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  "record_id": "VXI-EXT-TOOL-TRUST-REDIS-01-v1",
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  "title": "Redis MCP: Database ACLs and state-changing memory tools",
  "system": "Redis MCP",
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  "canonical_question": "What prevents a Redis agent from changing session memory while performing a read task?",
  "near_questions": [
    "Can Redis MCP modify session memory?",
    "Which Redis ACL identity is used by the agent?",
    "Do Redis MCP search prompts guarantee read-only access?",
    "Can Redis ACLs restrict the keys an MCP tool reaches?",
    "Can a Redis MCP queue operation remove an item?",
    "Can Redis MCP publish messages to other consumers?",
    "Does storing memory in Redis establish an expiry policy?",
    "Which Redis database number is selected?",
    "Is TLS enabled for the Redis connection?",
    "What should I check before exposing session keys to an agent?",
    "What evidence distinguishes Redis reads from state changes?",
    "What should be rechecked after Redis ACL changes?"
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    {
      "claim": "The Redis MCP server exposes both retrieval and state-changing tools. Its documentation points to Redis ACLs for database restrictions. Identify the database user, command scope and permitted keys; having a memory interface does not make the session read-only or establish a retention policy.",
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    "source_title": "Redis MCP tools and ACL configuration",
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  "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",
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      "tool": "Redis MCP",
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    "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": "Redis publishes the server; the operator chooses its Redis deployment.",
        "source_ids": [
          "redis-main"
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      {
        "field": "purpose",
        "label": "Purpose",
        "status": "documented",
        "statement": "It lets agent clients manage and search Redis data.",
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      {
        "field": "reads",
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        "statement": "Tools retrieve strings, hashes, collection members and other supported Redis data.",
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      {
        "field": "writes",
        "label": "Write capability",
        "status": "documented",
        "statement": "Tools can set or remove data, publish messages and change stream state.",
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      {
        "field": "auth",
        "label": "Authentication",
        "status": "documented",
        "statement": "Database username and password or supported deployment-specific identity options configure authentication.",
        "source_ids": [
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      {
        "field": "permissions",
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        "statement": "Redis ACLs can restrict database access; the documentation includes a read-only identity example.",
        "source_ids": [
          "redis-main"
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      {
        "field": "egress",
        "label": "Data leaving the environment",
        "status": "review_inference",
        "statement": "Data retrieved from Redis reaches the client; new memory writes persist according to database settings.",
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        "field": "failures",
        "label": "Failure modes to consider",
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        "source_id": "redis-main",
        "url": "https://github.com/redis/mcp-redis",
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      "integrity": "Hashes identify content versions; they do not prove truth or provide a signature."
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    "revalidation": {
      "trigger": "Recheck when permissions, deployment, authentication, source guidance or intended use changes; a purchase does not trigger revalidation.",
      "specific_watch": "Recheck ACLs, database selection, expiry and supported tools."
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        "version": 1,
        "date": "2026-10-14",
        "change": "Initial documentation review; no earlier vendor assessment claimed."
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