Warp — 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": "warp-mcp",
"source": {
"kind": "package",
"origin": "warp-mcp"
},
"server": {
"name": "warp-mcp"
}
},
"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": [
"ingests untrusted external content (a prompt-injection entry point)",
"can send data / act on an external service",
"reads sensitive or local data",
"has a read → egress path (a data-exfiltration surface)",
"untrusted-input, sensitive-source and egress co-exist across tools (toxic-flow surface)"
],
"tags": [
"untrusted-input",
"external-sink",
"sensitive-source"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (135 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-FLOW-002",
"title": "Completed toxic-flow trifecta across tools",
"category": "exfiltration",
"severity": "critical",
"confidence": "strong",
"description": "This server (without client built-ins) exposes a complete data-exfiltration chain: cdr_export_csv → num_update_sms → msg_get. Untrusted input is ingested, private data is read, and it can be sent to an external sink via the agent composing the tools (→). Static analysis proves the primitive exists, not that a specific run will occur.",
"remediation": "Remove one leg of the trifecta: isolate untrusted-input tools from secret-reading tools and from egress tools, or require human approval between them.",
"location": {
"kind": "flow",
"name": "cdr_export_csv → num_update_sms → msg_get"
},
"owasp": "LLM02:2025 Sensitive Information Disclosure",
"references": [],
"data": {
"untrusted": [
"cdr_export_csv",
"msg_list_use_cases",
"num_list",
"port_download_document"
],
"sources": [
"num_update_sms"
],
"sinks": [
"msg_send",
"msg_get",
"msg_remove_numbers",
"msg_list_numbers",
"num_get",
"num_update_metadata",
"num_order",
"num_update_sms",
"num_delete_sms_config"
],
"path": [
"cdr_export_csv",
"num_update_sms",
"msg_get"
],
"edges": [
{
"from": "cdr_export_csv",
"to": "num_update_sms",
"kind": "agent-mediated"
},
{
"from": "num_update_sms",
"to": "msg_get",
"kind": "agent-mediated"
}
],
"wired": false
}
},
{
"ruleId": "MTC-FLOW-003",
"title": "Read-and-egress in one tool: \"num_update_sms\"",
"category": "exfiltration",
"severity": "high",
"confidence": "strong",
"description": "Tool \"num_update_sms\" can both read sensitive data and send data to an external destination. Even without an explicit untrusted-input leg, this is a single-call data-exfiltration path if the model is ever manipulated.",
"remediation": "Separate reading from sending; require explicit user confirmation before egress of file/secret contents.",
"location": {
"kind": "flow",
"name": "num_update_sms"
},
"owasp": "LLM02:2025 Sensitive Information Disclosure",
"references": [],
"data": {
"tags": [
"external-sink",
"sensitive-source"
]
}
},
{
"ruleId": "MTC-CAP-007",
"title": "Unconstrained URL/host parameter \"inbound_webhook_url\" on \"num_update_sms\"",
"category": "network",
"severity": "medium",
"confidence": "heuristic",
"description": "Tool \"num_update_sms\" takes a URL/host parameter \"inbound_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": "num_update_sms",
"field": "inputSchema.properties.inbound_webhook_url"
},
"owasp": "LLM06:2025 Excessive Agency",
"data": {
"param": "inbound_webhook_url"
}
},
{
"ruleId": "MTC-CAP-007",
"title": "Unconstrained URL/host parameter \"fallback_inbound_url\" on \"num_update_sms\"",
"category": "network",
"severity": "medium",
"confidence": "heuristic",
"description": "Tool \"num_update_sms\" takes a URL/host parameter \"fallback_inbound_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": "num_update_sms",
