Tools

A tool is a function with a typed input and a typed output. Agents call tools, and so do flow steps. Kindgi checks the input before your code runs and the output after it returns, so neither side gets malformed data.

• Write a tool: a function in TypeScript or Python, tried from a flow, tested, and wired onto an agent.
• Call an HTTP API without code: a tool that is one HTTP request, made by Kindgi.
• Give a tool a secret: declare the secret, read it from the call's context, keep it out of your code.
• Mark a tool read-only: what mutating: false changes for dry runs and approval gates.
• Use an MCP server's tools: register an MCP server, and its tools become tools your agents and flows call.

The examples use the pack from the quickstarts, my-pack (TypeScript, Python), with kindgi dev running.