Terramcp — 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": "terramcp",
"source": {
"kind": "package",
"origin": "terramcp"
},
"server": {
"name": "terramcp"
}
},
"grade": "A",
"score": {
"score": 92,
"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": "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-1.13"
},
"capability": {
"level": "high",
"reasons": [
"can send data / act on an external service",
"reads sensitive or local data",
"has a read → egress path (a data-exfiltration surface)"
],
"tags": [
"sensitive-source",
"external-sink"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (21 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-004",
"title": "Sensitive-source and external-sink co-exist",
"category": "exfiltration",
"severity": "high",
"confidence": "strong",
"description": "Tools that read sensitive data ([get_developer_destination_credentials, get_custom_credentials]) and tools that can send data out ([resend_webhook]) are exposed together. An agent can move private data to the sink.",
"remediation": "Keep secret-reading and egress capabilities on separate, separately-approved servers.",
"location": {
"kind": "flow",
"name": "get_developer_destination_credentials → resend_webhook"
},
"evidence": "sources [get_developer_destination_credentials, get_custom_credentials] → sinks [resend_webhook]",
"owasp": "LLM02:2025 Sensitive Information Disclosure",
"references": [],
"data": {
"sources": [
"get_developer_destination_credentials",
"get_custom_credentials"
],
"sinks": [
"resend_webhook"
]
}
},
{
"ruleId": "MTC-SRC-003",
"title": "Hardcoded egress to an external endpoint (src/terramcp/server.py)",
"category": "exfiltration",
"severity": "medium",
"confidence": "strong",
"description": "In the server's implementation (`src/terramcp/server.py:498`): A hardcoded outbound call to a fixed external host inside server code is a classic exfiltration/telemetry channel — especially paired with reads of local data. 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": "src/terramcp/server.py"
},
"evidence": "query} response = requests.post( \"https://ubd7f3f36wgejf3kvci5647fby0ueuvi.lambda-url.eu-west-1.on.aws\",",
"owasp": "LLM02:2025 Sensitive Information Disclosure",
"data": {
"rule": "MTC-SRC-003",
"file": "src/terramcp/server.py",
"line": 498,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SUP-011",
"title": "Package declares no source repository",
"category": "supply-chain",
"severity": "info",
"confidence": "strong",
"description": "\"terramcp\" 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": "terramcp"
}
}
],
"toxicFlows": [
{
"id": "flow-1",
"severity": "high",
"confidence": "strong",
"untrustedInput": [],
"sensitiveSource": [
"get_developer_destination_credentials",
"get_custom_credentials"
],
"externalSink": [
"resend_webhook"
],
"selfContained": false,
"path": [
"get_custom_credentials",
"resend_webhook"
],
"pathWired": false,
"description": "A sensitive-source → external-sink chain exists: get_custom_credentials → resend_webhook."
}
],
"capabilities": [
{
"tool": "terra_get_integrations",
"tags": [],
"reasons": {}
},
{
"tool": "terra_get_detailed_integrations",
"tags": [],
"reasons": {}
},
{
"tool": "get_destinations",
"tags": [],
"reasons": {}
},
{
"tool": "get_developer_destination_credentials",
"tags": [
"sensitive-source"
],
"reasons": {
"sensitive-source": [
"keyword \"get_credentials\""
]
}
},
{
"tool": "delete_destination",
"tags": [],
"reasons": {}
},
{
"tool": "set_destination_state",
"tags": [],
"reasons": {}
},
{
"tool": "add_developer_destination",
"tags": [],
"reasons": {}
},
{
"tool": "ping_developer_destination",
"tags": [],
"reasons": {}
},
{
"tool": "set_provider_keys",
"tags": [],
"reasons": {}
},
{
"tool": "get_provider_keys",
"tags": [],
"reasons": {}
},
{
"tool": "get_developer_providers",
"tags": [],
"reasons": {}
},
{
"tool": "add_providers",
"tags": [],
"reasons": {}
},
{
"tool": "deactivate_provider",
"tags": [],
"reasons": {}
},
{
"tool": "set_provider_state",
"tags": [],
"reasons": {}
},
{
"tool": "get_providers_by_popularity",
"tags": [],
"reasons": {}
},
{
"tool": "add_custom_credentials",
"tags": [],
"reasons": {}
},
{
"tool": "get_custom_credentials",
"tags": [
"sensitive-source"
],
"reasons": {
"sensitive-source": [
"keyword \"get_credentials\""
]
}
},
{
"tool": "search_documentation",
"tags": [],
"reasons": {}
},
{
"tool": "generate_dummy_data",
"tags": [],
"reasons": {}
},
{
"tool": "get_paginated_webhook_history",
"tags": [],
"reasons": {}
},
{
"tool": "resend_webhook",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"webhook\""
]
}
}
],
"surfaceDigest": "487cadbba3feb157af91c220c3f5b69cc11268d26c219aa983868eb3c474b4a2",
"stats": {
"tools": 21,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 1,
"medium": 1,
"low": 0,
"info": 1
}
}
}