Devkit — the complete, unedited output of the deterministic mcptrustchecker engine v1.10.0, scanned . Every finding, capability tag and score component below is exactly what the engine produced — no AI, no post-processing.
{
"tool": {
"name": "mcptrustchecker",
"version": "1.10.0",
"methodologyVersion": "mcptrustchecker-1.9"
},
"target": {
"id": "devkit-mcp",
"source": {
"kind": "package",
"origin": "devkit-mcp"
},
"server": {
"name": "devkit-mcp"
}
},
"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 (37 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 ([http_fetch]) co-exist with external-action tools ([http_fetch]). 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": "http_fetch → http_fetch"
},
"evidence": "untrusted [http_fetch] → sinks [http_fetch]",
"owasp": "LLM06:2025 Excessive Agency",
"references": [],
"data": {
"untrusted": [
"http_fetch"
],
"sinks": [
"http_fetch"
]
}
},
{
"ruleId": "MTC-SUP-011",
"title": "Package declares no source repository",
"category": "supply-chain",
"severity": "info",
"confidence": "strong",
"description": "\"devkit-mcp\" 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": "devkit-mcp"
}
}
],
"toxicFlows": [
{
"id": "flow-1",
"severity": "medium",
"confidence": "strong",
"untrustedInput": [
"http_fetch"
],
"sensitiveSource": [],
"externalSink": [
"http_fetch"
],
"selfContained": false,
"description": "Untrusted input can drive an external action even though no sensitive source is exposed."
}
],
"capabilities": [
{
"tool": "uuid_gen",
"tags": [],
"reasons": {}
},
{
"tool": "uuid_bulk",
"tags": [],
"reasons": {}
},
{
"tool": "pwd_gen",
"tags": [],
"reasons": {}
},
{
"tool": "http_fetch",
"tags": [
"untrusted-input",
"external-sink"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch\""
],
"external-sink": [
"keyword \"http_request\""
]
}
},
{
"tool": "diff_text",
"tags": [],
"reasons": {}
},
{
"tool": "json_schema",
"tags": [],
"reasons": {}
},
{
"tool": "color_hex_to_rgb",
"tags": [],
"reasons": {}
},
{
"tool": "color_rgb_to_hex",
"tags": [],
"reasons": {}
},
{
"tool": "color_hex_to_hsl",
"tags": [],
"reasons": {}
},
{
"tool": "color_hsl_to_hex",
"tags": [],
"reasons": {}
},
{
"tool": "color_mix",
"tags": [],
"reasons": {}
},
{
"tool": "encode_url",
"tags": [],
"reasons": {}
},
{
"tool": "decode_url",
"tags": [],
"reasons": {}
},
{
"tool": "encode_html",
"tags": [],
"reasons": {}
},
{
"tool": "decode_html",
"tags": [],
"reasons": {}
},
{
"tool": "encode_unicode",
"tags": [],
"reasons": {}
},
{
"tool": "decode_unicode",
"tags": [],
"reasons": {}
},
{
"tool": "format_json_to_yaml",
"tags": [],
"reasons": {}
},
{
"tool": "format_yaml_to_json",
"tags": [],
"reasons": {}
},
{
"tool": "format_json_to_toml",
"tags": [],
"reasons": {}
},
{
"tool": "format_toml_to_json",
"tags": [],
"reasons": {}
},
{
"tool": "format_pretty_json",
"tags": [],
"reasons": {}
},
{
"tool": "format_minify_json",
"tags": [],
"reasons": {}
},
{
"tool": "hash_md5",
"tags": [],
"reasons": {}
},
{
"tool": "hash_sha1",
"tags": [],
"reasons": {}
},
{
"tool": "hash_sha256",
"tags": [],
"reasons": {}
},
{
"tool": "hash_sha512",
"tags": [],
"reasons": {}
},
{
"tool": "hash_base64",
"tags": [],
"reasons": {}
},
{
"tool": "hash_hmac",
"tags": [],
"reasons": {}
},
{
"tool": "hash_file_checksum",
"tags": [],
"reasons": {}
},
{
"tool": "regex_test",
"tags": [],
"reasons": {}
},
{
"tool": "regex_extract",
"tags": [],
"reasons": {}
},
{
"tool": "regex_replace",
"tags": [],
"reasons": {}
},
{
"tool": "time_timestamp_to_date",
"tags": [],
"reasons": {}
},
{
"tool": "time_date_to_timestamp",
"tags": [],
"reasons": {}
},
{
"tool": "time_now",
"tags": [],
"reasons": {}
},
{
"tool": "time_duration",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "f44115f9d219250f03bf2be30410cac1d7d05d2bef1f44811cf1dac7ecec65b0",
"stats": {
"tools": 37,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 0,
"medium": 1,
"low": 0,
"info": 1
}
}
}