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/fabioc-aloha/Alex_Skill_Mallnpx agentmods add skills/fabioc-aloha/alex_skill_mall/github-readme-overrideWrote 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/fabioc-aloha/alex_skill_mall/github-readme-override)<a href="https://agentmods.dev/skills/fabioc-aloha/alex_skill_mall/github-readme-override"><img src="https://agentmods.dev/badge/skills/fabioc-aloha/alex_skill_mall/github-readme-override/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/fabioc-aloha/alex_skill_mall/github-readme-override"><img src="https://agentmods.dev/badge/skills/fabioc-aloha/alex_skill_mall/github-readme-override.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 | $0.00028 | $0.00710 |
| Opus 5 | $0.00014 | $0.00355 |
| Sonnet 5 | $0.00006 | $0.00142 |
| Haiku 4.5 | $0.00003 | $0.00071 |
Grade A, and why
github-readme-override 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 9d 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 — 110 lines — stays where its author put it; the contents beside it link to each section on GitHub.
GitHub README Override
Category: GitHub Time Saved: 30-60 minutes Battle-tested: Yes — multiple projects affected
The Problem
You update your root README.md with new documentation. You push to GitHub. The repo landing page still shows the old content — or worse, a completely different file.
Why It Happens
GitHub treats .github/README.md as a "community health file" and displays it on the repository landing page instead of the root README.md. This is documented behavior but surprising when you don't expect it.
The Hierarchy
GitHub displays the FIRST match found in this order:
1. .github/README.md ← Overrides everything
2. README.md ← Standard location
3. docs/README.md ← Alternative location
The Fix
Option 1: Delete the override
git rm .github/README.md
git commit -m "Remove README override"
git push
Option 2: Rename it
# Keep the file but don't let it override
git mv .github/README.md .github/ABOUT.md
git commit -m "Rename to prevent override"
git push
Option 3: Symlink (if you want both)
# Make .github/README.md a symlink to root
cd .github
ln -s ../README.md README.md
git add README.md
git commit -m "Symlink README"
git push
Note: GitHub renders symlinks, but some Git clients handle them poorly on Windows.
When .github/README.md Is Intentional
Sometimes you want different content on the landing page vs. what developers see locally:
| Use Case | Root README | .github/README |
|---|---|---|
| Internal tool | Technical setup | Public-facing overview |
| Template repo | "How to use template" | "What this template does" |
| Monorepo | Navigation/workspace docs | Project overview |
Verification
# Check if override exists
ls -la .github/README.md
# See what GitHub will display
# Push and check the repo landing page
Common Symptoms
- "I updated README but GitHub shows old content"
- "My README looks different on GitHub vs. locally"
- "README changes aren't showing up"
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.
- 9d ago First seen · 110 lines · 28 tokens per session scan A eb74646ebe04
github-readme-override is a skill published in the GitHub repository fabioc-aloha/Alex_Skill_Mall (4 stars, last pushed yesterday), licensed MIT. It adds 28 tokens to every session and 710 once invoked, about $0.0001 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 2026-09-03.
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