Bitbucket — 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": "bitbucket-mcp",
"source": {
"kind": "package",
"origin": "bitbucket-mcp"
},
"server": {
"name": "bitbucket-mcp"
}
},
"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 (79 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_file_contents]) and tools that can send data out ([create_issue, create_pull_request, create_webhook, delete_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_file_contents → create_issue"
},
"evidence": "sources [get_file_contents] → sinks [create_issue, create_pull_request, create_webhook, delete_webhook]",
"owasp": "LLM02:2025 Sensitive Information Disclosure",
"references": [],
"data": {
"sources": [
"get_file_contents"
],
"sinks": [
"create_issue",
"create_pull_request",
"create_webhook",
"delete_webhook"
]
}
},
{
"ruleId": "MTC-SUP-012",
"title": "Package has no license",
"category": "hygiene",
"severity": "info",
"confidence": "strong",
"description": "\"bitbucket-mcp\" has no declared license. This is a legal/reuse concern, not a security finding.",
"location": {
"kind": "package",
"name": "bitbucket-mcp"
}
},
{
"ruleId": "MTC-SUP-011",
"title": "Package declares no source repository",
"category": "supply-chain",
"severity": "info",
"confidence": "strong",
"description": "\"bitbucket-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": "bitbucket-mcp"
}
}
],
"toxicFlows": [
{
"id": "flow-1",
"severity": "high",
"confidence": "strong",
"untrustedInput": [],
"sensitiveSource": [
"get_file_contents"
],
"externalSink": [
"create_issue",
"create_pull_request",
"create_webhook",
"delete_webhook"
],
"selfContained": false,
"path": [
"get_file_contents",
"create_issue"
],
"pathWired": false,
"description": "A sensitive-source → external-sink chain exists: get_file_contents → create_issue."
}
],
"capabilities": [
{
"tool": "list_branches",
"tags": [],
"reasons": {}
},
{
"tool": "create_branch",
"tags": [],
"reasons": {}
},
{
"tool": "delete_branch",
"tags": [],
"reasons": {}
},
{
"tool": "list_tags",
"tags": [],
"reasons": {}
},
{
"tool": "create_tag",
"tags": [],
"reasons": {}
},
{
"tool": "delete_tag",
"tags": [],
"reasons": {}
},
{
"tool": "get_branching_model",
"tags": [],
"reasons": {}
},
{
"tool": "get_file_contents",
"tags": [
"sensitive-source"
],
"reasons": {
"sensitive-source": [
"keyword \"get_file_contents\""
]
}
},
{
"tool": "list_commits",
"tags": [],
"reasons": {}
},
{
"tool": "get_commit",
"tags": [],
"reasons": {}
},
{
"tool": "get_commit_diff",
"tags": [],
"reasons": {}
},
{
"tool": "get_commit_diffstat",
"tags": [],
"reasons": {}
},
{
"tool": "list_commit_statuses",
"tags": [],
"reasons": {}
},
{
"tool": "create_build_status",
"tags": [],
"reasons": {}
},
{
"tool": "list_commit_comments",
"tags": [],
"reasons": {}
},
{
"tool": "setup_bitbucket",
"tags": [],
"reasons": {}
},
{
"tool": "get_config_status",
"tags": [],
"reasons": {}
},
{
"tool": "list_issues",
"tags": [],
"reasons": {}
},
{
"tool": "create_issue",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"create_issue\""
]
}
},
{
"tool": "get_issue",
"tags": [],
"reasons": {}
},
{
"tool": "update_issue",
"tags": [],
"reasons": {}
},
{
"tool": "list_issue_comments",
"tags": [],
"reasons": {}
},
{
"tool": "add_issue_comment",
"tags": [],
"reasons": {}
},
{
"tool": "list_pipelines",
"tags": [],
"reasons": {}
},
{
"tool": "get_pipeline",
"tags": [],
"reasons": {}
},
{
"tool": "trigger_pipeline",
"tags": [],
"reasons": {}
},
{
"tool": "stop_pipeline",
"tags": [],
"reasons": {}
},
{
"tool": "list_pipeline_steps",
