Chaprola — 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": "@chaprola/mcp-server",
"source": {
"kind": "package",
"origin": "@chaprola/mcp-server"
},
"server": {
"name": "@chaprola/mcp-server"
}
},
"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 create, modify or delete files",
"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",
"sensitive-source",
"file-write",
"external-sink"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (65 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: chaprola_download → chaprola_list → chaprola_app_deploy_inline. 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": "chaprola_download → chaprola_list → chaprola_app_deploy_inline"
},
"owasp": "LLM02:2025 Sensitive Information Disclosure",
"references": [],
"data": {
"untrusted": [
"chaprola_import_download",
"chaprola_download",
"chaprola_fetch"
],
"sources": [
"chaprola_list"
],
"sinks": [
"chaprola_app_deploy_inline"
],
"path": [
"chaprola_download",
"chaprola_list",
"chaprola_app_deploy_inline"
],
"edges": [
{
"from": "chaprola_download",
"to": "chaprola_list",
"kind": "agent-mediated"
},
{
"from": "chaprola_list",
"to": "chaprola_app_deploy_inline",
"kind": "agent-mediated"
}
],
"wired": false
}
},
{
"ruleId": "MTC-CAP-002",
"title": "Tool \"chaprola_delete_file\" can modify the filesystem",
"category": "permissions",
"severity": "medium",
"confidence": "strong",
"description": "Tool \"chaprola_delete_file\" can write, overwrite or delete files (keyword \"delete_file\" in tool name). Verify it is scoped to a safe directory.",
"remediation": "Constrain file operations to an explicit, non-sensitive root; reject path traversal.",
"location": {
"kind": "tool",
"name": "chaprola_delete_file"
},
"data": {
"tags": [
"file-write"
]
}
},
{
"ruleId": "MTC-CAP-005",
"title": "Mutating tool \"chaprola_delete_file\" declares no destructiveHint",
"category": "hygiene",
"severity": "low",
"confidence": "heuristic",
"description": "Tool \"chaprola_delete_file\" can mutate/egress but declares no destructiveHint. Clients that don't default to spec-safe behavior may not prompt before running it.",
"remediation": "Declare accurate annotations, and gate destructive tools on user confirmation regardless.",
"location": {
"kind": "tool",
"name": "chaprola_delete_file"
},
"data": {
"tags": [
"file-write"
]
}
}
],
"toxicFlows": [
{
"id": "flow-1",
"severity": "critical",
"confidence": "strong",
"untrustedInput": [
"chaprola_import_download",
"chaprola_download",
"chaprola_fetch"
],
"sensitiveSource": [
"chaprola_list"
],
"externalSink": [
"chaprola_app_deploy_inline"
],
"selfContained": false,
"path": [
"chaprola_download",
"chaprola_list",
"chaprola_app_deploy_inline"
],
"pathWired": false,
"description": "A cross-tool exfiltration chain exists: chaprola_download → chaprola_list → chaprola_app_deploy_inline."
}
],
"capabilities": [
{
"tool": "chaprola_hello",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_help",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_register",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_login",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_check_username",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_delete_account",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_baa_text",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_report",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_report_params",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_sign_baa",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_baa_status",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_import",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_import_url",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_import_process",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_import_download",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"download\""
]
}
},
{
"tool": "chaprola_export",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_list",
"tags": [
"sensitive-source"
],
"reasons": {
"sensitive-source": [
"keyword \"list_files\""
]
}
},
{
"tool": "chaprola_delete_file",
"tags": [
"file-write"
],
"reasons": {
"file-write": [
"keyword \"delete_file\" in tool name"
]
}
},
{
"tool": "chaprola_delete_project",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_rename_project",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_compile",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_run",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_run_status",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_run_each",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_systemhelp",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_publish",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_unpublish",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_export_report",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_download",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"download\""
]
}
},
{
"tool": "chaprola_query",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_sort",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_index",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_merge",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_format",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_alter",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_intent",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_config",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_optimize",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_optimize_status",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_email_inbox",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_email_read",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_email_send",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_email_delete",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_email_forward",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_search",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_relations",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_rag_search",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_fetch",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "chaprola_schedule",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_schedule_list",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_schedule_delete",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_insert_record",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_upsert_record",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_update_record",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_delete_record",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_consolidate",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_challenge",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_create_site_key",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_list_site_keys",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_delete_site_key",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_app_deploy",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_app_deploy_process",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_app_upload",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_app_upload_inline",
"tags": [],
"reasons": {}
},
{
"tool": "chaprola_app_deploy_inline",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"curl\""
]
}
}
],
"surfaceDigest": "54d8d2db4bff0523950dd1edd23a8c5a65d47cc244676d235f903264b7f40e18",
"stats": {
"tools": 65,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 1,
"high": 0,
"medium": 1,
"low": 1,
"info": 0
}
}
}