"reasons": {}
},
{
"tool": "getCompressedTokenAccountsByDelegate",
"tags": [],
"reasons": {}
},
{
"tool": "getCompressedTokenBalancesByOwnerV2",
"tags": [],
"reasons": {}
},
{
"tool": "getCompressedAccountProof",
"tags": [],
"reasons": {}
},
{
"tool": "getMultipleCompressedAccountProofs",
"tags": [],
"reasons": {}
},
{
"tool": "getMultipleNewAddressProofs",
"tags": [],
"reasons": {}
},
{
"tool": "getCompressionSignaturesForAccount",
"tags": [],
"reasons": {}
},
{
"tool": "getCompressionSignaturesForAddress",
"tags": [],
"reasons": {}
},
{
"tool": "getCompressionSignaturesForOwner",
"tags": [],
"reasons": {}
},
{
"tool": "getCompressionSignaturesForTokenOwner",
"tags": [],
"reasons": {}
},
{
"tool": "getLatestCompressionSignatures",
"tags": [],
"reasons": {}
},
{
"tool": "getLatestNonVotingSignatures",
"tags": [],
"reasons": {}
},
{
"tool": "getTransactionWithCompressionInfo",
"tags": [],
"reasons": {}
},
{
"tool": "getValidityProof",
"tags": [],
"reasons": {}
},
{
"tool": "getIndexerHealth",
"tags": [],
"reasons": {}
},
{
"tool": "getIndexerSlot",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "7f6d7b41db592388474538f3a68cd738149e15728bb3f2f762b77834f43b99fc",
"stats": {
"tools": 105,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 1,
"medium": 1,
"low": 0,
"info": 0
}
}
}