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mcp local rag for VS Code

io.github.shinpr/mcp-local-rag

Easy-to-setup local RAG server with minimal configuration

client:VS Code transport:stdio runtime:npm

Install mcp local rag in VS Code

.vscode/mcp.json

{
  "inputs": [
    {
      "type": "promptString",
      "id": "base-dir",
      "description": "BASE_DIR",
      "password": true
    },
    {
      "type": "promptString",
      "id": "base-dirs",
      "description": "BASE_DIRS",
      "password": true
    },
    {
      "type": "promptString",
      "id": "db-path",
      "description": "DB_PATH",
      "password": true
    },
    {
      "type": "promptString",
      "id": "cache-dir",
      "description": "CACHE_DIR",
      "password": true
    },
    {
      "type": "promptString",
      "id": "hf-endpoint",
      "description": "HF_ENDPOINT",
      "password": true
    },
    {
      "type": "promptString",
      "id": "model-name",
      "description": "MODEL_NAME",
      "password": true
    },
    {
      "type": "promptString",
      "id": "max-file-size",
      "description": "MAX_FILE_SIZE",
      "password": true
    },
    {
      "type": "promptString",
      "id": "rag-max-distance",
      "description": "RAG_MAX_DISTANCE",
      "password": true
    },
    {
      "type": "promptString",
      "id": "rag-grouping",
      "description": "RAG_GROUPING",
      "password": true
    },
    {
      "type": "promptString",
      "id": "rag-max-files",
      "description": "RAG_MAX_FILES",
      "password": true
    },
    {
      "type": "promptString",
      "id": "chunk-min-length",
      "description": "CHUNK_MIN_LENGTH",
      "password": true
    },
    {
      "type": "promptString",
      "id": "store-images",
      "description": "STORE_IMAGES",
      "password": true
    },
    {
      "type": "promptString",
      "id": "rag-device",
      "description": "RAG_DEVICE",
      "password": true
    },
    {
      "type": "promptString",
      "id": "rag-dtype",
      "description": "RAG_DTYPE",
      "password": true
    },
    {
      "type": "promptString",
      "id": "rag-hybrid-weight",
      "description": "RAG_HYBRID_WEIGHT",
      "password": true
    },
    {
      "type": "promptString",
      "id": "rag-rerank-cmd",
      "description": "RAG_RERANK_CMD",
      "password": true
    },
    {
      "type": "promptString",
      "id": "rag-rerank-timeout-ms",
      "description": "RAG_RERANK_TIMEOUT_MS",
      "password": true
    }
  ],
  "servers": {
    "mcp-local-rag": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "mcp-local-rag"
      ],
      "env": {
        "BASE_DIR": "${input:base-dir}",
        "BASE_DIRS": "${input:base-dirs}",
        "DB_PATH": "${input:db-path}",
        "CACHE_DIR": "${input:cache-dir}",
        "HF_ENDPOINT": "${input:hf-endpoint}",
        "MODEL_NAME": "${input:model-name}",
        "MAX_FILE_SIZE": "${input:max-file-size}",
        "RAG_MAX_DISTANCE": "${input:rag-max-distance}",
        "RAG_GROUPING": "${input:rag-grouping}",
        "RAG_MAX_FILES": "${input:rag-max-files}",
        "CHUNK_MIN_LENGTH": "${input:chunk-min-length}",
        "STORE_IMAGES": "${input:store-images}",
        "RAG_DEVICE": "${input:rag-device}",
        "RAG_DTYPE": "${input:rag-dtype}",
        "RAG_HYBRID_WEIGHT": "${input:rag-hybrid-weight}",
        "RAG_RERANK_CMD": "${input:rag-rerank-cmd}",
        "RAG_RERANK_TIMEOUT_MS": "${input:rag-rerank-timeout-ms}"
      }
    }
  }
}

VS Code prompts for each input the first time the server starts, so no secret is written to the file. VS Code docs

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