Discord Mcp Plus — the complete, unedited output of the deterministic mcptrustchecker engine v1.9.0, scanned . Every finding, capability tag and score component below is exactly what the engine produced — no AI, no post-processing.
{
"tool": {
"name": "mcptrustchecker",
"version": "1.9.0",
"methodologyVersion": "mcptrustchecker-1.9"
},
"target": {
"id": "discord-mcp-plus",
"source": {
"kind": "package",
"origin": "discord-mcp-plus"
},
"server": {
"name": "discord-mcp-plus"
}
},
"grade": "A",
"score": {
"score": 95,
"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": "none",
"label": "publisher verification (unlinked) — no provenance/repo link, but the shipped source was fully read",
"appliedPenalty": 2
},
{
"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-1.9"
},
"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 (43 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 ([get_messages, get_thread_messages, get_dm_history, read_forum_post, get_attachment_content]) co-exist with external-action tools ([send_message, send_message_with_attachment, create_webhook, delete_webhook, send_webhook_message]). 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": "get_messages → send_message"
},
"evidence": "untrusted [get_messages, get_thread_messages, get_dm_history, read_forum_post, get_attachment_content] → sinks [send_message, send_message_with_attachment, crea",
"owasp": "LLM06:2025 Excessive Agency",
"references": [],
"data": {
"untrusted": [
"get_messages",
"get_thread_messages",
"get_dm_history",
"read_forum_post",
"get_attachment_content"
],
"sinks": [
"send_message",
"send_message_with_attachment",
"create_webhook",
"delete_webhook",
"send_webhook_message"
]
}
},
{
"ruleId": "MTC-CAP-007",
"title": "Unconstrained URL/host parameter \"url\" on \"send_message_with_attachment\"",
"category": "network",
"severity": "medium",
"confidence": "heuristic",
"description": "Tool \"send_message_with_attachment\" 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": "send_message_with_attachment",
"field": "inputSchema.properties.url"
},
"owasp": "LLM06:2025 Excessive Agency",
"data": {
"param": "url"
}
},
{
"ruleId": "MTC-CAP-007",
"title": "Unconstrained URL/host parameter \"url\" on \"get_attachment_content\"",
"category": "network",
"severity": "medium",
"confidence": "heuristic",
"description": "Tool \"get_attachment_content\" 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": "get_attachment_content",
"field": "inputSchema.properties.url"
},
"owasp": "LLM06:2025 Excessive Agency",
"data": {
"param": "url"
}
},
{
"ruleId": "MTC-SUP-012",
"title": "Package has no license",
"category": "hygiene",
"severity": "info",
"confidence": "strong",
"description": "\"discord-mcp-plus\" has no declared license. This is a legal/reuse concern, not a security finding.",
"location": {
"kind": "package",
"name": "discord-mcp-plus"
}
},
{
"ruleId": "MTC-SUP-011",
"title": "Package declares no source repository",
"category": "supply-chain",
"severity": "info",
"confidence": "strong",
"description": "\"discord-mcp-plus\" declares no repository URL, so its published artifact cannot be compared against reviewable source.",
"remediation": "Prefer packages that link to public, reviewable source.",
"location": {
"kind": "package",
"name": "discord-mcp-plus"
}
}
],
"toxicFlows": [
{
"id": "flow-1",
"severity": "medium",
"confidence": "strong",
"untrustedInput": [
"get_messages",
"get_thread_messages",
"get_dm_history",
"read_forum_post",
"get_attachment_content"
],
"sensitiveSource": [],
"externalSink": [
"send_message",
"send_message_with_attachment",
"create_webhook",
"delete_webhook",
"send_webhook_message"
],
"selfContained": false,
"description": "Untrusted input can drive an external action even though no sensitive source is exposed."
}
],
"capabilities": [
{
"tool": "get_server_info",
"tags": [],
"reasons": {}
},
{
"tool": "list_bot_permissions",
"tags": [],
"reasons": {}
},
{
"tool": "get_messages",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "send_message",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"send_message\""
]
}
},
{
"tool": "edit_message",
"tags": [],
"reasons": {}
},
{
"tool": "delete_message",
"tags": [],
"reasons": {}
},
{
"tool": "search_messages",
"tags": [],
"reasons": {}
},
{
"tool": "list_channels",
"tags": [],
"reasons": {}
},
{
"tool": "get_channel",
"tags": [],
"reasons": {}
},
{
"tool": "create_channel",
"tags": [],
"reasons": {}
},
{
"tool": "delete_channel",
"tags": [],
"reasons": {}
},
{
"tool": "list_members",
"tags": [],
"reasons": {}
},
{
"tool": "get_member",
"tags": [],
"reasons": {}
},
{
"tool": "list_roles",
"tags": [],
"reasons": {}
},
{
"tool": "add_role",
"tags": [],
"reasons": {}
},
{
"tool": "remove_role",
"tags": [],
"reasons": {}
},
{
"tool": "kick_member",
"tags": [],
"reasons": {}
},
{
"tool": "ban_member",
"tags": [],
"reasons": {}
},
{
"tool": "list_guilds",
"tags": [],
"reasons": {}
},
{
"tool": "get_guild",
"tags": [],
"reasons": {}
},
{
"tool": "list_threads",
"tags": [],
"reasons": {}
},
{
"tool": "create_thread",
"tags": [],
"reasons": {}
},
{
"tool": "get_thread_messages",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"read_message\""
]
}
},
{
"tool": "archive_thread",
"tags": [],
"reasons": {}
},
{
"tool": "add_thread_member",
"tags": [],
"reasons": {}
},
{
"tool": "remove_thread_member",
"tags": [],
"reasons": {}
},
{
"tool": "send_dm",
"tags": [],
"reasons": {}
},
{
"tool": "get_dm_history",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
]
}
},
{
"tool": "list_forum_posts",
"tags": [],
"reasons": {}
},
{
"tool": "create_forum_post",
"tags": [],
"reasons": {}
},
{
"tool": "read_forum_post",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"read_message\""
]
}
},
{
"tool": "send_message_with_attachment",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"send_message\""
]
}
},
{
"tool": "get_attachment_content",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"download\""
]
}
},
{
"tool": "wait_for_message",
"tags": [],
"reasons": {}
},
{
"tool": "add_reaction",
"tags": [],
"reasons": {}
},
{
"tool": "remove_reaction",
"tags": [],
"reasons": {}
},
{
"tool": "remove_user_reaction",
"tags": [],
"reasons": {}
},
{
"tool": "remove_all_reactions",
"tags": [],
"reasons": {}
},
{
"tool": "get_reactions",
"tags": [],
"reasons": {}
},
{
"tool": "create_webhook",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"webhook\""
]
}
},
{
"tool": "list_webhooks",
"tags": [],
"reasons": {}
},
{
"tool": "delete_webhook",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"webhook\""
]
}
},
{
"tool": "send_webhook_message",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"webhook\""
]
}
}
],
"surfaceDigest": "148194addbaeab9a64ae1c28a3e6cec77d5f1e0a04946430d5b53c3024c3a753",
"stats": {
"tools": 43,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 0,
"medium": 3,
"low": 0,
"info": 2
}
}
}