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glassbox-framework

Runtime constitutional verification for AI answers — claim reasoning, ECS, red team, audits.

build.protocol_tooling.mcp
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Install glassbox-framework in your MCP client

glassbox-framework is a Model Context Protocol server. Add it to your MCP client config once, restart, and the server's tools become available to your AI assistant. The same JSON snippet below works across all four major clients — only the config file path differs.

  1. Locate your client's MCP config file.
    • Cursor: ~/.cursor/mcp.json
    • Claude Desktop (macOS): ~/Library/Application Support/Claude/claude_desktop_config.json
    • Claude Desktop (Windows): %APPDATA%\Claude\claude_desktop_config.json
    • VS Code: Settings → Extensions → MCP
    • Windsurf: Settings → MCP Servers
  2. Add glassbox-framework to the mcpServers map — paste the snippet below into your config file. If you already have other MCP servers, merge the entry into the existing mcpServers object.
  3. Restart your client so it picks up the new server.
  4. Verify — ask the assistant to list available tools; glassbox-framework's tools should appear.
{
  "mcpServers": {
    "glassbox-framework": {
      "command": "npx",
      "args": [
        "-y",
        "@glassbox-framework/mcp"
      ],
      "env": {
        "ANTHROPIC_API_KEY": "<your-anthropic-api-key>",
        "GLASSBOX_MODEL": "<your-glassbox-model>",
        "GLASSBOX_MAX_TOKENS": "<your-glassbox-max-tokens>",
        "GLASSBOX_ECS_MODE": "<your-glassbox-ecs-mode>"
      }
    }
  }
}

Install glassbox-framework in Cursor

Open ~/.cursor/mcp.json in your editor, paste the snippet above into mcpServers, save, and restart Cursor. glassbox-framework will show up in the assistant's tool list on next launch.

Install glassbox-framework in Claude Desktop (macOS)

Open ~/Library/Application Support/Claude/claude_desktop_config.json in your editor, paste the snippet above into mcpServers, save, and restart Claude Desktop (macOS). glassbox-framework will show up in the assistant's tool list on next launch.

Install glassbox-framework in Claude Desktop (Windows)

Open %APPDATA%\Claude\claude_desktop_config.json in your editor, paste the snippet above into mcpServers, save, and restart Claude Desktop (Windows). glassbox-framework will show up in the assistant's tool list on next launch.

Install glassbox-framework in VS Code

Open Settings → Extensions → MCP in your editor, paste the snippet above into mcpServers, save, and restart VS Code. glassbox-framework will show up in the assistant's tool list on next launch.

npm package: @glassbox-framework/mcp

Required environment variables

glassbox-framework needs the following environment variables set before it can run. Add them to the env block of your mcpServers entry, or export them in your shell before launching the client.

  • ANTHROPIC_API_KEY
  • GLASSBOX_MODEL
  • GLASSBOX_MAX_TOKENS
  • GLASSBOX_ECS_MODE

Transport

glassbox-framework supports the following MCP transports. Most AI clients use stdio by default for locally-installed servers.

stdio

More build.protocol_tooling.mcp MCP servers

Other Model Context Protocol servers in the same space as glassbox-framework. Each one adds different capabilities to your AI assistant — pick based on the data sources or workflows you need.

Browse the full MCP server directory or use Stork's one-line install to let your agent pick the right server automatically.