Opencode-llm-proxy Demo

The workflow JSON

Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →

{
  "name": "opencode-llm-proxy demo",
  "nodes": [
    {
      "parameters": {},
      "id": "5f1a2b3c-0001-4a00-8000-000000000001",
      "name": "When clicking 'Test workflow'",
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        -40,
        300
      ]
    },
    {
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "github-copilot/claude-sonnet-4.6",
          "cachedResultName": "github-copilot/claude-sonnet-4.6"
        },
        "options": {}
      },
      "id": "5f1a2b3c-0002-4a00-8000-000000000002",
      "name": "OpenCode Chat Model",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "typeVersion": 1.2,
      "position": [
        220,
        520
      ],
      "credentials": {
        "openAiApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "promptType": "define",
        "text": "Explain what an n8n workflow is in two sentences.",
        "messages": {}
      },
      "id": "5f1a2b3c-0003-4a00-8000-000000000003",
      "name": "Basic LLM Chain",
      "type": "@n8n/n8n-nodes-langchain.chainLlm",
      "typeVersion": 1.5,
      "position": [
        300,
        180
      ]
    },
    {
      "parameters": {
        "promptType": "define",
        "text": "What is 47 * 89? Use the calculator tool to be sure, then state the result.",
        "options": {}
      },
      "id": "5f1a2b3c-0004-4a00-8000-000000000004",
      "name": "AI Agent",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "typeVersion": 1.7,
      "position": [
        640,
        300
      ]
    },
    {
      "parameters": {},
      "id": "5f1a2b3c-0005-4a00-8000-000000000005",
      "name": "Calculator",
      "type": "@n8n/n8n-nodes-langchain.toolCalculator",
      "typeVersion": 1,
      "position": [
        640,
        540
      ]
    },
    {
      "parameters": {
        "content": "## opencode-llm-proxy demo\n\nBefore running:\n\n1. Start OpenCode with the proxy bound for network access:\n   `OPENCODE_LLM_PROXY_HOST=0.0.0.0 OPENCODE_LLM_PROXY_TOKEN=your-token opencode`\n2. Create an **OpenAI** credential named \"OpenCode Proxy\":\n   - Base URL: `http://<opencode-host-ip>:4010/v1`\n   - API Key: your token\n3. Open the **OpenCode Chat Model** node and pick a model from the dropdown\n   (it auto-populates from `GET /v1/models`).\n\nThe **Basic LLM Chain** shows simple prompt/response.\nThe **AI Agent** + **Calculator** shows real tool/function calling.",
        "height": 300,
        "width": 420
      },
      "id": "5f1a2b3c-0006-4a00-8000-000000000006",
      "name": "Read me",
      "type": "n8n-nodes-base.stickyNote",
      "typeVersion": 1,
      "position": [
        -560,
        160
      ]
    }
  ],
  "connections": {
    "When clicking 'Test workflow'": {
      "main": [
        [
          {
            "node": "Basic LLM Chain",
            "type": "main",
            "index": 0
          },
          {
            "node": "AI Agent",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "OpenCode Chat Model": {
      "ai_languageModel": [
        [
          {
            "node": "Basic LLM Chain",
            "type": "ai_languageModel",
            "index": 0
          },
          {
            "node": "AI Agent",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Calculator": {
      "ai_tool": [
        [
          {
            "node": "AI Agent",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1"
  },
  "meta": {
    "templateCredsSetupCompleted": false
  }
}

Credentials you'll need

Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.

• openAiApi

About this workflow

opencode-llm-proxy demo. Uses lmChatOpenAi, chainLlm, agent, toolCalculator. Event-driven trigger; 6 nodes.

Source: https://github.com/KochC/opencode-llm-proxy/blob/main/docs/examples/n8n/opencode-llm-proxy-demo.workflow.json — original creator credit. Request a take-down →

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