gitgud-marketplace

A marketplace listing for the GitGud add-on, which provides coding practice challenges with game-like progress features.

In plain words
What is it for?
It is for periodic manual coding challenges, tracking streaks and achievements, and managing skips.
Why use it?
It gives developers a structured way to keep practising coding while using AI for other work.

Plugin for Claude Code

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Claude Code
/plugin marketplace add MissingPackage/gitgud
agentmods
npx agentmods add plugins/missingpackage/gitgud/marketplace
Clone the repo
git clone --depth 1 https://github.com/MissingPackage/gitgud

Made for: Claude Code.

Per session not measured What this adds to a session before it is invoked.
When invoked not measured Not applicable: nothing here is loaded into a session.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

gitgud-marketplace scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.claude-plugin/marketplace.json · 22 lines

What it actually says

{
  "name": "gitgud-marketplace",
  "owner": {
    "name": "Cristiano Mazzella",
    "email": "[email protected]"
  },
  "metadata": {
    "description": "GitGud - Keep your coding skills sharp while using AI",
    "version": "1.1.0"
  },
  "plugins": [
    {
      "name": "gitgud",
      "version": "1.1.0",
      "description": "Keep your coding skills sharp! Periodic manual coding challenges with gamification (streaks, achievements, skip system)",
      "keywords": ["learning", "practice", "skills", "gamification", "hooks", "skill atrophy", "training", "challenges", "gitgud"],
      "license": "MIT",
      "source": "./"
    }
  ]
}
Files

What ships with it

1 file beside marketplace.json in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 22 lines scan A 4dce30a152e5

Subscribe to this mod's changes

gitgud-marketplace is a plugin published in the GitHub repository MissingPackage/gitgud (30 stars, last pushed 7mo ago), licensed MIT. Its token cost is not measured: this kind of file is read by the harness, not the model. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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