{
  "id": "agent-core-impl:opencode.core@1.x",
  "_kind": "AgentCoreImpl",
  "_file": "agent-stack/core-impls/opencode-core-1-x.yaml",
  "_cluster": "agent-stack",
  "attributes": {
    "displayName": "OpenCode Core (1.x)",
    "agentVersionId": "agentVersion:opencode:ge-0-0-0",
    "packageRef": "source-ref:opencode-github",
    "loopIteratorPolicy": "tool-use-loop",
    "loopIteratorNotes": "Tool-use loop driven by whichever provider OpenCode is configured against\n(Anthropic Messages, OpenAI Responses, or Gemini generateContent). OpenCode\nnormalizes provider stop signals into a single internal end-of-turn event and\nadvances the loop until that event fires or the user interrupts.\n",
    "contextManagementStrategy": "platform-managed",
    "compactionTriggerNotes": "OpenCode delegates compaction to whichever provider is in use; no in-CLI\nthreshold is exposed.\n",
    "subagentInvokerPolicy": "tool-call-handoff",
    "subagentInvokerNotes": "OpenCode supports the ACP-style sub-agent handoff: a structured tool call with\na target agent identifier triggers a child loop in the same process.\n",
    "resultSynthesisPolicy": "model-direct",
    "resultSynthesisNotes": "Final assistant text is streamed via SSE (HTTP variant) or stdout (subprocess\nvariant); a `session-idle` event is emitted when the last chunk arrives and\nno tool calls remain.\n",
    "stopDetectionStrategy": "structured-end-event",
    "transportClientLibrary": "opencode-internal",
    "supportedTransportProtocols": [
      "model-transport:anthropic-messages",
      "model-transport:openai-responses",
      "model-transport:gemini-generate-content"
    ],
    "parallelToolCallHandling": "native",
    "streamingFidelity": "full",
    "thinkingChannelHandling": "not-supported"
  },
  "outgoingEdges": [
    {
      "from": "agent-core-impl:opencode.core@1.x",
      "to": "layer:4-agent-core",
      "kind": "realizes",
      "attributes": {}
    },
    {
      "from": "agent-core-impl:opencode.core@1.x",
      "to": "agent:opencode",
      "kind": "composes",
      "attributes": {
        "role": "core"
      }
    },
    {
      "from": "agent-core-impl:opencode.core@1.x",
      "to": "model-transport:gemini-generate-content",
      "kind": "speaks",
      "attributes": {}
    },
    {
      "from": "agent-core-impl:opencode.core@1.x",
      "to": "model-transport:anthropic-messages",
      "kind": "speaks",
      "attributes": {}
    },
    {
      "from": "agent-core-impl:opencode.core@1.x",
      "to": "model-transport:openai-responses",
      "kind": "speaks",
      "attributes": {}
    },
    {
      "from": "agent-core-impl:opencode.core@1.x",
      "to": "capability:can-fork",
      "kind": "supports",
      "attributes": {
        "versionRange": ">=1.0.0 <2.0.0",
        "level": "full",
        "notes": "OpenCode supports session forking — a session can be branched\nfrom a prior turn and explored independently.\n"
      }
    },
    {
      "from": "agent-core-impl:opencode.core@1.x",
      "to": "capability:parallel-tool-calls",
      "kind": "supports",
      "attributes": {
        "versionRange": ">=1.0.0 <2.0.0",
        "level": "full",
        "notes": "OpenCode loop dispatches tool calls in parallel.\n"
      }
    },
    {
      "from": "agent-core-impl:opencode.core@1.x",
      "to": "capability:streaming",
      "kind": "supports",
      "attributes": {
        "versionRange": ">=1.0.0 <2.0.0",
        "level": "full",
        "notes": "OpenCode streams model output through the TUI presentation layer.\n"
      }
    },
    {
      "from": "agent-core-impl:opencode.core@1.x",
      "to": "capability:supports-tool-use",
      "kind": "supports",
      "attributes": {
        "versionRange": ">=1.0.0 <2.0.0",
        "level": "full"
      }
    },
    {
      "from": "agent-core-impl:opencode.core@1.x",
      "to": "orch-primitive:workspace-snapshot",
      "kind": "supports_orchestration_primitive",
      "attributes": {}
    },
    {
      "from": "agent-core-impl:opencode.core@1.x",
      "to": "orch-primitive:agent-dispatch",
      "kind": "supports_orchestration_primitive",
      "attributes": {}
    },
    {
      "from": "agent-core-impl:opencode.core@1.x",
      "to": "orch-primitive:progress-stream",
      "kind": "supports_orchestration_primitive",
      "attributes": {}
    }
  ],
  "incomingEdges": [
    {
      "from": "agentVersion:opencode:ge-0-0-0",
      "to": "agent-core-impl:opencode.core@1.x",
      "kind": "composed_of",
      "attributes": {
        "role": "core"
      }
    },
    {
      "from": "model-transport:gemini-generate-content",
      "to": "agent-core-impl:opencode.core@1.x",
      "kind": "spoken_by",
      "attributes": {}
    }
  ]
}