Getting it into your agent
It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.
git clone --depth 1 https://github.com/Muriel-Salvan/x_aeon_agentsnpx agentmods add skills/muriel-salvan/x_aeon_agents/enforcing-project-rulesWrote 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/muriel-salvan/x_aeon_agents/enforcing-project-rules)<a href="https://agentmods.dev/skills/muriel-salvan/x_aeon_agents/enforcing-project-rules"><img src="https://agentmods.dev/badge/skills/muriel-salvan/x_aeon_agents/enforcing-project-rules/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/muriel-salvan/x_aeon_agents/enforcing-project-rules"><img src="https://agentmods.dev/badge/skills/muriel-salvan/x_aeon_agents/enforcing-project-rules.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00080 | $0.00355 |
| Opus 5.5 | $0.00032 | $0.00142 |
| Sonnet 5.5 | $0.00016 | $0.00071 |
| Haiku 4.5 | $0.00008 | $0.00036 |
Grade A, and why
enforcing-project-rules 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 2mo 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.
What it actually says
Enforcing project rules
Inform the user
- Always tell the user "SKILL: I am enforcing project rules" to inform the user that you are running this skill.
Non-negotiable Rules and Constraints to follow (MANDATORY)
Rule: Execute all CLI commands from the workspace's root directory
Example: Incorrect
cd scripts
./run_tests ../spec/*_spec.rb
Example: Correct
./scripts/run_tests spec/*_spec.rb
Rationale
The API entry points and tools of a repository all have a consistent usage that does not depend on the caller context. Everything starts from the workspace root directory.
Rule: Use only the git branch that is already checked out
Example: Incorrect
git checkout {another_branch}
git switch {another_branch}
Rationale
The current branch gives you a safe space to modify files without impacting other branches.
When to use it
- This skill can be used when in Plan mode.
- Always use it every time another skill specifically mentions
skill: enforcing-project-rules. - Always use it every time the user asks you to follow project rules.
- Always use it every time you implement a task in a project.
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.
- 2mo ago First seen · 54 lines · 80 tokens per session scan A e765594c807e
enforcing-project-rules is a skill published in the GitHub repository Muriel-Salvan/x_aeon_agents (2 stars, last pushed 3d ago), licensed BSD-3-Clause. It adds 80 tokens to every session and 355 once invoked, about $0.0003 per session on Opus 5.5. 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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