Xache — the complete, unedited output of the deterministic mcptrustchecker engine v1.8.0, scanned . Every finding, capability tag and score component below is exactly what the engine produced — no AI, no post-processing.
{
"tool": {
"name": "mcptrustchecker",
"version": "1.8.0",
"methodologyVersion": "mcptrustchecker-1.8"
},
"target": {
"id": "@xache/mcp-server",
"source": {
"kind": "package",
"origin": "@xache/mcp-server"
},
"server": {
"name": "@xache/mcp-server"
}
},
"grade": "B",
"score": {
"score": 89,
"threatScore": 93,
"grade": "B",
"band": "B",
"categorySubtotals": {
"injection": 0,
"exfiltration": 0,
"permissions": 0,
"supply-chain": 6.66,
"network": 0,
"hygiene": 0
},
"vector": [
{
"kind": "threat",
"ruleId": "MTC-SUP-006",
"category": "supply-chain",
"severity": "medium",
"confidence": "heuristic",
"rawWeight": 9,
"confidenceMult": 0.4,
"diminishingFactor": 1,
"appliedPenalty": 3.6
},
{
"kind": "threat",
"ruleId": "MTC-SUP-006",
"category": "supply-chain",
"severity": "medium",
"confidence": "heuristic",
"rawWeight": 9,
"confidenceMult": 0.4,
"diminishingFactor": 0.5,
"appliedPenalty": 1.8
},
{
"kind": "threat",
"ruleId": "MTC-SUP-006",
"category": "supply-chain",
"severity": "medium",
"confidence": "heuristic",
"rawWeight": 9,
"confidenceMult": 0.4,
"diminishingFactor": 0.25,
"appliedPenalty": 0.9
},
{
"kind": "threat",
"ruleId": "MTC-SUP-006",
"category": "supply-chain",
"severity": "medium",
"confidence": "heuristic",
"rawWeight": 9,
"confidenceMult": 0.4,
"diminishingFactor": 0.1,
"appliedPenalty": 0.36
},
{
"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": "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-1.8"
},
"capability": {
"level": "moderate",
"reasons": [
"ingests untrusted external content (a prompt-injection entry point)"
],
"tags": [
"untrusted-input"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (24 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-SUP-006",
"title": "Possible combosquat of mcp",
"category": "supply-chain",
"severity": "medium",
"confidence": "heuristic",
"description": "\"@xache/mcp-server\" is \"mcp\" with a decorative suffix — a common combosquat pattern.",
"remediation": "Confirm you meant \"mcp\". Install packages only from their documented, official name.",
"location": {
"kind": "package",
"name": "@xache/mcp-server"
},
"owasp": "LLM03:2025 Supply Chain",
"references": [
"https://github.com/ossf/package-analysis",
"https://owasp.org/www-project-top-10-ci-cd-security-risks/"
],
"data": {
"candidate": "@xache/mcp-server",
"target": "mcp"
}
},
{
"ruleId": "MTC-SUP-006",
"title": "Possible combosquat of @playwright/mcp",
"category": "supply-chain",
"severity": "medium",
"confidence": "heuristic",
"description": "\"@xache/mcp-server\" is \"@playwright/mcp\" with a decorative suffix — a common combosquat pattern.",
"remediation": "Confirm you meant \"@playwright/mcp\". Install packages only from their documented, official name.",
"location": {
"kind": "package",
"name": "@xache/mcp-server"
},
"owasp": "LLM03:2025 Supply Chain",
"references": [
"https://github.com/ossf/package-analysis",
"https://owasp.org/www-project-top-10-ci-cd-security-risks/"
],
"data": {
"candidate": "@xache/mcp-server",
"target": "@playwright/mcp"
}
},
{
"ruleId": "MTC-SUP-006",
"title": "Possible combosquat of @stripe/mcp",
"category": "supply-chain",
"severity": "medium",
"confidence": "heuristic",
"description": "\"@xache/mcp-server\" is \"@stripe/mcp\" with a decorative suffix — a common combosquat pattern.",
"remediation": "Confirm you meant \"@stripe/mcp\". Install packages only from their documented, official name.",
"location": {
"kind": "package",
"name": "@xache/mcp-server"
},
"owasp": "LLM03:2025 Supply Chain",
"references": [
"https://github.com/ossf/package-analysis",
"https://owasp.org/www-project-top-10-ci-cd-security-risks/"
],
"data": {
"candidate": "@xache/mcp-server",
"target": "@stripe/mcp"
}
},
{
"ruleId": "MTC-SUP-006",
"title": "Possible combosquat of @browsermcp/mcp",
"category": "supply-chain",
"severity": "medium",
"confidence": "heuristic",
"description": "\"@xache/mcp-server\" is \"@browsermcp/mcp\" with a decorative suffix — a common combosquat pattern.",
"remediation": "Confirm you meant \"@browsermcp/mcp\". Install packages only from their documented, official name.",
"location": {
"kind": "package",
"name": "@xache/mcp-server"
},
"owasp": "LLM03:2025 Supply Chain",
"references": [
"https://github.com/ossf/package-analysis",
"https://owasp.org/www-project-top-10-ci-cd-security-risks/"
],
"data": {
"candidate": "@xache/mcp-server",
"target": "@browsermcp/mcp"
}
}
],
"toxicFlows": [],
"capabilities": [
{
"tool": "xache_collective_contribute",
"tags": [],
"reasons": {}
},
{
"tool": "xache_collective_query",
"tags": [],
"reasons": {}
},
{
"tool": "xache_collective_list",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"browse\""
]
}
},
{
"tool": "xache_memory_store",
"tags": [],
"reasons": {}
},
{
"tool": "xache_memory_retrieve",
"tags": [],
"reasons": {}
},
{
"tool": "xache_memory_list",
"tags": [],
"reasons": {}
},
{
"tool": "xache_check_reputation",
"tags": [],
"reasons": {}
},
{
"tool": "xache_leaderboard",
"tags": [],
"reasons": {}
},
{
"tool": "xache_extract_memories",
"tags": [],
"reasons": {}
},
{
"tool": "xache_extract_and_contribute",
"tags": [],
"reasons": {}
},
{
"tool": "xache_graph_extract",
"tags": [],
"reasons": {}
},
{
"tool": "xache_graph_load",
"tags": [],
"reasons": {}
},
{
"tool": "xache_graph_query",
"tags": [],
"reasons": {}
},
{
"tool": "xache_graph_ask",
"tags": [],
"reasons": {}
},
{
"tool": "xache_graph_add_entity",
"tags": [],
"reasons": {}
},
{
"tool": "xache_graph_add_relationship",
"tags": [],
"reasons": {}
},
{
"tool": "xache_graph_merge_entities",
"tags": [],
"reasons": {}
},
{
"tool": "xache_graph_entity_history",
"tags": [],
"reasons": {}
},
{
"tool": "xache_memory_probe",
"tags": [],
"reasons": {}
},
{
"tool": "xache_ephemeral_create_session",
"tags": [],
"reasons": {}
},
{
"tool": "xache_ephemeral_write_slot",
"tags": [],
"reasons": {}
},
{
"tool": "xache_ephemeral_read_slot",
"tags": [],
"reasons": {}
},
{
"tool": "xache_ephemeral_promote",
"tags": [],
"reasons": {}
},
{
"tool": "xache_ephemeral_status",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "8ea796a7a032f05af5e80c6cef71330031b46e21370d9ab8b712dd32034f408f",
"stats": {
"tools": 24,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 0,
"medium": 4,
"low": 0,
"info": 0
}
}
}