{
  "id": "agent-runtime-impl:langgraph.runtime@current",
  "_kind": "AgentRuntimeImpl",
  "_file": "agent-stack/runtime-impls/langgraph-runtime-current.yaml",
  "_cluster": "agent-stack",
  "attributes": {
    "displayName": "LangGraph Runtime (current)",
    "agentVersionId": "agent-version:langgraph@current",
    "packageRef": "source-ref:langgraph-github",
    "builtInTools": [],
    "toolRegistryDiscovery": "dynamic-config",
    "hookSockets": [],
    "internalSessionStateLocation": "user-configured checkpointer / store / thread state",
    "sessionFileFormat": "json",
    "sessionFilePathConvention": "checkpointer/store defined by host application or deployment",
    "approvalGatingPrimitive": "none",
    "subprocessSandboxStrategy": "none",
    "runtimeIdentity": "host-process",
    "supportedMCPTransports": [],
    "supportsStreaming": true,
    "supportedAgentControlVerbs": [
      "interrupt",
      "resume",
      "checkpoint"
    ],
    "ioSurfaceKinds": [],
    "notes": "LangGraph itself is a framework runtime: tools, checkpoint storage, durable\nexecution, human review gates, and IO surfaces are configured by the host\napplication or LangSmith/LangGraph Platform deployment rather than bundled as\na fixed CLI runtime.\n"
  },
  "outgoingEdges": [
    {
      "from": "agent-runtime-impl:langgraph.runtime@current",
      "to": "layer:5-agent-runtime",
      "kind": "realizes",
      "attributes": {}
    },
    {
      "from": "agent-runtime-impl:langgraph.runtime@current",
      "to": "agent:langgraph",
      "kind": "composes",
      "attributes": {
        "role": "runtime"
      }
    },
    {
      "from": "agent-runtime-impl:langgraph.runtime@current",
      "to": "source-ref:langgraph-docs",
      "kind": "sourced_from"
    },
    {
      "from": "agent-runtime-impl:langgraph.runtime@current",
      "to": "source-ref:langchain-agents-docs",
      "kind": "sourced_from"
    },
    {
      "from": "agent-runtime-impl:langgraph.runtime@current",
      "to": "capability:supports-tool-use",
      "kind": "supports",
      "attributes": {
        "versionRange": ">=0.0.0",
        "level": "full",
        "notes": "Tools are host-defined and registered into LangChain/LangGraph agent or\ngraph execution rather than statically bundled.\n"
      }
    },
    {
      "from": "agent-runtime-impl:langgraph.runtime@current",
      "to": "capability:can-resume",
      "kind": "supports",
      "attributes": {
        "versionRange": ">=0.0.0",
        "level": "full",
        "notes": "Runtime persistence is modeled through checkpointers/stores and deployed\nthread-level persistence.\n"
      }
    },
    {
      "from": "agent-runtime-impl:langgraph.runtime@current",
      "to": "capability:streaming",
      "kind": "supports",
      "attributes": {
        "versionRange": ">=0.0.0",
        "level": "full"
      }
    }
  ],
  "incomingEdges": [
    {
      "from": "agent-version:langgraph@current",
      "to": "agent-runtime-impl:langgraph.runtime@current",
      "kind": "composed_of",
      "attributes": {
        "role": "runtime"
      }
    },
    {
      "from": "journal-event:langgraph-stream-values",
      "to": "agent-runtime-impl:langgraph.runtime@current",
      "kind": "journal_event_emitted_by",
      "attributes": {}
    },
    {
      "from": "journal-event:langgraph-stream-updates",
      "to": "agent-runtime-impl:langgraph.runtime@current",
      "kind": "journal_event_emitted_by",
      "attributes": {}
    },
    {
      "from": "journal-event:langgraph-stream-messages",
      "to": "agent-runtime-impl:langgraph.runtime@current",
      "kind": "journal_event_emitted_by",
      "attributes": {}
    },
    {
      "from": "journal-event:langgraph-stream-custom",
      "to": "agent-runtime-impl:langgraph.runtime@current",
      "kind": "journal_event_emitted_by",
      "attributes": {}
    },
    {
      "from": "journal-event:langgraph-stream-checkpoints",
      "to": "agent-runtime-impl:langgraph.runtime@current",
      "kind": "journal_event_emitted_by",
      "attributes": {}
    },
    {
      "from": "journal-event:langgraph-stream-tasks",
      "to": "agent-runtime-impl:langgraph.runtime@current",
      "kind": "journal_event_emitted_by",
      "attributes": {}
    },
    {
      "from": "journal-event:langgraph-stream-debug",
      "to": "agent-runtime-impl:langgraph.runtime@current",
      "kind": "journal_event_emitted_by",
      "attributes": {}
    }
  ]
}