Kalshi — 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": "kalshi-mcp-server",
"source": {
"kind": "package",
"origin": "kalshi-mcp-server"
},
"server": {
"name": "kalshi-mcp-server"
}
},
"grade": "A",
"score": {
"score": 96,
"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": "moderate",
"label": "capability blast radius (moderate) — client exposure if the model is manipulated",
"appliedPenalty": 3
},
{
"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": "moderate",
"reasons": [
"ingests untrusted external content (a prompt-injection entry point)",
"reads sensitive or local data"
],
"tags": [
"untrusted-input",
"sensitive-source"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (40 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-006",
"title": "Reads a sensitive credential path or dumps the environment (src/kalshi_mcp_server/tools/external_data.py)",
"category": "exfiltration",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`src/kalshi_mcp_server/tools/external_data.py:23`): Reading private keys / cloud credentials, or serializing the whole environment, is a sensitive-data source that becomes exfiltration when combined with any egress. 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/kalshi_mcp_server/tools/external_data.py"
},
"evidence": "lse`` so env proxies / ``.netrc`` can never inject routing or auth either. - **Redirects are NOT followed.** A 3xx wit",
"owasp": "LLM02:2025 Sensitive Information Disclosure",
"data": {
"rule": "MTC-SRC-006",
"file": "src/kalshi_mcp_server/tools/external_data.py",
"line": 23,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SUP-012",
"title": "Package has no license",
"category": "hygiene",
"severity": "info",
"confidence": "strong",
"description": "\"kalshi-mcp-server\" has no declared license. This is a legal/reuse concern, not a security finding.",
"location": {
"kind": "package",
"name": "kalshi-mcp-server"
}
}
],
"toxicFlows": [],
"capabilities": [
{
"tool": "kalshi_get_markets",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_find_liquid_markets",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_get_market",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_get_event",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_get_events",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_get_series",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "kalshi_get_series_list",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_get_milestones",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_get_series_summary",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_get_trades",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_get_exchange_status",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_get_exchange_schedule",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_get_api_limits",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_get_environment",
"tags": [
"sensitive-source"
],
"reasons": {
"sensitive-source": [
"keyword \"get_env\""
]
}
},
{
"tool": "kalshi_set_safety_limits",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_fetch_external_data",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "kalshi_get_live_orderbook",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_sample_trades",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_get_orderbook",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_get_orderbooks",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_get_market_candlesticks",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_get_event_candlesticks",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_get_batch_candlesticks",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_get_event_forecast_history",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_get_market_trades",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_get_combo_collections",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_get_combo_collection",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_get_combo_events",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_get_combo_legs",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_create_combo_market",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_prepare_order",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_confirm_order",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_cancel_order",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_decrease_order",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_get_order",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "kalshi_get_balance",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_get_positions",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_get_orders",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_get_fills",
"tags": [],
"reasons": {}
},
{
"tool": "kalshi_get_settlements",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "565deda70b672ffa0a6b8dd40bbdbeda9d5f8a590aec00555b3d1dbd87990220",
"stats": {
"tools": 40,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 1,
"medium": 0,
"low": 0,
"info": 1
}
}
}