copilot-codeact-plugin

Agent skills for GitHub Copilot CLI

Works with

Copilot

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5 skills (5 skills found in its SKILL.md files)
10 forks (10 forks)
6mo ago last update (Last updated 6mo ago)

Install

Skills CLI

npx skills add jsturtevant/copilot-codeact-plugin

Asks which skills and agents to install. Just one: npx skills add jsturtevant/copilot-codeact-plugin --skill codeact-install-hyperlight — add -g for every project.

Claude Code

git clone https://github.com/jsturtevant/copilot-codeact-plugincp -r "copilot-codeact-plugin/plugins/codeact/skills/codeact-install-hyperlight" ~/.claude/skills/

Copies the codeact-install-hyperlight skill into ~/.claude/skills/ for every project (use .claude/skills/ for one project). Repeat for the other skills listed below.

Plugin

/plugin marketplace add jsturtevant/copilot-codeact-plugin

Run inside Claude Code if the repository ships a plugin marketplace, then pick plugins from /plugin.

Skills can run code on your machine — read the SKILL.md first.

What it does

In the author's own words, from each skill's SKILL.md.

codeact-install-hyperlight

Switch codeact to the Hyperlight backend (micro-VM sandbox via WebAssembly, stronger isolation). Use when user wants to switch to hyperlight, needs full Python support, or stronger sandbox isolation.
plugins/codeact/skills/codeact-install-hyperlight/SKILL.md on GitHub (opens in a new tab)
codeact-install-monty

Switch codeact to the Monty backend (Pydantic Monty — minimal Python interpreter in Rust, sub-microsecond startup). Use when user wants to switch to monty, use monty backend, or needs lightweight sandboxing.
plugins/codeact/skills/codeact-install-monty/SKILL.md on GitHub (opens in a new tab)
codeact-install

Install or reconfigure codeact. Auto-detects best backend (monty or hyperlight), runs preflight checks, discovers available tools, and writes configuration files. Use when user asks to install, configure, set up, or reconfigure codeact. Supports --global flag for system-wide install.
plugins/codeact/skills/codeact-install/SKILL.md on GitHub (opens in a new tab)
hyperlight-codeact

CodeAct via Hyperlight. Use when looping over many files (8+), cross-referencing results from multiple sources, aggregating data across directories, or chaining 5+ dependent tool calls. Collapses N round-trips into one sandboxed Python run via scripts/codeact.py. NOT beneficial for <5 files or simple grep-then-view — direct tool calls have less overhead at small scale. ESPECIALLY valuable when MC…
plugins/codeact/skills/hyperlight-codeact/SKILL.md on GitHub (opens in a new tab)
monty-codeact

CodeAct via Monty. Use when looping over many files (8+), cross-referencing results from multiple sources, aggregating data across directories, or chaining 5+ dependent tool calls. Collapses N round-trips into one sandboxed Python run via scripts/codeact.py. NOT beneficial for <5 files or simple grep-then-view — direct tool calls have less overhead at small scale. ESPECIALLY valuable when MCP ser…
plugins/codeact/skills/monty-codeact/SKILL.md on GitHub (opens in a new tab)

Review before you install

A skill is a set of instructions and scripts your agent will follow, and it can run code on your machine. Read the SKILL.md and any scripts first — this listing is not a security review.

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copilot-codeact-plugin