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Claude Desktop

costwright — agent budget analysis for Claude Desktop

io.github.hernaninverso/costwright-mcp

Static worst-case token-budget analysis for LLM-agent workflows + signed budget certificates.

client:Claude Desktop transport:stdio runtime:npm

Install costwright — agent budget analysis in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "costwright-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "costwright-mcp"
      ],
      "env": {
        "COSTWRIGHT_API_KEY": "<COSTWRIGHT_API_KEY>"
      }
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs

costwright — agent budget analysis in other clients

costwright — agent budget analysis MCP server