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costguard

v0.1.0

Costguard cost auditor for Codex: read-only cloud + CI spend checks, dry-run-first CI auto-fixes, and a monthly digest, driven by a bundled skill.

Codex1 Skill

By Mark LaursenLicense: MIT1.1k GitHub starsUpdated 14 hours ago

Directory evidence

Runtimes
Codex
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 costguard for Codex

Installs for the current user
codex plugin marketplace add hashgraph-online/awesome-codex-plugins
codex plugin marketplace upgrade awesome-codex-plugins
codex plugin add costguard@awesome-codex-plugins

Paste and run these commands in a terminal with Codex. They add and refresh the awesome-codex-plugins catalog, then install this plugin.

Compatibility: the page URL and API slug “costguard” remain stable.

  • Codex: costguard@agent-plugin-marketplacecostguard@awesome-codex-plugins

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/hashgraph-online/awesome-codex-plugins

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

Plugin files

plugins/mbanderas/costguard/
├── .codex-plugin/plugin.json
└── skills/costguard/SKILL.md

Included Skills1

costguardskills/costguard/SKILL.md

Find and quantify CI/cron and cloud-spend waste. Audit repos, run read-only provider billing checks, preview or apply CI auto-fixes, and render a monthly cost digest.

Plugin manifests1

plugins/mbanderas/costguard/.codex-plugin/plugin.json
{
  "name": "costguard",
  "version": "0.1.0",
  "description": "Costguard cost auditor for Codex: read-only cloud + CI spend checks, dry-run-first CI auto-fixes, and a monthly digest, driven by a bundled skill.",
  "author": {
    "name": "Mark Laursen",
    "url": "https://github.com/mbanderas"
  },
  "homepage": "https://github.com/mbanderas/costguard#readme",
  "repository": "https://github.com/mbanderas/costguard",
  "license": "MIT",
  "keywords": [
    "cost-optimization",
    "ci-minutes",
    "cron",
    "cloud-spend",
    "finops",
    "audit",
    "codex"
  ],
  "skills": "./skills/",
  "interface": {
    "displayName": "Maestro: Costguard",
    "shortDescription": "Find and quantify CI/cron and cloud-spend waste",
    "composerIcon": "./assets/icon.png",
    "longDescription": "Install Costguard in Codex as a plugin: a bundled skill drives the read-only cost auditor — CI/cron waste rules, GitHub/Supabase/Railway/Netlify/Neon billing checks, dry-run-first CI auto-fixes, and a monthly cost digest. Never writes to provider accounts, never pushes git, never prints secrets.",
    "developerName": "Mark Laursen",
    "category": "Productivity",
    "capabilities": [
      "Interactive",
      "Write"
    ],
    "websiteURL": "https://github.com/mbanderas/costguard",
    "brandColor": "#2E9E6B",
    "defaultPrompt": [
      "Audit web-app for CI and cron waste.",
      "Preview costguard's CI fixes for web-app.",
      "Show costguard provider billing checks for all workspaces."
    ]
  }
}

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

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