RedBison
Down since Oct 29dev.redbison/mcpv2.1.0 Domain verified
500+ free tools over MCP: dev, text and security utilities, 230+ calculators. No sign-up.
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Try it
Call this server's tools from your browser. Nothing to install.
https://mcp.redbison.dev
Requests go through mcptry because browsers can't call most MCP servers directly. Header values are sent to the server for that request only and are never stored or logged.
Connect to load this server's tools.
Install
Pick your client. Values in capitals, like YOUR_TOKEN, are yours to fill in.
Run in a terminal
claude mcp add --transport http mcp https://mcp.redbison.dev
Tools
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