"field": "inputSchema.properties.fallback_inbound_url"
},
"owasp": "LLM06:2025 Excessive Agency",
"data": {
"param": "fallback_inbound_url"
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in packaging/dev tooling (dist/setup.js)",
"category": "permissions",
"severity": "low",
"confidence": "heuristic",
"description": "In a packaging/dev/install script (shipped, but not the server runtime) (`dist/setup.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.js"
},
"evidence": "ecFileSync } from \"node:child_process\"; import { stdin, stdout } from \"node:process\"; import { CONFIG_DIR, CONFIG_FILE,",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "dist/setup.js",
"line": 3,
"nonRuntime": true
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in packaging/dev tooling (postinstall.js)",
"category": "permissions",
"severity": "low",
"confidence": "heuristic",
"description": "In a packaging/dev/install script (shipped, but not the server runtime) (`postinstall.js:4`): 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": "postinstall.js"
},
"evidence": "ecFileSync } from \"node:child_process\"; import { fileURLToPath } from \"node:url\"; import { join, dirname } from \"node:pa",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "postinstall.js",
"line": 4,
"nonRuntime": true
}
},
{
"ruleId": "MTC-SUP-010",
"title": "Package runs install-time scripts (postinstall)",
"category": "supply-chain",
"severity": "low",
"confidence": "heuristic",
"description": "\"warp-mcp\" 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": "warp-mcp"
},
"evidence": "node postinstall.js",
"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": [
{
"id": "flow-1",
"severity": "critical",
"confidence": "strong",
"untrustedInput": [
"cdr_export_csv",
"msg_list_use_cases",
"num_list",
"port_download_document"
],
"sensitiveSource": [
"num_update_sms"
],
"externalSink": [
"msg_send",
"msg_get",
"msg_remove_numbers",
"msg_list_numbers",
"num_get",
"num_update_metadata",
"num_order",
"num_update_sms",
"num_delete_sms_config"
],
"selfContained": false,
"path": [
"cdr_export_csv",
"num_update_sms",
"msg_get"
],
"pathWired": false,
"description": "A cross-tool exfiltration chain exists: cdr_export_csv → num_update_sms → msg_get."
},
{
"id": "flow-2",
"severity": "high",
"confidence": "strong",
"untrustedInput": [],
"sensitiveSource": [
"num_update_sms"
],
"externalSink": [
"num_update_sms"
],
"selfContained": true,
"description": "Tool \"num_update_sms\" both reads sensitive data and can send it externally."
}
],
"capabilities": [
{
"tool": "warp_status",
"tags": [],
"reasons": {}
},
{
"tool": "acct_get_capacity",
"tags": [],
"reasons": {}
},
{
"tool": "acct_get_balance",
"tags": [],
"reasons": {}
},
{
"tool": "acct_get_utilization",
"tags": [],
"reasons": {}
},
{
"tool": "acct_list_scopes",
"tags": [],
"reasons": {}
},
{
"tool": "net_get_ingress_ips",
"tags": [],
"reasons": {}
},
{
"tool": "net_get_vendor_ips",
"tags": [],
"reasons": {}
},
{
"tool": "key_list",
"tags": [],
"reasons": {}
},
{
"tool": "key_get",
"tags": [],
"reasons": {}
},
{
"tool": "key_get_audit",
"tags": [],
"reasons": {}
},
{
"tool": "key_get_audit_all",
"tags": [],
"reasons": {}
},
{
"tool": "cdr_get_details",
"tags": [],
"reasons": {}
},
{
"tool": "cdr_export_csv",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"download\""
]
}
},
{
"tool": "cdr_get_statistics",
"tags": [],
"reasons": {}
},
{
"tool": "cdr_get_trends",
"tags": [],
"reasons": {}
},
{
"tool": "cdr_get_dashboard_stats",
"tags": [],
"reasons": {}
},
{
"tool": "bill_get_balance",
"tags": [],
"reasons": {}
},
{
