Hacktoberfest ends on October 31. If you write Kotlin, or want to, and are looking for a pull request that gets reviewed quickly, here are 13 open issues in Telar . Each one says what to build, which files to read first, and when it's done.

What Telar is

An open-source library (Apache 2.0) for AI agents and workflows in Kotlin Multiplatform. A workflow is a small graph: your own data class is the state, each node is a suspend function that returns a copy of it, and arrows decide what runs next. Around that there are checkpoints, pausing for a person's approval, retries, streaming, a tool-calling agent, MCP tools, and models from Claude, OpenAI, Gemini, Ollama, llama.cpp and LangChain4j. It runs on the JVM, Android, iOS, desktop and in the browser.

It's an early alpha, written mostly by one person, which is why your pull request matters here and doesn't disappear in a queue.

What happens to your pull request

The first fix from outside the project came in this week.…