"tags": [],
"reasons": {}
},
{
"tool": "get_pipeline_step_log",
"tags": [],
"reasons": {}
},
{
"tool": "list_pipeline_variables",
"tags": [],
"reasons": {}
},
{
"tool": "create_pipeline_variable",
"tags": [],
"reasons": {}
},
{
"tool": "create_pull_request",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"create_pull_request\""
]
}
},
{
"tool": "list_pull_requests",
"tags": [],
"reasons": {}
},
{
"tool": "get_pull_request",
"tags": [],
"reasons": {}
},
{
"tool": "update_pull_request",
"tags": [],
"reasons": {}
},
{
"tool": "approve_pull_request",
"tags": [],
"reasons": {}
},
{
"tool": "unapprove_pull_request",
"tags": [],
"reasons": {}
},
{
"tool": "request_changes_pull_request",
"tags": [],
"reasons": {}
},
{
"tool": "add_pull_request_comment",
"tags": [],
"reasons": {}
},
{
"tool": "get_pull_request_comments",
"tags": [],
"reasons": {}
},
{
"tool": "get_pull_request_diffstat",
"tags": [],
"reasons": {}
},
{
"tool": "get_pull_request_diff",
"tags": [],
"reasons": {}
},
{
"tool": "merge_pull_request",
"tags": [],
"reasons": {}
},
{
"tool": "decline_pull_request",
"tags": [],
"reasons": {}
},
{
"tool": "reply_to_comment",
"tags": [],
"reasons": {}
},
{
"tool": "add_inline_comment",
"tags": [],
"reasons": {}
},
{
"tool": "delete_comment",
"tags": [],
"reasons": {}
},
{
"tool": "get_pull_request_activity",
"tags": [],
"reasons": {}
},
{
"tool": "get_pull_request_commits",
"tags": [],
"reasons": {}
},
{
"tool": "add_reviewer",
"tags": [],
"reasons": {}
},
{
"tool": "remove_reviewer",
"tags": [],
"reasons": {}
},
{
"tool": "get_pull_request_merge_status",
"tags": [],
"reasons": {}
},
{
"tool": "list_repositories",
"tags": [],
"reasons": {}
},
{
"tool": "get_repository",
"tags": [],
"reasons": {}
},
{
"tool": "create_repository",
"tags": [],
"reasons": {}
},
{
"tool": "update_repository",
"tags": [],
"reasons": {}
},
{
"tool": "delete_repository",
"tags": [],
"reasons": {}
},
{
"tool": "fork_repository",
"tags": [],
"reasons": {}
},
{
"tool": "list_repository_forks",
"tags": [],
"reasons": {}
},
{
"tool": "list_snippets",
"tags": [],
"reasons": {}
},
{
"tool": "create_snippet",
"tags": [],
"reasons": {}
},
{
"tool": "get_snippet",
"tags": [],
"reasons": {}
},
{
"tool": "delete_snippet",
"tags": [],
"reasons": {}
},
{
"tool": "get_current_user",
"tags": [],
"reasons": {}
},
{
"tool": "get_user_profile",
"tags": [],
"reasons": {}
},
{
"tool": "get_user_permissions",
"tags": [],
"reasons": {}
},
{
"tool": "list_webhooks",
"tags": [],
"reasons": {}
},
{
"tool": "create_webhook",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"webhook\""
]
}
},
{
"tool": "delete_webhook",
"tags": [
"external-sink"
],
"reasons": {
"external-sink": [
"keyword \"webhook\""
]
}
},
{
"tool": "list_workspace_webhooks",
"tags": [],
"reasons": {}
},
{
"tool": "list_workspace_members",
"tags": [],
"reasons": {}
},
{
"tool": "get_default_reviewers",
"tags": [],
"reasons": {}
},
{
"tool": "list_workspaces",
"tags": [],
"reasons": {}
},
{
"tool": "get_workspace_details",
"tags": [],
"reasons": {}
},
{
"tool": "list_workspace_permissions",
"tags": [],
"reasons": {}
},
{
"tool": "list_projects",
"tags": [],
"reasons": {}
},
{
"tool": "get_project",
"tags": [],
"reasons": {}
},
{
"tool": "create_project",
"tags": [],
"reasons": {}
},
{
"tool": "search_code",
"tags": [],
"reasons": {}
}
],
"surfaceDigest": "7e622a0d721456a63e2e56b516c1bfb45ac870456ab630d181deb89ebf288e58",
"stats": {
"tools": 79,
"prompts": 0,
"resources": 0,
"findingsBySeverity": {
"critical": 0,
"high": 1,
"medium": 0,
"low": 0,
"info": 2
}
}
}