Test your site's WebMCP tools against real models, then watch agents use them
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An Apache-2.0 alternative to Sift and Sardine that returns approve, step-up, review or block with reasons, and lets coding agents build the workflows.
Kairos scores sign-ups, logins, orders, payments and payouts in real time and returns one of four decisions with a risk score and reasons. It pairs logistic regression and gradient-boosted trees with Finic's Grayson model, which answers plain-language questions about an event so you need less labelled data. An MCP server lets Claude Code or Cursor define workflows and run model experiments. Self-host with Node 22 and Docker, or use Kairos Cloud. Either way you need a Grayson API key from Finic, so it is open source with a hosted dependency. 170 stars, 35 commits, no release yet.
Test your site's WebMCP tools against real models, then watch agents use them
Self-host App Store and Google Play keyword tracking, every feature included
A household balance sheet that lives in a file you can open yourself
Screens every agent trace cheaply, then sends a stronger model after bad ones
Self-hosted company OS that runs Claude Code and Codex agents as staff
An open-source safety layer that checks every AI agent action before it runs