{ "schema": "varexis-public-evidence-record/0.3", "generated_at_utc": "2026-10-16T12:55:40.483Z", "record_id": "VXI-EXT-TOOL-TRUST-FABRIC-CORE-01-v1", "record_kind": "external_reference", "title": "Fabric Core MCP: Resource-management authority", "system": "Microsoft Fabric Core MCP", "evidence_family": "agent_tool_trust_review", "index_status": "PUBLIC_SAFE_SOURCE_REVIEW", "evidence_state": "PRIMARY_DOCUMENTATION_REVIEW_ONLY", "canonical_question": "Is Fabric Core MCP only a data-query connection?", "near_questions": [ "Can Fabric Core MCP delete a workspace?", "Can it grant workspace roles?", "Does connecting grant extra Fabric permissions?", "Is Core the same as Fabric IQ?", "Can Core run arbitrary lakehouse SQL?", "Which Entra identity appears in audit evidence?", "Are all operations guaranteed to be audited?", "Does every client enforce destructive-action approval?", "Does data remain inside Fabric after a tool response?", "Which transport and OAuth support are required?", "What is the current preview limitation?", "Can I save the reviewed Fabric management boundary?" ], "supported_claims": [ { "claim": "The preview Core endpoint manages resources, including workspace and item changes and workspace role assignments. It uses the authenticated Entra identity's Fabric permissions. These resource-management tools are not general-purpose lakehouse table-query tools. Supported-operation audit records and client approval settings must be assessed separately.", "reliance": "DOCUMENTED_CAPABILITY_ONLY" } ], "not_demonstrated_claims": [ "Verified buyer configuration or effective access rights", "Independent execution, completeness or security testing", "Vendor certification, legal compliance or guaranteed suitability" ], "public_summary": "The preview Core endpoint manages resources, including workspace and item changes and workspace role assignments. It uses the authenticated Entra identity's Fabric permissions. These resource-management tools are not general-purpose lakehouse table-query tools. Supported-operation audit records and client approval settings must be assessed separately.", "related_record_ids": [], "source_review": { "source_type": "official_external_documentation", "source_title": "Fabric Core MCP capabilities and boundaries", "source_url": "https://learn.microsoft.com/en-us/rest/api/fabric/articles/mcp-servers/core-remote/overview-core-mcp-server", "checked_on": "2026-10-16", "candidate_record_id": "VXI-EXT-TOOL-TRUST-FABRIC-CORE-01-v1", "candidate_record_sha256": "cb2d0a8d06baeb6ba6e417680746cc37df9ac088e22d4c5c39dcbf1108606218", "method": "Primary documentation reviewed for the published bounded statement.", "deployment_tested_by_varexis": false, "revalidation": "The delivered snapshot preserves the review date shown. Recheck current primary documentation and deployment context before relying on present applicability; payment does not trigger fresh research." }, "answer_policy": { "classification": "DOCUMENTED_WITH_DEPLOYMENT_BOUNDARY", "bounded_answer": "The preview Core endpoint manages resources, including workspace and item changes and workspace role assignments. It uses the authenticated Entra identity's Fabric permissions. These resource-management tools are not general-purpose lakehouse table-query tools. Supported-operation audit records and client approval settings must be assessed separately.", "required_buyer_context": "Fabric tenant, selected Core endpoint, Entra identity, roles, intended resources and client data handling.", "missing_evidence": "A broader claim needs evidence matching the intended use. Payment does not upgrade the evidence state." }, "private_boundary": "Raw logs, thresholds, private paths, source code, protected mechanisms and reconstruction-level details are excluded from public and paid delivery.", "trust_profile": { "schema": "varexis-agent-tool-trust/1", "identity": { "tool": "Microsoft Fabric Core MCP", "variant": "Dated publisher documentation; deployed buyer configuration unverified" }, "review_status": "documentation_review_only", "checked_on": "2026-10-16", "version_scope": "Dated rolling documentation snapshot; no installed or hosted runtime version independently verified.", "plan_scope": "Buyer plan, entitlement and effective configuration are not verified.", "findings": [ { "field": "operator", "label": "Publisher and operator", "status": "documented", "statement": "Microsoft