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narness

v0.1.0

Harness engineering: constrain AI agents with code, hooks and scripts instead of prompts — skills, validation scripts, git hooks and per-tool configs

Claude Code1 Skill

By narnessLicense: MIT0 GitHub starsUpdated yesterday

Directory evidence

Runtimes
Claude Code
Parsed components
1 skill or MCP entry
Source updated
Sep 23, 2026
Manifest status
Canonical path parsed

The directory validates manifest shape and source location. It does not execute the plugin or provide a security endorsement. Review the indexing methodology →

Install narness for Claude Code

Installs for the current user
claude plugin marketplace add IchenDEV/agent-plugin-mkt
claude plugin marketplace update agent-plugin-marketplace
claude plugin install narness@agent-plugin-marketplace

Paste and run these commands in a terminal with Claude Code. They add and refresh the PluginsMP catalog, then install this plugin.

The installer fetches third-party code from the source repository shown on this page. This directory validates manifest structure and source location, but does not perform a security audit; review the manifest, components, and source before installing.

Get the source manually
git clone https://github.com/BestNathan/narness-engineering

Clone the source repository, then follow its setup instructions to add the plugin to a compatible client. The plugin root is plugins/narness/.

Plugin files

plugins/narness/
├── .claude-plugin/plugin.json
└── skills/narness/SKILL.md

Included Skills1

narnessskills/narness/SKILL.md

AI Workspace and harness engineering — design repository contracts, Skills, deterministic constraints, evidence, hooks, Git gates, and CI authority. Use when establishing an AI coding workspace or sinking a repeatedly violated rule into stronger enforcement.

Plugin manifests1

plugins/narness/.claude-plugin/plugin.json
{
  "name": "narness",
  "description": "Harness engineering: constrain AI agents with code, hooks and scripts instead of prompts — skills, validation scripts, git hooks and per-tool configs",
  "version": "0.1.0",
  "author": {
    "name": "narness"
  },
  "license": "MIT",
  "keywords": [
    "harness",
    "hooks",
    "rust",
    "clippy",
    "git",
    "engineering"
  ]
}

For maintainers

If you maintain this plugin, link to this source-backed listing from your README so users can review its manifest and indexed components.

[narness on Agent Plugins Marketplace](https://pluginsmp.com/plugins/narness)