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evals mcp server for VS Code

io.github.cyanheads/evals-mcp-server

Author verifiable eval records through a draft→review→revise→submit loop with enforced graders.

client:VS Code transport:stdio runtime:npm

Install evals mcp server in VS Code

.vscode/mcp.json

{
  "inputs": [
    {
      "type": "promptString",
      "id": "evals-data-dir",
      "description": "EVALS_DATA_DIR",
      "password": true
    },
    {
      "type": "promptString",
      "id": "evals-require-confirmation",
      "description": "EVALS_REQUIRE_CONFIRMATION",
      "password": true
    },
    {
      "type": "promptString",
      "id": "evals-default-license",
      "description": "EVALS_DEFAULT_LICENSE",
      "password": true
    },
    {
      "type": "promptString",
      "id": "evals-capture-dir",
      "description": "EVALS_CAPTURE_DIR",
      "password": true
    },
    {
      "type": "promptString",
      "id": "mcp-log-level",
      "description": "MCP_LOG_LEVEL",
      "password": true
    }
  ],
  "servers": {
    "evals-mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/evals-mcp-server"
      ],
      "env": {
        "EVALS_DATA_DIR": "${input:evals-data-dir}",
        "EVALS_REQUIRE_CONFIRMATION": "${input:evals-require-confirmation}",
        "EVALS_DEFAULT_LICENSE": "${input:evals-default-license}",
        "EVALS_CAPTURE_DIR": "${input:evals-capture-dir}",
        "MCP_LOG_LEVEL": "${input:mcp-log-level}"
      }
    }
  }
}

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

evals mcp server in other clients