Heista — 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": "https://www.heista.co/api/mcp/mcp",
"source": {
"kind": "http",
"origin": "https://www.heista.co/api/mcp/mcp"
},
"server": {
"name": "heista",
"version": "1.0.0"
}
},
"grade": "B",
"score": {
"score": 88,
"threatScore": 94,
"grade": "B",
"band": "B",
"categorySubtotals": {
"injection": 0,
"exfiltration": 0,
"permissions": 6.3,
"supply-chain": 0,
"network": 0,
"hygiene": 0
},
"vector": [
{
"kind": "threat",
"ruleId": "MTC-CAP-003",
"category": "permissions",
"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": "coverage-honesty",
"level": "live",
"label": "inspection depth (live) — 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": [
"untrusted-input",
"external-sink",
"code-exec"
]
},
"coverage": {
"level": "live",
"inputs": {
"toolSurface": true,
"implementationSource": false,
"packageMetadata": false,
"liveTransport": true
},
"caveats": []
},
"findings": [
{
"ruleId": "MTC-CAP-001",
"title": "Tool \"generate_adscript\" exposes command/code execution",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "Tool \"generate_adscript\" appears to run shell commands or evaluate code (parameter \"script\"). 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": "generate_adscript"
},
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"tags": [
"code-exec"
]
}
},
{
"ruleId": "MTC-FLOW-005",
"title": "Untrusted input can drive an external action",
"category": "exfiltration",
"severity": "medium",
"confidence": "strong",
"description": "Untrusted-input tools ([decode_ad, get_decode, get_powersource, get_hook_intelligence, adformula_intelligence, decoder_intelligence, perplexity_search, fetch_url, get_saved_asset, get_saved_assets_batch, fleet_gsc_inspect_url, fleet_gsc_sitemaps, fleet_site_audit_summary, fleet_site_pages, fleet_seo_recovery]) co-exist with external-action tools ([create_powersource_url, generate_adscript, fleet_create_issue]). 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": "decode_ad → create_powersource_url"
},
"evidence": "untrusted [decode_ad, get_decode, get_powersource, get_hook_intelligence, adformula_intelligence, decoder_intelligence, perplexity_search, fetch_url, get_saved_",
"owasp": "LLM06:2025 Excessive Agency",
"references": [],
"data": {
"untrusted": [
"decode_ad",
"get_decode",
"get_powersource",
"get_hook_intelligence",
"adformula_intelligence",
"decoder_intelligence",
"perplexity_search",
"fetch_url",
"get_saved_asset",
"get_saved_assets_batch",
"fleet_gsc_inspect_url",
"fleet_gsc_sitemaps",
"fleet_site_audit_summary",
"fleet_site_pages",
"fleet_seo_recovery"
],
"sinks": [
"create_powersource_url",
"generate_adscript",
"fleet_create_issue"
]
}
},
{
"ruleId": "MTC-CAP-007",
"title": "Unconstrained URL/host parameter \"url\" on \"decode_ad\"",
"category": "network",
"severity": "medium",
"confidence": "heuristic",
"description": "Tool \"decode_ad\" takes a URL/host parameter \"url\" with no allowlist/pattern. An outbound-request tool with an unbounded destination enables SSRF and cloud-metadata access (e.g. 169.254.169.254).",
"remediation": "Allowlist destinations or constrain the parameter; block private/link-local addresses server-side.",
"location": {
"kind": "tool",
"name": "decode_ad",
"field": "inputSchema.properties.url"
},
"owasp": "LLM06:2025 Excessive Agency",
"data": {
"param": "url"
}
},
{
"ruleId": "MTC-CAP-007",
"title": "Unconstrained URL/host parameter \"url\" on \"create_powersource_url\"",
"category": "network",
"severity": "medium",
"confidence": "heuristic",
"description": "Tool \"create_powersource_url\" takes a URL/host parameter \"url\" with no allowlist/pattern. An outbound-request tool with an unbounded destination enables SSRF and cloud-metadata access (e.g. 169.254.169.254).",
"remediation": "Allowlist destinations or constrain the parameter; block private/link-local addresses server-side.",
"location": {
"kind": "tool",
"name": "create_powersource_url",
"field": "inputSchema.properties.url"
},
