NestDaddy

costwright — agent budget analysis

io.github.hernaninverso/costwright-mcp · v0.1.1

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

Connect Runs on your machine

Terminal
claude mcp add costwright-mcp -e COSTWRIGHT_API_KEY=<COSTWRIGHT_API_KEY> -- npx -y [email protected]
claude_desktop_config.json
{
  "mcpServers": {
    "costwright-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "COSTWRIGHT_API_KEY": "<COSTWRIGHT_API_KEY>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "costwright-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "COSTWRIGHT_API_KEY": "<COSTWRIGHT_API_KEY>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "costwright-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "COSTWRIGHT_API_KEY": "<COSTWRIGHT_API_KEY>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
COSTWRIGHT_API_KEY
Optional, secret
API key for costwright (RapidAPI key or direct Bearer). Only needed for check/certify; verify/pubkey are public.

Details

Package[email protected] (NPM, stdio)
First published30 Jun 2026
Last updated30 Jun 2026
Registry nameio.github.hernaninverso/costwright-mcp

More ai and media servers See all

Listing data from the official MCP registry. Status and tools from NestDaddy's daily check. Browse all MCP servers.