RemoteFree

RedBison MCP server

dev.redbison/mcp

500+ free tools over MCP: dev, text and security utilities, 230+ calculators. No sign-up.

Install RedBison in Claude Code

Claude Code
claude mcp add --transport http redbison https://mcp.redbison.dev
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "redbison": {
      "url": "https://mcp.redbison.dev"
    }
  }
}

Frequently asked questions

What does the RedBison MCP server do?

500+ free tools over MCP: dev, text and security utilities, 230+ calculators. No sign-up.

Is the RedBison MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does RedBison run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add RedBison to Claude Code?

Run: claude mcp add --transport http redbison https://mcp.redbison.dev

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