Maestro: Costguard icon

Maestro: Costguard

Cost auditor for Codex that flags CI/cron and cloud-spend waste via read-only provider checks, then previews and applies surgical CI workflow fixes locally without writing to provider accounts or pushing git.

mark-laursen/costguard · v0.1.0 · Tools & Integrations

Mark Laursenreview

Trust Score

78

Security

76

Surfaces

2

What is Maestro: Costguard?

Maestro: Costguard is a published tools & integrations plugin for AI coding agents in the codex ecosystem, developed by Mark Laursen and distributed through the HOL AI plugin registry. Cost auditor for Codex that flags CI/cron and cloud-spend waste via read-only provider checks, then previews and applies surgical CI workflow fixes locally without writing to provider accounts or pushing git.

Canonical slug
mark-laursen/costguard
Version
v0.1.0 · updated Sep 20, 2026

Trust & Reputation

HOL Trust Score
78

Factor Analysis

Per-metric points (0–100 each) combined via a weighted average into the overall score.

Installability
76pts
Maintenance
100pts
MCP Posture
100pts
Plugin Security
76pts
Provenance
70pts
Publisher Quality
75pts

Registry Snapshot

Publisher verification
No
Marketplace source
Unknown
Scanner
Broker fallback
Safety label
review
Digest verified
Yes
2 bundled skills — copy or download SKILL.mdOpen skills

Trust & reputation

Trust & Reputation

HOL Trust Score
78

Factor Analysis

Per-metric points (0–100 each) combined via a weighted average into the overall score.

Installability
76pts
Maintenance
100pts
MCP Posture
100pts
Plugin Security
76pts
Provenance
70pts
Publisher Quality
75pts

Provenance

Plugin root
.
Source repo
https://github.com/mbanderas/costguard
Source commit
990471f8570a…
Publisher verified
No
Owner verified
Not owner verified

Continuous scanner CI detected

No action is required. This plugin receives the full trust score.

Verified badge not detected

Add the HOL verified badge to the repository README to score +2% trust. Plugin owners can open that pull request from Guard Plugins.

Security Posture

review
Safety label
76
Security score
0
High findings
Provider
registry-broker-fallback
Grade
C · review
Version
Unknown
cisco-skill-scanner: unknown

Findings

mediumpublishabilitypublishability.link.missing.privacyPolicyURL

privacyPolicyURL should be present for marketplace readiness.

mediumpublishabilitypublishability.link.missing.termsOfServiceURL

termsOfServiceURL should be present for marketplace readiness.

infoskill-securityskill-scan.unavailable

Cisco skill scanner timed out after 60000 ms

infoskill-securityskill-scan.unavailable

Cisco skill scanner timed out after 60000 ms

Maestro: Costguard — Frequently asked questions

What is Maestro: Costguard?
Maestro: Costguard is an AI plugin in the HOL registry. Cost auditor for Codex that flags CI/cron and cloud-spend waste via read-only provider checks, then previews and applies surgical CI workflow fixes locally without writing to provider accounts or pushing git.
How do I install Maestro: Costguard?
Install Maestro: Costguard in your harness: Codex — codex plugin marketplace add mbanderas/costguard; Claude Code — /plugin marketplace add mbanderas/costguard; Any agent — npx skills add mbanderas/costguard. Full step-by-step guidance is on the HOL plugin page.
How do I install Maestro: Costguard in Codex?
To install Maestro: Costguard in Codex, start with codex plugin marketplace add mbanderas/costguard. The complete step-by-step install guide for Codex is on the HOL plugin page.
How do I install Maestro: Costguard in Claude Code?
To install Maestro: Costguard in Claude Code, start with /plugin marketplace add mbanderas/costguard. The complete step-by-step install guide for Claude Code is on the HOL plugin page.
Is Maestro: Costguard free?
Pricing for Maestro: Costguard is published on its HOL plugin page when the maker schedules a launch.
Who publishes Maestro: Costguard?
Maestro: Costguard is published by Mark Laursen and listed on HOL.
Is Maestro: Costguard available now?
Maestro: Costguard availability is listed on its HOL plugin page.

Install Guidance

Install in Claude Code

Install through the Claude Code plugin marketplace.

Claude Code plugin docs
  1. 1

    Add the marketplace

    Run this inside a Claude Code session.

    claude code
  2. 2

    Install the plugin

    Use the plugin name and the marketplace name shown by the previous command.

    claude code
  3. 3

    Scripted alternative

    Non-interactive equivalent for scripts and CI pipelines. Add --scope project to pin the install to one repository.

    shell

Plugin Manifest

{
  "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": "./",
  "interface": {
    "displayName": "Maestro: Costguard",
    "developerName": "Mark Laursen",
    "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.",
    "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."
    ]
  },
  "registryIndexVersion": 5
}

Marketplace Source

Repo URL
https://github.com/mbanderas/costguard
Marketplace path
Unknown
Source path
plugins/mbanderas/costguard
Install policy
AVAILABLE

Skills

2 SKILL.md files ship with this plugin. Preview, copy, or download each one, then install them with the Skills CLI.

Share
skills-cli
  • costguard

    integrations/cline/skills/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.

    SKILL.md content is not in this snapshot. Open the raw file to copy it from the source repository.

  • costguard

    skills/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.

    SKILL.md content is not in this snapshot. Open the raw file to copy it from the source repository.

File Inventory

.claude-plugin/plugin.json

file

896 bytes

2475ad87fc5bac84…

.codex-plugin/plugin.json

plugin-manifest

1,338 bytes

e71341af82e04ba9…

assets/icon.png

asset

47,496 bytes

6847b73cbd91b360…

commands/costguard-audit.md

file

1,979 bytes

bd50d66e8d948f5b…

commands/costguard-fix.md

file

1,990 bytes

fb907ee2048e66e9…

commands/costguard-live.md

file

2,118 bytes

d8858e06f491e84b…

eslint.config.js

file

481 bytes

d6da92715ec84951…

integrations/cline/skills/costguard/SKILL.md

skill

2,348 bytes

6c834a2e8aaef499…

package.json

file

2,157 bytes

3ac415d365aed045…

pnpm-lock.yaml

file

85,753 bytes

c2aaa595b370102f…

README.md

file

24,101 bytes

c8cb618967a1320f…

SECURITY.md

file

1,516 bytes

2383c60f2602cdbd…

skills/costguard/SKILL.md

skill

9,341 bytes

49f1358af6203396…

tsconfig.json

file

559 bytes

39de7e97b72d2585…