"tool": "bill_list_ledger",
"tags": [],
"reasons": {}
},
{
"tool": "bill_list_invoices",
"tags": [],
"reasons": {}
},
{
"tool": "bill_get_invoice",
"tags": [],
"reasons": {}
},
{
"tool": "bill_get_invoice_html",
"tags": [],
"reasons": {}
},
{
"tool": "msg_list",
"tags": [],
"reasons": {}
},
{
"tool": "msg_send",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"sms\""
]
}
},
{
"tool": "msg_get",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"sms\""
]
}
},
{
"tool": "msg_get_stats",
"tags": [],
"reasons": {}
},
{
"tool": "msg_list_brands",
"tags": [],
"reasons": {}
},
{
"tool": "msg_create_brand",
"tags": [],
"reasons": {}
},
{
"tool": "msg_get_brand",
"tags": [],
"reasons": {}
},
{
"tool": "msg_update_brand",
"tags": [],
"reasons": {}
},
{
"tool": "msg_delete_brand",
"tags": [],
"reasons": {}
},
{
"tool": "msg_link_brand",
"tags": [],
"reasons": {}
},
{
"tool": "msg_lookup_brand",
"tags": [],
"reasons": {}
},
{
"tool": "msg_list_campaigns",
"tags": [],
"reasons": {}
},
{
"tool": "msg_create_campaign",
"tags": [],
"reasons": {}
},
{
"tool": "msg_get_campaign",
"tags": [],
"reasons": {}
},
{
"tool": "msg_update_campaign",
"tags": [],
"reasons": {}
},
{
"tool": "msg_resubmit_campaign",
"tags": [],
"reasons": {}
},
{
"tool": "msg_elect_cnp",
"tags": [],
"reasons": {}
},
{
"tool": "msg_nudge_cnp",
"tags": [],
"reasons": {}
},
{
"tool": "msg_get_mno_status",
"tags": [],
"reasons": {}
},
{
"tool": "msg_get_sharing_status",
"tags": [],
"reasons": {}
},
{
"tool": "msg_link_campaign",
"tags": [],
"reasons": {}
},
{
"tool": "msg_lookup_campaign",
"tags": [],
"reasons": {}
},
{
"tool": "msg_list_campaign_numbers",
"tags": [],
"reasons": {}
},
{
"tool": "msg_assign_numbers",
"tags": [],
"reasons": {}
},
{
"tool": "msg_remove_numbers",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"sms\""
]
}
},
{
"tool": "msg_list_numbers",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"webhook\""
]
}
},
{
"tool": "msg_list_carriers",
"tags": [],
"reasons": {}
},
{
"tool": "msg_list_dcas",
"tags": [],
"reasons": {}
},
{
"tool": "msg_list_entity_types",
"tags": [],
"reasons": {}
},
{
"tool": "msg_list_use_cases",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "msg_get_use_case_requirements",
"tags": [],
"reasons": {}
},
{
"tool": "msg_list_verticals",
"tags": [],
"reasons": {}
},
{
"tool": "msg_get_throughput_estimate",
"tags": [],
"reasons": {}
},
{
"tool": "num_list",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"browse\""
]
}
},
{
"tool": "num_search",
"tags": [],
"reasons": {}
},
{
"tool": "num_get",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"sms\""
]
}
},
{
"tool": "num_update_metadata",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"sms\""
]
}
},
{
"tool": "num_order",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"sms\""
]
}
},
{
"tool": "num_bulk_order",
"tags": [],
"reasons": {}
},
{
"tool": "num_bulk_route",
"tags": [],
"reasons": {}
},
{
"tool": "num_release",
"tags": [],
"reasons": {}
},
{
"tool": "num_update_voice",
"tags": [],
"reasons": {}
},
{
"tool": "num_delete_voice_config",
"tags": [],
"reasons": {}
},
{
"tool": "num_update_sms",
"tags": [
"external-sink",
"sensitive-source"
],
"reasons": {
"external-sink": [
"keyword \"webhook\"",
"parameter \"webhook\""
],
"sensitive-source": [
"parameter \"secret\""
]
}
},
{
"tool": "num_delete_sms_config",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"sms\""
]
}
},
{
"tool": "num_get_port_out_pin",
"tags": [],
"reasons": {}
},
{
"tool": "num_set_port_out_pin",
"tags": [],
"reasons": {}
},
{
"tool": "num_remove_port_out_pin",
"tags": [],
"reasons": {}
},
{