"owasp": "LLM06:2025 Excessive Agency",
"data": {
"param": "url"
}
},
{
"ruleId": "MTC-CAP-007",
"title": "Unconstrained URL/host parameter \"webhook_url\" on \"create_powersource_url\"",
"category": "network",
"severity": "medium",
"confidence": "heuristic",
"description": "Tool \"create_powersource_url\" takes a URL/host parameter \"webhook_url\" with no allowlist/pattern. An outbound-request tool with an unbounded destination enables SSRF and cloud-metadata access (e.g. 169.254.169.254).",
"remediation": "Allowlist destinations or constrain the parameter; block private/link-local addresses server-side.",
"location": {
"kind": "tool",
"name": "create_powersource_url",
"field": "inputSchema.properties.webhook_url"
},
"owasp": "LLM06:2025 Excessive Agency",
"data": {
"param": "webhook_url"
}
},
{
"ruleId": "MTC-CAP-007",
"title": "Unconstrained URL/host parameter \"url\" on \"fetch_url\"",
"category": "network",
"severity": "medium",
"confidence": "heuristic",
"description": "Tool \"fetch_url\" takes a URL/host parameter \"url\" with no allowlist/pattern. An outbound-request tool with an unbounded destination enables SSRF and cloud-metadata access (e.g. 169.254.169.254).",
"remediation": "Allowlist destinations or constrain the parameter; block private/link-local addresses server-side.",
"location": {
"kind": "tool",
"name": "fetch_url",
"field": "inputSchema.properties.url"
},
"owasp": "LLM06:2025 Excessive Agency",
"data": {
"param": "url"
}
},
{
"ruleId": "MTC-CAP-007",
"title": "Unconstrained URL/host parameter \"url\" on \"fleet_gsc_inspect_url\"",
"category": "network",
"severity": "medium",
"confidence": "heuristic",
"description": "Tool \"fleet_gsc_inspect_url\" takes a URL/host parameter \"url\" with no allowlist/pattern. An outbound-request tool with an unbounded destination enables SSRF and cloud-metadata access (e.g. 169.254.169.254).",
"remediation": "Allowlist destinations or constrain the parameter; block private/link-local addresses server-side.",
"location": {
"kind": "tool",
"name": "fleet_gsc_inspect_url",
"field": "inputSchema.properties.url"
},
"owasp": "LLM06:2025 Excessive Agency",
"data": {
"param": "url"
}
},
{
"ruleId": "MTC-CAP-003",
"title": "Annotation contradicts behavior on \"generate_adscript\"",
"category": "permissions",
"severity": "medium",
"confidence": "strong",
"description": "Tool \"generate_adscript\" advertises destructiveHint=false but its derived capabilities include state-modifying actions (code-exec). Tool annotations are attacker-controllable and must never be trusted; a mismatch like this is exactly how a hostile server hides a destructive tool.",
"remediation": "Ignore server-provided annotations for security decisions; gate destructive tools on explicit user consent.",
"location": {
"kind": "tool",
"name": "generate_adscript"
},
"owasp": "LLM06:2025 Excessive Agency",
"data": {
"tags": [
"code-exec"
],
"annotations": {
"readOnlyHint": false,
"destructiveHint": false,
"idempotentHint": false,
"openWorldHint": false
}
}
},
{
"ruleId": "MTC-NET-005",
"title": "Remote HTTP MCP endpoint",
"category": "network",
"severity": "info",
"confidence": "strong",
"description": "Remote endpoint www.heista.co. MCP Trust Checker does not test server-side authentication/authorization; verify the endpoint requires auth.",
"location": {
"kind": "transport"
}
}
],
"toxicFlows": [
{
"id": "flow-1",
"severity": "medium",
"confidence": "strong",
"untrustedInput": [
"decode_ad",
"get_decode",
"get_powersource",
"get_hook_intelligence",
"adformula_intelligence",
"decoder_intelligence",
"perplexity_search",
"fetch_url",
"get_saved_asset",
"get_saved_assets_batch",
"fleet_gsc_inspect_url",
"fleet_gsc_sitemaps",
"fleet_site_audit_summary",
"fleet_site_pages",
"fleet_seo_recovery"
],
"sensitiveSource": [],
"externalSink": [
"create_powersource_url",
"generate_adscript",
"fleet_create_issue"
],
"selfContained": false,
"description": "Untrusted input can drive an external action even though no sensitive source is exposed."
