Free tools

Free tools, built on work we have shipped.

Each one runs entirely in your browser. Nothing is uploaded, nothing is stored, and none of them ask for an email address.

  • MCP tool-schema audit

    Paste a tools/list response and see what the list costs in context, which definitions read alike enough to confuse a model, and which parameters it cannot fill.

    For anyone shipping an MCP server

  • Automation break-even calculator

    Four numbers decide whether automating a task pays for itself. This works it out in hours, and tells you when the answer is no.

    For owners and operations leads