---
title: "Agents and open source"
description: "The extensions, skills and tools I build for my own work with coding agents, published as they are: usage, install and source code."
url: "https://mc-stud.io/en/open-source"
lang: "en"
updated: "2026-10-12"
---

Agents and open source

# Tools for coding with agents

The extensions, skills and tools I build for my own work with coding agents, published as they are: what they do, when to reach for them, how to install them.

[github.com/ZEDIUM-Off](https://github.com/ZEDIUM-Off)

708

**commits in 12 months**

6

**public repositories**

11 October 2026

**last update**

1

**GitHub star**

GitHub figures taken on 12 October 2026.

Beta Pi context

## [pi-context-tree](https://mc-stud.io/en/open-source/pi-context-tree)

An extension for the Pi coding agent that injects the right context at the right time, by path and operation, from CONTEXT.json files versioned in the repository.

**12** commits / 12 months

v0.4.2

`ZEDIUM-Off/pi-context-tree`

Beta Pi subagents

## [pi-runtime-monitor](https://mc-stud.io/en/open-source/pi-runtime-monitor)

A lightweight Pi extension that shows, in the footer, the CPU, memory and aggregated usage of your session’s subagents.

**3** commits / 12 months

v0.1.1

`ZEDIUM-Off/pi-runtime-monitor`

Experimental skills planning

## [plan-writer](https://mc-stud.io/en/open-source/skills)

My shared agent skills, installable with the skills CLI; for now plan-⁠writer, which helps write structured implementation plans.

**4** commits / 12 months

`ZEDIUM-Off/skills`

Experimental agent flows Rust

## [Zedflow](https://mc-stud.io/en/open-source/zedflow)

A local engine and studio for typed agent flows: every flow is a graph validated before it runs, with controlled context, human approvals and a trace of every turn.

**678** commits / 12 months

v0.2.0

`ZEDIUM-Off/zedflow`

Beta CLI accounting

## [pennylane-cli](https://mc-stud.io/en/open-source/pennylane-cli)

An agent-friendly CLI that exposes the Pennylane API v2 as commands with JSON output, plus an escape hatch for raw requests.

**2** commits / 12 months

v0.1

`ZEDIUM-Off/pennylane-cli`

Experimental Pi context

## [.pi](https://mc-stud.io/en/open-source/pi-config)

My Pi context configuration, its public part: compact agent norms (responsibility, contracts, execution, tech stacks), injected through pi-⁠context-⁠tree.

**9** commits / 12 months

v0.1.0 · 1 ★

`ZEDIUM-Off/.pi`

## Let’s talk about what AI could change for you

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