llama-server -m model.gguf --ui-mcp-proxy

MCPクライアント（llama-server など）
        ↓ MCP over HTTP (POST /mcp)
   mcp-gateway :8787
     ↙    ↓    ↘
 filesystem  brave  ...子MCPサーバー群

cp .env.example .env   # 必要に応じて PORT を変更
mkdir -p data          # filesystem-mcp の対象ディレクトリ
docker compose up --build

{
  "filesystem": { "command": "npx", "args": ["-y", "@modelcontextprotocol/server-filesystem", "/data"] },
  "brave": { "command": "npx", "args": ["-y", "@modelcontextprotocol/server-brave-search"], "env": { "BRAVE_API_KEY": "..." } }
}

# initialize
curl http://localhost:8787/mcp \
  -H 'content-type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2024-11-05","capabilities":{},"clientInfo":{"name":"test","version":"0"}}}'

# tools/list
curl http://localhost:8787/mcp \
  -H 'content-type: application/json' \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/list"}'

# tools/call（ツール名は <サーバー名>__<ツール名> の形式）
curl http://localhost:8787/mcp \
  -H 'content-type: application/json' \
  -d '{"jsonrpc":"2.0","id":3,"method":"tools/call","params":{"name":"filesystem__read_file","arguments":{"path":"/data/hello.txt"}}}'

pnpm install
pnpm test     # vitest
pnpm lint     # biome
pnpm dev      # tsx で起動