Bing Webmaster — 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": "@isiahw1/mcp-server-bing-webmaster",
"source": {
"kind": "package",
"origin": "@isiahw1/mcp-server-bing-webmaster"
},
"server": {
"name": "@isiahw1/mcp-server-bing-webmaster"
}
},
"grade": "A",
"score": {
"score": 93,
"threatScore": 99,
"grade": "A",
"band": "A",
"categorySubtotals": {
"injection": 0,
"exfiltration": 0,
"permissions": 0,
"supply-chain": 1.2,
"network": 0,
"hygiene": 0
},
"vector": [
{
"kind": "threat",
"ruleId": "MTC-SUP-010",
"category": "supply-chain",
"severity": "low",
"confidence": "heuristic",
"rawWeight": 3,
"confidenceMult": 0.4,
"diminishingFactor": 1,
"appliedPenalty": 1.2
},
{
"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": "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": "high",
"reasons": [
"ingests untrusted external content (a prompt-injection entry point)",
"can execute shell commands or code"
],
"tags": [
"untrusted-input",
"code-exec"
]
},
"coverage": {
"level": "source",
"inputs": {
"toolSurface": true,
"implementationSource": true,
"packageMetadata": true,
"liveTransport": false
},
"caveats": [
"Tools were statically extracted from the published source (60 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 (run.js)",
"category": "permissions",
"severity": "high",
"confidence": "strong",
"description": "In the server's implementation (`run.js:10`): 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": "run.js"
},
"evidence": "st { spawn } = require('child_process'); const path = require('path'); const fs = require('fs'); // Check if we're in d",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "run.js",
"line": 10,
"nonRuntime": false
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in packaging/dev tooling (scripts/build.js)",
"category": "permissions",
"severity": "low",
"confidence": "heuristic",
"description": "In a packaging/dev/install script (shipped, but not the server runtime) (`scripts/build.js:3`): 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": "scripts/build.js"
},
"evidence": "{ execSync } = require('child_process'); // Check if we're in a CI environment const isCI = process.env.CI === 'true';",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "scripts/build.js",
"line": 3,
"nonRuntime": true
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in packaging/dev tooling (scripts/postinstall.js)",
"category": "permissions",
"severity": "low",
"confidence": "heuristic",
"description": "In a packaging/dev/install script (shipped, but not the server runtime) (`scripts/postinstall.js:7`): 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": "scripts/postinstall.js"
},
"evidence": "{ execSync } = require('child_process'); console.log('\\n🔧 MCP Server for Bing Webmaster Tools - Post Install'); consol",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "scripts/postinstall.js",
"line": 7,
"nonRuntime": true
}
},
{
"ruleId": "MTC-SRC-002",
"title": "Shell/command execution in packaging/dev tooling (scripts/validate.js)",
"category": "permissions",
"severity": "low",
"confidence": "heuristic",
"description": "In a packaging/dev/install script (shipped, but not the server runtime) (`scripts/validate.js:9`): 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": "scripts/validate.js"
},
"evidence": "{ execSync } = require('child_process'); let errors = 0; console.log('🔍 Running pre-publish validation...\\n'); // Ch",
"owasp": "LLM05:2025 Improper Output Handling",
"data": {
"rule": "MTC-SRC-002",
"file": "scripts/validate.js",
"line": 9,
"nonRuntime": true
}
},
{
"ruleId": "MTC-SUP-010",
"title": "Package runs install-time scripts (postinstall)",
"category": "supply-chain",
"severity": "low",
"confidence": "heuristic",
"description": "\"@isiahw1/mcp-server-bing-webmaster\" executes postinstall script(s) at install time. An install hook runs at install time; most are routine build/setup, but review what it does before trusting it.",
"remediation": "Review the scripts; install with --ignore-scripts where possible and vet what they do.",
"location": {
"kind": "package",
"name": "@isiahw1/mcp-server-bing-webmaster"
},
"evidence": "node scripts/postinstall.js || true",
"owasp": "LLM03:2025 Supply Chain",
"references": [
"https://github.com/ossf/package-analysis",
"https://owasp.org/www-project-top-10-ci-cd-security-risks/"
