{
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  "generated_at_utc": "2026-10-14T01:25:58.088Z",
  "record_id": "VXI-EXT-TOOL-TRUST-PLANETSCALE-01-v1",
  "record_kind": "external_reference",
  "title": "PlanetScale MCP: Branch permissions and query safeguards",
  "system": "PlanetScale MCP",
  "evidence_family": "agent_tool_trust_review",
  "index_status": "PUBLIC_SAFE_SOURCE_REVIEW",
  "evidence_state": "PRIMARY_DOCUMENTATION_REVIEW_ONLY",
  "canonical_question": "Do PlanetScale query safeguards make full-access agent queries harmless?",
  "near_questions": [
    "Do database query safeguards eliminate write risk?",
    "Can an agent have read-only production and writable development access?",
    "Which branch will a PlanetScale query use?",
    "Does a schema-change prompt prove human approval?",
    "Can full-access queries still change the wrong records?",
    "What evidence shows an agent query reached a replica?",
    "Are billing records part of every connection grant?",
    "Can I review query authority before connecting a database?",
    "What should a saved branch-permission review include?",
    "Does a permitted query establish business authorisation?",
    "How should I distinguish performance inspection from schema changes?",
    "When should PlanetScale MCP permissions be rechecked?"
  ],
  "supported_claims": [
    {
      "claim": "No. PlanetScale documents branch-specific read-only or full-access permissions and particular query safeguards. These are bounded checks, not proof that every permitted query is appropriate. Review the branch, action and intended effect; a prompt to seek confirmation is not evidence that a person approved.",
      "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": "No. PlanetScale documents branch-specific read-only or full-access permissions and particular query safeguards. These are bounded checks, not proof that every permitted query is appropriate. Review the branch, action and intended effect; a prompt to seek confirmation is not evidence that a person approved.",
  "related_record_ids": [
    "VXI-EXT-TOOL-TRUST-NEON-01-v1",
    "VXI-EXT-TOOL-TRUST-PRISMA-01-v1",
    "VXI-EXT-TOOL-TRUST-AIVEN-01-v1",
    "VXI-EXT-TOOL-TRUST-MOTHERDUCK-01-v1"
  ],
  "source_review": {
    "source_type": "official_external_documentation",
    "source_title": "PlanetScale MCP OAuth and database operations",
    "source_url": "https://planetscale.com/blog/introducing-planetscale-mcp-server",
    "checked_on": "2026-10-14",
    "candidate_record_id": "VXI-EXT-TOOL-TRUST-PLANETSCALE-01-v1",
    "candidate_record_sha256": "ef1a1168d599e9d49382340975828ef5c2b75c91592b8dbf0c56143d11c2c07b",
    "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": "No. PlanetScale documents branch-specific read-only or full-access permissions and particular query safeguards. These are bounded checks, not proof that every permitted query is appropriate. Review the branch, action and intended effect; a prompt to seek confirmation is not evidence that a person approved.",
    "required_buyer_context": "Provide the database branch, production/development status, OAuth permissions and intended query effect.",
    "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": "PlanetScale MCP",
      "variant": "Hosted OAuth server"
    },
    "review_status": "documentation_review_only",
    "checked_on": "2026-10-14",
    "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": "PlanetScale hosts the MCP service.",
        "source_ids": [
          "planetscale"
        ]
      },
      {
        "field": "purpose",
        "label": "Purpose",
        "status": "documented",
        "statement": "Inspect database structure and performance and execute permitted queries.",
        "source_ids": [
          "planetscale"
        ]
      },
      {
        "field": "reads",
        "label": "Read capability",
        "status": "documented",
        "statement": "Reads schemas, Insights and optional billing information.",
        "source_ids": [
          "planetscale"
        ]
      },
      {
        "field": "writes",
        "label": "Write capability",
        "status": "documented",
        "statement": "Write queries are available if granted; certain destructive patterns are blocked.",
        "source_ids": [
          "planetscale"
        ]
      },
      {
        "field": "auth",
        "label": "Authentication",
        "status": "documented",
        "statement": "OAuth with configurable permissions.",
        "source_ids": [
          "planetscale"
        ]
      },
      {
        "field": "permissions",
        "label": "Permission surface",
        "status": "documented",
        "statement": "Production and development branch access can be read-only or full-access.",
        "source_ids": [
          "planetscale"
        ]
      },
      {
        "field": "egress",
        "label": "Data leaving the environment",
        "status": "review_inference",
        "statement": "Query results and performance context reach the assistant.",
        "source_ids": [
          "planetscale"
        ]
      },
      {
        "field": "failures",
        "label": "Failure modes to consider",
        "status": "review_inference",
        "statement": "A guarded query can still target the wrong branch or records.",
        "source_ids": [
          "planetscale"
        ]
      },
      {
        "field": "unknown",
        "label": "Unknowns and applicability",
        "status": "unknown",
        "statement": "The actual grant and any human confirmation are unverified.",
        "source_ids": []
      },
      {
        "field": "gate",
        "label": "Suggested refusal or clarification condition",
        "status": "varexis_review_policy",
        "statement": "Require the intended branch and authorised effect; do not label full access harmless.",
        "source_ids": []
      }
    ],
    "evidence_sources": [
      {
        "source_id": "planetscale",
        "url": "https://planetscale.com/blog/introducing-planetscale-mcp-server",
        "final_url": "https://planetscale.com/blog/introducing-planetscale-mcp-server",
        "title": "PlanetScale MCP OAuth and database operations",
        "checked_on": "2026-10-14",
        "sha256": "de8ade3f34532737da44dbcf60de8fe99cab221ecd44d21d593037a64c413745",
        "bytes": 52445
      }
    ],
    "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": "Save the specific branch and safeguard distinctions used in a query-access review.",
      "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": "Recheck branch grants, query protections and tool additions."
    },
    "change_history": [
      {
        "version": 1,
        "date": "2026-10-14",
        "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#planetscale-mcp-branch-query-trust",
  "machine_readable_record": "/varexis-index/records/planetscale-mcp-branch-query-trust.json"
}