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mcp/harbor
VS Code

langchain mcp for VS Code

io.github.baixianger/langchain-mcp

LangChain/LangGraph/DeepAgents knowledge + LangGraph agent debugging (Polly-like)

client:VS Code transport:stdio runtime:npm

Install langchain mcp in VS Code

.vscode/mcp.json 

{
  "servers": {
    "langchain-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "langchain-mcp"
      ]
    }
  }
}

Requires agent mode. MCP: Open User Configuration puts the same block in every workspace. VS Code docs

langchain mcp in other clients

langchain mcp MCP server