hosts the Fabric Core endpoint.", "source_ids": [ "fabric", "fabric-auth" ] }, { "field": "purpose", "label": "Purpose", "status": "documented", "statement": "Manage Fabric workspaces, items and permissions.", "source_ids": [ "fabric", "fabric-auth" ] }, { "field": "reads", "label": "Read capability", "status": "documented", "statement": "Catalog, item, workspace and capacity information.", "source_ids": [ "fabric", "fabric-auth" ] }, { "field": "writes", "label": "Write capability", "status": "documented", "statement": "Create, change or delete resources and change workspace roles.", "source_ids": [ "fabric", "fabric-auth" ] }, { "field": "auth", "label": "Authentication", "status": "documented", "statement": "Microsoft Entra OAuth with a compatible HTTP client.", "source_ids": [ "fabric", "fabric-auth" ] }, { "field": "permissions", "label": "Permission surface", "status": "documented", "statement": "The executing identity must hold the relevant Fabric permissions.", "source_ids": [ "fabric", "fabric-auth" ] }, { "field": "egress", "label": "Data leaving the environment", "status": "review_inference", "statement": "Resource metadata can pass to the client and its model provider.", "source_ids": [ "fabric", "fabric-auth" ] }, { "field": "failures", "label": "Failure modes to consider", "status": "review_inference", "statement": "Confusing Core with a read-only query server can authorize destructive actions.", "source_ids": [ "fabric", "fabric-auth" ] }, { "field": "unknown", "label": "Unknowns and applicability", "status": "unknown", "statement": "Tenant grants, client safeguards and operation-level audit coverage are unverified.", "source_ids": [] }, { "field": "gate", "label": "Suggested refusal or clarification condition", "status": "varexis_review_policy", "statement": "Require the exact resource-management action and executing identity before changes.", "source_ids": [] } ], "evidence_sources": [ { "source_id": "fabric", "url": "https://learn.microsoft.com/en-us/rest/api/fabric/articles/mcp-servers/core-remote/overview-core-mcp-server", "final_url": "https://learn.microsoft.com/en-us/rest/api/fabric/articles/mcp-servers/core-remote/overview-core-mcp-server", "title": "Fabric Core MCP capabilities and boundaries", "checked_on": "2026-10-16", "sha256": "ca2797fd2810a8cb8c67d5f70335e564fd65d99eb117ed5e36d766fb178d8666", "bytes": 43595 }, { "source_id": "fabric-auth", "url": "https://learn.microsoft.com/en-us/rest/api/fabric/articles/mcp-servers/core-remote/get-started-core", "final_url": "https://learn.microsoft.com/en-us/rest/api/fabric/articles/mcp-servers/core-remote/get-started-core", "title": "Fabric Core MCP authentication", "checked_on": "2026-10-16", "sha256": "0e042d8e783a6962b842a84945e702ba123e0f22888d96a120f6ee7ed9c6088e", "bytes": 46707 } ], "observed_tool_execution": false, "policy_basis": "Suggested VAREXIS review gates; apply the buyer's authorized task and policy. 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. Unknown does not mean false or unsafe.", "paid_value": { "decision_context": "Retain the distinction between resource administration and analytical access when selecting an agent connection.", "free": "Complete review, practical questions, sources and limitations; may be saved locally.", "single_request": "Existing server-saved version-bound route snapshot for later authenticated retrieval.", "evidence_receipt": "The same snapshot plus the existing unsigned delivery receipt.", "excluded": [ "Fresh vendor research", "Continuous monitoring or change alerts", "Testing the buyer configuration", "Private evidence or vendor certification" ], "integrity": "Hashes identify content versions; they do not prove truth or provide a signature." }, "revalidation": { "trigger": "Recheck when permissions, deployment, authentication, source guidance or intended use changes; a purchase does not trigger revalidation.", "specific_watch": "Preview tool list, role grants, audit coverage and client approval handling." }, "change_history": [ { "version": 1, "date": "2026-10-16", "change": "Initial documentation review; no earlier vendor assessment claimed." } ] }, "paid_access_note": "The full published answer and boundaries are free. 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#fabric-core-mcp-resource-management-scope", "machine_readable_record": "/varexis-index/records/fabric-core-mcp-resource-management-scope.json" }