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.
npx skills add hyperb1iss/moonrepo-skill --skill moongit clone --depth 1 https://github.com/hyperb1iss/moonrepo-skillWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/hyperb1iss/moonrepo-skill/moon)<a href="https://agentmods.dev/skills/hyperb1iss/moonrepo-skill/moon"><img src="https://agentmods.dev/badge/skills/hyperb1iss/moonrepo-skill/moon.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00092 | $0.02087 |
| Opus 5 | $0.00046 | $0.01043 |
| Sonnet 5 | $0.00018 | $0.00417 |
| Haiku 4.5 | $0.00009 | $0.00209 |
Grade A, and why
moon 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 6d 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.
How it starts
The opening of the file, as written. The whole thing — 326 lines — stays where its author put it; the contents beside it link to each section on GitHub.
moon - Polyglot Monorepo Build System
moon is a Rust-based repository management, task orchestration, and build system for polyglot monorepos. It provides smart caching, dependency-aware task execution, and unified toolchain management.
moon v2 is now available. Run
moon migrate v2to migrate. Seereferences/v2-migration.mdfor breaking changes.
When to Use moon
- Managing monorepos with multiple projects/packages
- Orchestrating tasks across projects with dependencies
- Caching build outputs for faster CI/local builds
- Managing toolchain versions (Node.js, Rust, Python, Go, etc.)
- Generating project and action graphs
Quick Reference
Core Commands
moon run <target> # Run task(s)
moon run :lint # Run in all projects
moon run '#tag:test' # Run by tag
moon ci # CI-optimized execution
moon check --all # Run all build/test tasks
moon query projects # List projects
moon project-graph # Visualize dependencies
Target Syntax
| Pattern | Description |
|---|---|
project:task |
Specific project and task |
:task |
All projects with this task |
#tag:task |
Projects with tag |
^:task |
Upstream dependencies (in deps) |
~:task |
Current project (in configs) |
Configuration Files
| File | Purpose |
|---|---|
.moon/workspace.yml |
Workspace settings, project discovery |
.moon/toolchains.yml |
Language versions, package managers (v2) |
.moon/tasks/*.yml |
Global inherited tasks (v2) |
moon.yml |
Project-level config and tasks |
v2 Note:
.moon/toolchain.yml→.moon/toolchains.yml(plural),.moon/tasks.yml→.moon/tasks/*.yml
Workspace Configuration
What ships with it
7 files beside SKILL.md 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.
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.
- 6d ago First seen · 326 lines · 92 tokens per session scan A a17df1e8c559
moon is a skill published in the GitHub repository hyperb1iss/moonrepo-skill (5 stars, last pushed 7mo ago), licensed Apache-2.0. It adds 92 tokens to every session and 2,087 once invoked, about $0.0005 per session on Opus 5. 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 2026-08-31.
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