],
"data": {
"scripts": [
"postinstall"
]
}
}
],
"toxicFlows": [],
"capabilities": [
{
"tool": "get_sites",
"tags": [],
"reasons": {}
},
{
"tool": "add_site",
"tags": [],
"reasons": {}
},
{
"tool": "verify_site",
"tags": [],
"reasons": {}
},
{
"tool": "remove_site",
"tags": [],
"reasons": {}
},
{
"tool": "get_query_stats",
"tags": [],
"reasons": {}
},
{
"tool": "get_page_stats",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"get_page\""
]
}
},
{
"tool": "get_rank_and_traffic_stats",
"tags": [],
"reasons": {}
},
{
"tool": "get_crawl_stats",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"crawl\""
]
}
},
{
"tool": "get_crawl_issues",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"crawl\""
]
}
},
{
"tool": "submit_url",
"tags": [],
"reasons": {}
},
{
"tool": "submit_url_batch",
"tags": [],
"reasons": {}
},
{
"tool": "get_url_submission_quota",
"tags": [],
"reasons": {}
},
{
"tool": "submit_sitemap",
"tags": [],
"reasons": {}
},
{
"tool": "remove_sitemap",
"tags": [],
"reasons": {}
},
{
"tool": "get_keyword_data",
"tags": [],
"reasons": {}
},
{
"tool": "get_related_keywords",
"tags": [],
"reasons": {}
},
{
"tool": "get_link_counts",
"tags": [],
"reasons": {}
},
{
"tool": "get_url_links",
"tags": [],
"reasons": {}
},
{
"tool": "get_blocked_urls",
"tags": [],
"reasons": {}
},
{
"tool": "add_blocked_url",
"tags": [],
"reasons": {}
},
{
"tool": "remove_blocked_url",
"tags": [],
"reasons": {}
},
{
"tool": "get_query_page_stats",
"tags": [],
"reasons": {}
},
{
"tool": "get_query_page_detail_stats",
"tags": [],
"reasons": {}
},
{
"tool": "get_url_info",
"tags": [],
"reasons": {}
},
{
"tool": "submit_content",
"tags": [],
"reasons": {}
},
{
"tool": "get_keyword_stats",
"tags": [],
"reasons": {}
},
{
"tool": "add_connected_page",
"tags": [],
"reasons": {}
},
{
"tool": "get_deep_link_blocks",
"tags": [],
"reasons": {}
},
{
"tool": "add_deep_link_block",
"tags": [],
"reasons": {}
},
{
"tool": "get_query_parameters",
"tags": [],
"reasons": {}
},
{
"tool": "add_query_parameter",
"tags": [],
"reasons": {}
},
{
"tool": "get_site_roles",
"tags": [],
"reasons": {}
},
{
"tool": "add_site_roles",
"tags": [],
"reasons": {}
},
{
"tool": "get_feeds",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"rss\""
]
}
},
{
"tool": "get_content_submission_quota",
"tags": [],
"reasons": {}
},
{
"tool": "get_url_traffic_info",
"tags": [],
"reasons": {}
},
{
"tool": "get_crawl_settings",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"crawl\""
]
}
},
{
"tool": "update_crawl_settings",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"crawl\""
]
}
},
{
"tool": "get_country_region_settings",
"tags": [],
"reasons": {}
},
{
"tool": "add_country_region_settings",
"tags": [],
"reasons": {}
},
{
"tool": "remove_query_parameter",
"tags": [],
"reasons": {}
},
{
"tool": "remove_deep_link_block",
"tags": [],
"reasons": {}
},
{
"tool": "add_page_preview_block",
"tags": [],
"reasons": {}
},
{
"tool": "get_active_page_preview_blocks",
"tags": [],
"reasons": {}
},
{
"tool": "remove_page_preview_block",
"tags": [],
"reasons": {}
},
{
"tool": "enable_disable_query_parameter",
"tags": [],
"reasons": {}
},
{
"tool": "fetch_url",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"fetch_url\""
]
}
},
{
"tool": "get_fetched_urls",
"tags": [],
"reasons": {}
},
{
"tool": "get_fetched_url_details",
"tags": [],
"reasons": {}
},
{
"tool": "get_connected_pages",
"tags": [],
"reasons": {}
},
{
"tool": "get_children_url_info",
"tags": [],
"reasons": {}
},
{
"tool": "get_children_url_traffic_info",
"tags": [],
"reasons": {}
},
{
"tool": "get_feed_details",
"tags": [],
"reasons": {}
},
{
"tool": "remove_feed",
"tags": [],
"reasons": {}
},
{
"tool": "get_page_query_stats",
"tags": [
"untrusted-input"
],
"reasons": {
"untrusted-input": [
"keyword \"get_page\""
]
}
},
{
"tool": "get_query_traffic_stats",
"tags": [],
"reasons": {}
},
{
"tool": "get_site_moves",
"tags": [],
"reasons": {}
},
{
"tool": "submit_site_move",
"tags": [],
"reasons": {}
},
{
"tool": "remove_site_role",
"tags": [],
"reasons": {}
},
{
"tool": "remove_country_region_settings",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "c914830c01d45f83efa545f2ec7f93f859e1cacc214f63a28be60ce844796c56",
"stats": {
"tools": 60,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 1,
"medium": 0,
"low": 4,
"info": 0
}
}
}