}
],
"capabilities": [
{
"tool": "decode_ad",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"browse\""
]
}
},
{
"tool": "get_decode",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "create_powersource_url",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"webhook\"",
"parameter \"webhook\""
]
}
},
{
"tool": "get_powersource",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "create_powersource_docs",
"tags": [],
"reasons": {}
},
{
"tool": "create_powersource_full",
"tags": [],
"reasons": {}
},
{
"tool": "check_balance",
"tags": [],
"reasons": {}
},
{
"tool": "get_hook_intelligence",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"browse\""
]
}
},
{
"tool": "adformula_intelligence",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"browse\""
]
}
},
{
"tool": "decoder_intelligence",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"browse\""
]
}
},
{
"tool": "generate_adscript",
"tags": [
"code-exec"
],
"reasons": {
"code-exec": [
"parameter \"script\""
]
}
},
{
"tool": "call_creative_worlds",
"tags": [],
"reasons": {}
},
{
"tool": "call_creative_agent_preset",
"tags": [],
"reasons": {}
},
{
"tool": "chat_with_creative_worlds",
"tags": [],
"reasons": {}
},
{
"tool": "list_brands",
"tags": [],
"reasons": {}
},
{
"tool": "get_brand",
"tags": [],
"reasons": {}
},
{
"tool": "list_strategies",
"tags": [],
"reasons": {}
},
{
"tool": "list_projects",
"tags": [],
"reasons": {}
},
{
"tool": "list_brand_assets",
"tags": [],
"reasons": {}
},
{
"tool": "add_brand_asset",
"tags": [],
"reasons": {}
},
{
"tool": "delete_brand_asset",
"tags": [],
"reasons": {}
},
{
"tool": "retag_brand_asset",
"tags": [],
"reasons": {}
},
{
"tool": "reclassify_brand_assets",
"tags": [],
"reasons": {}
},
{
"tool": "list_brand_documents",
"tags": [],
"reasons": {}
},
{
"tool": "read_brand_document",
"tags": [],
"reasons": {}
},
{
"tool": "search_skills",
"tags": [],
"reasons": {}
},
{
"tool": "list_skills",
"tags": [],
"reasons": {}
},
{
"tool": "load_skill",
"tags": [],
"reasons": {}
},
{
"tool": "load_skill_reference",
"tags": [],
"reasons": {}
},
{
"tool": "perplexity_search",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"search web\""
]
}
},
{
"tool": "search",
"tags": [],
"reasons": {}
},
{
"tool": "search_community",
"tags": [],
"reasons": {}
},
{
"tool": "search_research",
"tags": [],
"reasons": {}
},
{
"tool": "fetch_url",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch_url\""
]
}
},
{
"tool": "dispatch_desk_researcher",
"tags": [],
"reasons": {}
},
{
"tool": "dispatch_trend_researcher",
"tags": [],
"reasons": {}
},
{
"tool": "dispatch_market_analyst",
"tags": [],
"reasons": {}
},
{
"tool": "dispatch_quantitative_researcher",
"tags": [],
"reasons": {}
},
{
"tool": "dispatch_qualitative_researcher",
"tags": [],
"reasons": {}
},
{
"tool": "dispatch_social_listening_researcher",
"tags": [],
"reasons": {}
},
{
"tool": "dispatch_desk_researcher_async",
"tags": [],
"reasons": {}
},
{
"tool": "dispatch_trend_researcher_async",
"tags": [],
"reasons": {}
},
{
"tool": "dispatch_market_analyst_async",
"tags": [],
"reasons": {}
},
{
"tool": "dispatch_quantitative_researcher_async",
"tags": [],
"reasons": {}
},
{
"tool": "dispatch_qualitative_researcher_async",
"tags": [],
"reasons": {}
},
{
"tool": "dispatch_social_listening_researcher_async",
"tags": [],
"reasons": {}
},
{
"tool": "dispatch_head_of_research",
"tags": [],
"reasons": {}
},
{
"tool": "get_dispatch_result",
"tags": [],
"reasons": {}
},
{
"tool": "get_fleet_cost",
"tags": [],
"reasons": {}
},
{
"tool": "list_saved_assets",
"tags": [],
"reasons": {}
},
{
"tool": "get_saved_asset",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "get_saved_assets_batch",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "save_asset",
"tags": [],
"reasons": {}
},
{
"tool": "delete_saved_asset",
"tags": [],
"reasons": {}
},
{
"tool": "favorite_saved_asset",
"tags": [],
"reasons": {}
},
{
"tool": "list_strategy_audiences",
"tags": [],
"reasons": {}
},
{
"tool": "get_strategy",
"tags": [],
"reasons": {}
},
{
"tool": "list_strategy_tones",
"tags": [],
"reasons": {}
},
{
"tool": "list_visual_style_presets",
"tags": [],
"reasons": {}
},
{
"tool": "get_visual_style_preset",
"tags": [],
"reasons": {}
},
{
"tool": "list_visual_preset_presets",
"tags": [],
"reasons": {}
},
{
"tool": "get_visual_preset_preset",
"tags": [],
