{ "schema": "varexis-public-evidence-record/0.3", "generated_at_utc": "2026-10-16T12:55:40.483Z", "record_id": "VXI-EXT-TOOL-TRUST-PREFECT-01-v1", "record_kind": "external_reference", "title": "Prefect MCP: Read-only tools and wider agent authority", "system": "Prefect MCP", "evidence_family": "agent_tool_trust_review", "index_status": "PUBLIC_SAFE_SOURCE_REVIEW", "evidence_state": "PRIMARY_DOCUMENTATION_REVIEW_ONLY", "canonical_question": "Does read-only Prefect MCP make the whole agent read-only?", "near_questions": [ "Is Prefect MCP read-only?", "Can the same agent still run a destructive CLI command?", "Which profile does a local Prefect server inherit?", "Does hosted OAuth use my local profile?", "Which Cloud workspaces were selected?", "Can a service account be restricted to reads?", "Will execution logs be sent to the model?", "Is the server still described as beta?", "How do I identify the active Prefect target?", "Does documentation search prove deployment access?", "What should a diagnostic pilot exclude?", "Can I save the reviewed Prefect read-only boundary?" ], "supported_claims": [ { "claim": "The documented MCP tools inspect runs, logs and infrastructure without mutations. 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These conditions do not execute or enforce controls.", "commercial_reliance_boundary": "A source-linked review aid, not a vendor certification, security clearance or deployment assessment. 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Paid access saves the selected route and source versions, with an unsigned receipt when purchased. Preview coverage before paying. Fresh research, bespoke assessment and protected evidence are excluded.", "service_route": { "request_guide": "/varexis-index/request.html", "request_workflow": "/varexis-index/request-workflow.json", "service_id": "single_request", "service_routes_url": "/varexis-index/service-routes.json", "payment_required": true, "availability_endpoint": "/api/index/capabilities", "operational_status": "AUTOMATIC_SERVICE_CAPABILITIES_GATED", "checkout_url": "/index-access" }, "authority_boundary": "VAREXIS-INDEX informs evidence reliance. It does not provide advice, certification, deployment authority, security assurance, production approval, or guarantee.", "human_page": "/varexis-index/catalog.html#prefect-mcp-readonly-client-capabilities", "machine_readable_record": "/varexis-index/records/prefect-mcp-readonly-client-capabilities.json" }