"tool": "port_preview",
"tags": [],
"reasons": {}
},
{
"tool": "port_list_requests",
"tags": [],
"reasons": {}
},
{
"tool": "port_create_request",
"tags": [],
"reasons": {}
},
{
"tool": "port_get_request",
"tags": [],
"reasons": {}
},
{
"tool": "port_delete_draft",
"tags": [],
"reasons": {}
},
{
"tool": "port_add_tns",
"tags": [],
"reasons": {}
},
{
"tool": "port_validate_request",
"tags": [],
"reasons": {}
},
{
"tool": "port_revalidate_tns",
"tags": [],
"reasons": {}
},
{
"tool": "port_submit_request",
"tags": [],
"reasons": {}
},
{
"tool": "port_resubmit_request",
"tags": [],
"reasons": {}
},
{
"tool": "port_activate",
"tags": [],
"reasons": {}
},
{
"tool": "port_set_auto_activation",
"tags": [],
"reasons": {}
},
{
"tool": "port_cancel_request",
"tags": [],
"reasons": {}
},
{
"tool": "port_supplement_due_date",
"tags": [],
"reasons": {}
},
{
"tool": "port_get_error_groups",
"tags": [],
"reasons": {}
},
{
"tool": "port_auto_fix",
"tags": [],
"reasons": {}
},
{
"tool": "port_set_group_details",
"tags": [],
"reasons": {}
},
{
"tool": "port_generate_loa",
"tags": [],
"reasons": {}
},
{
"tool": "port_list_documents",
"tags": [],
"reasons": {}
},
{
"tool": "port_upload_document",
"tags": [],
"reasons": {}
},
{
"tool": "port_download_document",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"download\""
]
}
},
{
"tool": "port_delete_document",
"tags": [],
"reasons": {}
},
{
"tool": "port_get_progress",
"tags": [],
"reasons": {}
},
{
"tool": "port_get_statistics",
"tags": [],
"reasons": {}
},
{
"tool": "port_get_history",
"tags": [],
"reasons": {}
},
{
"tool": "port_list_notes",
"tags": [],
"reasons": {}
},
{
"tool": "port_add_note",
"tags": [],
"reasons": {}
},
{
"tool": "port_preview_transfer",
"tags": [],
"reasons": {}
},
{
"tool": "port_execute_transfer",
"tags": [],
"reasons": {}
},
{
"tool": "port_lookup_company_details",
"tags": [],
"reasons": {}
},
{
"tool": "port_lookup_ein",
"tags": [],
"reasons": {}
},
{
"tool": "port_validate_ein_format",
"tags": [],
"reasons": {}
},
{
"tool": "port_verify_tin_name",
"tags": [],
"reasons": {}
},
{
"tool": "team_list_members",
"tags": [],
"reasons": {}
},
{
"tool": "team_remove_member",
"tags": [],
"reasons": {}
},
{
"tool": "team_update_member_role",
"tags": [],
"reasons": {}
},
{
"tool": "team_list_roles",
"tags": [],
"reasons": {}
},
{
"tool": "team_get_role",
"tags": [],
"reasons": {}
},
{
"tool": "team_create_role",
"tags": [],
"reasons": {}
},
{
"tool": "team_update_role",
"tags": [],
"reasons": {}
},
{
"tool": "team_duplicate_role",
"tags": [],
"reasons": {}
},
{
"tool": "team_delete_role",
"tags": [],
"reasons": {}
},
{
"tool": "trunk_list",
"tags": [],
"reasons": {}
},
{
"tool": "trunk_get",
"tags": [],
"reasons": {}
},
{
"tool": "trunk_create",
"tags": [],
"reasons": {}
},
{
"tool": "trunk_update",
"tags": [],
"reasons": {}
},
{
"tool": "trunk_delete",
"tags": [],
"reasons": {}
},
{
"tool": "trunk_get_cascade_preview",
"tags": [],
"reasons": {}
},
{
"tool": "trunk_get_throttle_state",
"tags": [],
"reasons": {}
},
{
"tool": "trunk_list_credentials",
"tags": [],
"reasons": {}
},
{
"tool": "trunk_create_credential",
"tags": [],
"reasons": {}
},
{
"tool": "trunk_update_credential",
"tags": [],
"reasons": {}
},
{
"tool": "trunk_delete_credential",
"tags": [],
"reasons": {}
},
{
"tool": "trunk_rotate_credential",
"tags": [],
"reasons": {}
},
{
"tool": "trunk_list_credential_calls",
"tags": [],
"reasons": {}
},
{
"tool": "trunk_list_credential_registrations",
"tags": [],
"reasons": {}
},
{
"tool": "trunk_revoke_registration",
"tags": [],
"reasons": {}
},
{
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