Jira — 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": "@rui.branco/jira-mcp",
"source": {
"kind": "package",
"origin": "@rui.branco/jira-mcp"
},
"server": {
"name": "@rui.branco/jira-mcp"
}
},
"grade": "B",
"score": {
"score": 84,
"threatScore": 94,
"grade": "B",
"band": "B",
"categorySubtotals": {
"injection": 6.3,
"exfiltration": 0,
"permissions": 0,
"supply-chain": 0,
"network": 0,
"hygiene": 0
},
"vector": [
{
"kind": "threat",
"ruleId": "MTC-SRC-009",
"category": "injection",
"severity": "medium",
"confidence": "strong",
"rawWeight": 9,
"confidenceMult": 0.7,
"diminishingFactor": 1,
"appliedPenalty": 6.3
},
{
"kind": "client",
"term": "capability-exposure",
"level": "critical",
"label": "capability blast radius (critical) — client exposure if the model is manipulated",
"appliedPenalty": 10
},
{
"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": "critical",
"reasons": [
"ingests untrusted external content (a prompt-injection entry point)",
"can send data / act on an external service",
"can create, modify or delete files",
"can execute shell commands or code",
"untrusted input can reach code execution"
],
"tags": [
"external-sink",
"untrusted-input",
"file-write",
"code-exec"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (59 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-002",
"title": "Shell/command execution in server code (index.js)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`index.js:21`): 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": "index.js"
},
"evidence": ", execSync } = require(\"child_process\"); // Auto-update: check GitHub for new commits, install in background const GITH",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "index.js",
"line": 21,
"nonRuntime": false
}
},
{
"ruleId": "MTC-FLOW-005",
"title": "Untrusted input can drive an external action",
"category": "exfiltration",
"severity": "medium",
"confidence": "strong",
"description": "Untrusted-input tools ([jira_get_ticket, confluence_get_page_children, confluence_get_page, confluence_download_attachment]) co-exist with external-action tools ([jira-mcp]). 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": "jira_get_ticket → jira-mcp"
},
"evidence": "untrusted [jira_get_ticket, confluence_get_page_children, confluence_get_page, confluence_download_attachment] → sinks [jira-mcp]",
"owasp": "LLM06:2025 Excessive Agency",
"references": [],
"data": {
"untrusted": [
"jira_get_ticket",
"confluence_get_page_children",
"confluence_get_page",
"confluence_download_attachment"
],
"sinks": [
"jira-mcp"
]
}
},
{
"ruleId": "MTC-SRC-009",
"title": "Untrusted input concatenated into a command sink (index.js)",
"category": "injection",
"severity": "medium",
"confidence": "strong",
"description": "In the server's implementation (`index.js:30`): A shell/process command assembled from concatenated or interpolated values is command injection when any part is attacker-influenced — the OWASP canonical RCE flow. Verify what reaches the interpolated value. 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": "index.js"
},
"evidence": "\"\"; const remoteSha = execSync( `git ls-remote https://github.com/${GITHUB_REPO}.git HEAD`, { stdio: \"pipe\", t",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-009",
"file": "index.js",
"line": 30,
"nonRuntime": false
}
},
{
"ruleId": "MTC-CAP-002",
"title": "Tool \"jira_unlink_tickets\" can modify the filesystem",
"category": "permissions",
"severity": "medium",
"confidence": "strong",
"description": "Tool \"jira_unlink_tickets\" can write, overwrite or delete files (keyword \"unlink\" 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": "jira_unlink_tickets"
},
"data": {
"tags": [
"file-write"
]
}
},
{
"ruleId": "MTC-CAP-005",
"title": "Mutating tool \"jira_unlink_tickets\" declares no destructiveHint",
"category": "hygiene",
"severity": "low",
"confidence": "heuristic",
"description": "Tool \"jira_unlink_tickets\" 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": "jira_unlink_tickets"
},
"data": {
"tags": [
"file-write"
]
}
}
],
"toxicFlows": [
{
"id": "flow-1",
"severity": "medium",
"confidence": "strong",
"untrustedInput": [
"jira_get_ticket",
"confluence_get_page_children",
"confluence_get_page",
"confluence_download_attachment"
],
"sensitiveSource": [],
"externalSink": [
"jira-mcp"
],
"selfContained": false,
"description": "Untrusted input can drive an external action even though no sensitive source is exposed."