"reasons": {}
},
{
"tool": "list_decoded_ad_presets",
"tags": [],
"reasons": {}
},
{
"tool": "get_decoded_ad_preset",
"tags": [],
"reasons": {}
},
{
"tool": "list_ad_formula_presets",
"tags": [],
"reasons": {}
},
{
"tool": "get_ad_formula_preset",
"tags": [],
"reasons": {}
},
{
"tool": "list_image_ad_scan_presets",
"tags": [],
"reasons": {}
},
{
"tool": "get_image_ad_scan_preset",
"tags": [],
"reasons": {}
},
{
"tool": "list_saved_visual_idea_presets",
"tags": [],
"reasons": {}
},
{
"tool": "get_saved_visual_idea_preset",
"tags": [],
"reasons": {}
},
{
"tool": "list_creative_agent_presets",
"tags": [],
"reasons": {}
},
{
"tool": "get_creative_agent_preset",
"tags": [],
"reasons": {}
},
{
"tool": "list_creative_agent_skill_presets",
"tags": [],
"reasons": {}
},
{
"tool": "get_creative_agent_skill_preset",
"tags": [],
"reasons": {}
},
{
"tool": "list_creative_director_playbook_presets",
"tags": [],
"reasons": {}
},
{
"tool": "get_creative_director_playbook_preset",
"tags": [],
"reasons": {}
},
{
"tool": "list_talent_model_presets",
"tags": [],
"reasons": {}
},
{
"tool": "get_talent_model_preset",
"tags": [],
"reasons": {}
},
{
"tool": "list_outfit_presets",
"tags": [],
"reasons": {}
},
{
"tool": "get_outfit_preset",
"tags": [],
"reasons": {}
},
{
"tool": "list_cd_card_bookmark_presets",
"tags": [],
"reasons": {}
},
{
"tool": "get_cd_card_bookmark_preset",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_intel_stats",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_search_decoded_ads",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_decoded_ad",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_list_brand_reports",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_brand_report",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_list_intelligence_articles",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_analytics_overview",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_analytics_top_pages",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_analytics_trend",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_gsc_summary",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_gsc_top_queries",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_gsc_top_pages",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_gsc_query",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_gsc_inspect_url",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"crawl\""
]
}
},
{
"tool": "fleet_gsc_sitemaps",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"download\""
]
}
},
{
"tool": "fleet_crawler_hits",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_site_audit_summary",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"crawl\""
]
}
},
{
"tool": "fleet_site_pages",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"crawl\""
]
}
},
{
"tool": "fleet_site_links",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_seo_recovery",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"crawl\""
]
}
},
{
"tool": "fleet_list_issues",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_get_issue",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_create_issue",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"create_issue\""
]
}
},
{
"tool": "fleet_product_funnel_counts",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_product_user_summary",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_product_signups_recent",
"tags": [],
"reasons": {}
},
{
"tool": "fleet_product_funnel_summary",
"tags": [],
"reasons": {}
},
{
"tool": "creative_get_authoring_contract",
"tags": [],
"reasons": {}
},
{
"tool": "creative_list_articles",
"tags": [],
"reasons": {}
},
{
"tool": "creative_get_draft",
"tags": [],
"reasons": {}
},
{
"tool": "creative_get_shelf",
"tags": [],
"reasons": {}
},
{
"tool": "creative_save_draft",
"tags": [],
"reasons": {}
},
{
"tool": "creative_publish_article",
"tags": [],
"reasons": {}
},
{
"tool": "creative_delete_draft",
"tags": [],
"reasons": {}
},
{
"tool": "creative_update_slug",
"tags": [],
"reasons": {}
},
{
"tool": "creative_unpublish_article",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "fe8c4ad26a39e0d23a6d7723e3c7e091f1ad4f6fba4360b332bb21f1e52eeb25",
"stats": {
"tools": 118,
"prompts": 33,
"resources": 1,
"findingsBySeverity": {
"critical": 0,
"high": 1,
"medium": 7,
"low": 0,
"info": 1
}
}
}