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VS Code

Callosium for VS Code

io.github.callosium/callosium

One shared memory for every AI you use, in plain Markdown files you own.

client:VS Code transport:stdio runtime:npm

Install Callosium in VS Code

.vscode/mcp.json 

{
  "inputs": [
    {
      "type": "promptString",
      "id": "callosium-model-dir",
      "description": "CALLOSIUM_MODEL_DIR",
      "password": true
    }
  ],
  "servers": {
    "callosium": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "callosium"
      ],
      "env": {
        "CALLOSIUM_MODEL_DIR": "${input:callosium-model-dir}"
      }
    }
  }
}

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

Callosium in other clients

Callosium MCP server