}
],
"capabilities": [
{
"tool": "jira-mcp",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"http_request\""
]
}
},
{
"tool": "jira_get_myself",
"tags": [],
"reasons": {}
},
{
"tool": "jira_get_ticket",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "jira_search",
"tags": [],
"reasons": {}
},
{
"tool": "jira_add_comment",
"tags": [],
"reasons": {}
},
{
"tool": "jira_reply_comment",
"tags": [],
"reasons": {}
},
{
"tool": "jira_edit_comment",
"tags": [],
"reasons": {}
},
{
"tool": "jira_delete_comment",
"tags": [],
"reasons": {}
},
{
"tool": "jira_transition",
"tags": [],
"reasons": {}
},
{
"tool": "jira_update_ticket",
"tags": [],
"reasons": {}
},
{
"tool": "jira_search_users",
"tags": [],
"reasons": {}
},
{
"tool": "jira_get_changelog",
"tags": [],
"reasons": {}
},
{
"tool": "jira_add_instance",
"tags": [],
"reasons": {}
},
{
"tool": "jira_remove_instance",
"tags": [],
"reasons": {}
},
{
"tool": "jira_list_instances",
"tags": [],
"reasons": {}
},
{
"tool": "jira_get_teams",
"tags": [],
"reasons": {}
},
{
"tool": "jira_create_ticket",
"tags": [],
"reasons": {}
},
{
"tool": "jira_create_subtask",
"tags": [],
"reasons": {}
},
{
"tool": "jira_link_tickets",
"tags": [],
"reasons": {}
},
{
"tool": "jira_delete_ticket",
"tags": [],
"reasons": {}
},
{
"tool": "jira_add_attachment",
"tags": [],
"reasons": {}
},
{
"tool": "jira_get_link_types",
"tags": [],
"reasons": {}
},
{
"tool": "jira_get_transitions",
"tags": [],
"reasons": {}
},
{
"tool": "jira_unlink_tickets",
"tags": [
"file-write"
],
"reasons": {
"file-write": [
"keyword \"unlink\" in tool name"
]
}
},
{
"tool": "jira_remove_attachment",
"tags": [],
"reasons": {}
},
{
"tool": "jira_add_watcher",
"tags": [],
"reasons": {}
},
{
"tool": "jira_remove_watcher",
"tags": [],
"reasons": {}
},
{
"tool": "jira_add_worklog",
"tags": [],
"reasons": {}
},
{
"tool": "jira_get_worklogs",
"tags": [],
"reasons": {}
},
{
"tool": "jira_clone_ticket",
"tags": [],
"reasons": {}
},
{
"tool": "jira_move_to_sprint",
"tags": [],
"reasons": {}
},
{
"tool": "jira_get_sprints",
"tags": [],
"reasons": {}
},
{
"tool": "jira_get_boards",
"tags": [],
"reasons": {}
},
{
"tool": "jira_get_issue_types",
"tags": [],
"reasons": {}
},
{
"tool": "jira_get_priorities",
"tags": [],
"reasons": {}
},
{
"tool": "jira_get_components",
"tags": [],
"reasons": {}
},
{
"tool": "jira_get_versions",
"tags": [],
"reasons": {}
},
{
"tool": "confluence_get_spaces",
"tags": [],
"reasons": {}
},
{
"tool": "confluence_get_space",
"tags": [],
"reasons": {}
},
{
"tool": "confluence_create_space",
"tags": [],
"reasons": {}
},
{
"tool": "confluence_update_space",
"tags": [],
"reasons": {}
},
{
"tool": "confluence_delete_space",
"tags": [],
"reasons": {}
},
{
"tool": "confluence_search",
"tags": [],
"reasons": {}
},
{
"tool": "confluence_get_recent_pages",
"tags": [],
"reasons": {}
},
{
"tool": "confluence_get_space_root_pages",
"tags": [],
"reasons": {}
},
{
"tool": "confluence_get_page_children",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"get_page\""
]
}
},
{
"tool": "confluence_get_page",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "confluence_get_comments",
"tags": [],
"reasons": {}
},
{
"tool": "confluence_add_comment",
"tags": [],
"reasons": {}
},
{
"tool": "confluence_update_page",
"tags": [],
"reasons": {}
},
{
"tool": "confluence_create_page",
"tags": [],
"reasons": {}
},
{
"tool": "confluence_delete_page",
"tags": [],
"reasons": {}
},
{
"tool": "confluence_get_labels",
"tags": [],
"reasons": {}
},
{
"tool": "confluence_add_label",
"tags": [],
"reasons": {}
},
{
"tool": "confluence_remove_label",
"tags": [],
"reasons": {}
},
{
"tool": "confluence_list_attachments",
"tags": [],
"reasons": {}
},
{
"tool": "confluence_upload_attachment",
"tags": [],
"reasons": {}
},
{
"tool": "confluence_download_attachment",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"download\""
]
}
},
{
"tool": "confluence_enable",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "0905a9aa96c14f2a420ebdf34aacba1b9b12ee563e265eb43ac14ed5514f65e6",
"stats": {
"tools": 59,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 1,
"medium": 3,
"low": 1,
"info": 0
}
}
}