{
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        "statement": "The agent chooses a tool call and the LangChain runtime invokes application code, middleware, or a configured tool node.",
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        "sourceIds": [
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      },
      {
        "id": "fact.langchain.tools.authorization",
        "statement": "Tool context, secrets, stores, external APIs, error handling, and human approval remain separate host-controlled boundaries.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.langchain.tools"
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      },
      {
        "id": "fact.langchain.tools.boundary",
        "statement": "Tool selection and schema conformance do not prove correct reasoning, authorized mutation, external completion, factual output, or production use.",
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        "sourceIds": [
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  "category": "platform-integration",
  "state": "prepared",
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  "contentHash": "sha256:bd50ab74020e4a3c9ee017dd42150a0fad468137134bef2c94965fe5ed109ad3",
  "owner": {
    "id": "platos-kallipolis",
    "name": "Plato's Kallipolis",
    "type": "organization",
    "accountabilityUrl": "https://platoskallipolis.com/about"
  },
  "access": {
    "mode": "public",
    "url": "https://platoskallipolis.com/resources/platform-integration/langchain-tools.json",
    "authentication": "none",
    "robotsAllowed": true
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  "provenance": {
    "method": "primary-source",
    "sources": [
      {
        "id": "source.langchain.tools",
        "url": "https://docs.langchain.com/oss/python/langchain/tools",
        "title": "LangChain Tools",
        "publisher": "LangChain",
        "observedAt": "2026-08-28T09:25:24Z"
      }
    ]
  },
  "observedAt": "2026-08-28T09:25:24Z",
  "freshness": {
    "policy": "max-age",
    "state": "current",
    "nextReviewAt": "2026-09-04T09:25:24Z",
    "maxAgeSeconds": 604800
  },
  "license": {
    "id": "source-terms-apply",
    "url": "https://github.com/langchain-ai/langchain/blob/master/LICENSE",
    "redistributionAllowed": false
  },
  "evidence": [
    {
      "id": "evidence.langchain.tools",
      "type": "source-claim",
      "url": "https://docs.langchain.com/oss/python/langchain/tools",
      "observedAt": "2026-08-28T09:25:24Z"
    }
  ]
}