Railway — 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": "@crisog/railway-mcp-server",
"source": {
"kind": "package",
"origin": "@crisog/railway-mcp-server"
},
"server": {
"name": "@crisog/railway-mcp-server"
}
},
"grade": "A",
"score": {
"score": 97,
"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": "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": "moderate",
"reasons": [
"ingests untrusted external content (a prompt-injection entry point)",
"can send data / act on an external service"
],
"tags": [
"untrusted-input",
"external-sink"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (51 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-005",
"title": "Untrusted input can drive an external action",
"category": "exfiltration",
"severity": "medium",
"confidence": "strong",
"description": "Untrusted-input tools ([railway_deployment_get, railway_deployment_logs, railway_deployment_events, railway_environment_logs, railway_template_get]) co-exist with external-action tools ([railway_observability_http_logs]). 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": "railway_deployment_get → railway_observability_http_logs"
},
"evidence": "untrusted [railway_deployment_get, railway_deployment_logs, railway_deployment_events, railway_environment_logs, railway_template_get] → sinks [railway_observab",
"owasp": "LLM06:2025 Excessive Agency",
"references": [],
"data": {
"untrusted": [
"railway_deployment_get",
"railway_deployment_logs",
"railway_deployment_events",
"railway_environment_logs",
"railway_template_get"
],
"sinks": [
"railway_observability_http_logs"
]
}
}
],
"toxicFlows": [
{
"id": "flow-1",
"severity": "medium",
"confidence": "strong",
"untrustedInput": [
"railway_deployment_get",
"railway_deployment_logs",
"railway_deployment_events",
"railway_environment_logs",
"railway_template_get"
],
"sensitiveSource": [],
"externalSink": [
"railway_observability_http_logs"
],
"selfContained": false,
"description": "Untrusted input can drive an external action even though no sensitive source is exposed."
}
],
"capabilities": [
{
"tool": "railway_deployment_list",
"tags": [],
"reasons": {}
},
{
"tool": "railway_deployment_get",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "railway_deployment_logs",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "railway_deployment_redeploy",
"tags": [],
"reasons": {}
},
{
"tool": "railway_deployment_stop",
"tags": [],
"reasons": {}
},
{
"tool": "railway_deployment_restart",
"tags": [],
"reasons": {}
},
{
"tool": "railway_deployment_cancel",
"tags": [],
"reasons": {}
},
{
"tool": "railway_deployment_rollback",
"tags": [],
"reasons": {}
},
{
"tool": "railway_deployment_events",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "railway_domain_generate",
"tags": [],
"reasons": {}
},
{
"tool": "railway_domains_list",
"tags": [],
"reasons": {}
},
{
"tool": "railway_custom_domain_create",
"tags": [],
"reasons": {}
},
{
"tool": "railway_custom_domain_available",
"tags": [],
"reasons": {}
},
{
"tool": "railway_environments_list",
"tags": [],
"reasons": {}
},
{
"tool": "railway_environment_create",
"tags": [],
"reasons": {}
},
{
"tool": "railway_environment_rename",
"tags": [],
"reasons": {}
},
{
"tool": "railway_environment_logs",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "railway_environment_get_by_name",
"tags": [],
"reasons": {}
},
{
"tool": "railway_github_repos_list",
"tags": [],
"reasons": {}
},
{
"tool": "railway_github_branches_list",
"tags": [],
"reasons": {}
},
{
"tool": "railway_github_repo_deploy",
"tags": [],
"reasons": {}
},
{
"tool": "railway_private_network_create_or_get",
"tags": [],
"reasons": {}
},
{
"tool": "railway_private_networks_list",
"tags": [],
"reasons": {}
},
{
"tool": "railway_tcp_proxies_list",
"tags": [],
"reasons": {}
},
{
"tool": "railway_observability_http_logs",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"http_request\""
]
}
},
{
"tool": "railway_observability_build_logs",
"tags": [],
"reasons": {}
},
{
"tool": "railway_observability_events",
"tags": [],
"reasons": {}
},
{
"tool": "railway_projects_list",
"tags": [],
"reasons": {}
},
{
"tool": "railway_project_create",
"tags": [],
"reasons": {}
},
{
"tool": "railway_project_get",
"tags": [],
"reasons": {}
},
{
"tool": "railway_workspaces_list",
"tags": [],
"reasons": {}
},
{
"tool": "railway_services_list",
"tags": [],
"reasons": {}
},
{
"tool": "railway_service_get",
"tags": [],
"reasons": {}
},
{
"tool": "railway_service_update",
"tags": [],
"reasons": {}
},
{
"tool": "railway_service_deploy_latest",
"tags": [],
"reasons": {}
},
{
"tool": "railway_service_create",
"tags": [],
"reasons": {}
},
{
"tool": "railway_service_instance_build_command",
"tags": [],
"reasons": {}
},
{
"tool": "railway_service_instance_start_command",
"tags": [],
"reasons": {}
},
{
"tool": "railway_service_instance_predeploy",
"tags": [],
"reasons": {}
},
{
"tool": "railway_templates_list",
"tags": [],
"reasons": {}
},
{
"tool": "railway_template_get",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "railway_template_deploy",
"tags": [],
"reasons": {}
},
{
"tool": "railway_variables_render_for_deployment",
"tags": [],
"reasons": {}
},
{
"tool": "railway_variable_upsert",
"tags": [],
"reasons": {}
},
{
"tool": "railway_variables_collection_upsert",
"tags": [],
"reasons": {}
},
{
"tool": "railway_volume_create",
"tags": [],
"reasons": {}
},
{
"tool": "railway_volume_instance_backup_create",
"tags": [],
"reasons": {}
},
{
"tool": "railway_volume_instance_backup_list",
"tags": [],
"reasons": {}
},
{
"tool": "railway_volume_instance_backup_restore",
"tags": [],
"reasons": {}
},
{
"tool": "railway_volume_instances_list",
"tags": [],
"reasons": {}
},
{
"tool": "railway_workflow_status",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "ad7d3d82110d94e5044969e7522f189579c6fc283177472c34d4e71500420b29",
"stats": {
"tools": 51,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 0,
"medium": 1,
"low": 0,
"info": 0
}
}
}