al-folio is a Jekyll starter for building academic websites, personal sites, and portfolios. It is used by academics who want a responsive site based on independently versioned plugin components.
Borrowing it
Nothing to install: this file belongs to alshedivat/al-folio. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/alshedivat/al-folio/main/.github/copilot-instructions.mdgit clone --depth 1 https://github.com/alshedivat/al-folioWrote 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/instructions/alshedivat/al-folio/copilot-instructions)<a href="https://agentmods.dev/instructions/alshedivat/al-folio/copilot-instructions"><img src="https://agentmods.dev/badge/instructions/alshedivat/al-folio/copilot-instructions/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/instructions/alshedivat/al-folio/copilot-instructions"><img src="https://agentmods.dev/badge/instructions/alshedivat/al-folio/copilot-instructions.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 | $0.00566 | $0.00566 |
| Opus 5.5 | $0.00226 | $0.00226 |
| Sonnet 5.5 | $0.00113 | $0.00113 |
| Haiku 4.5 | $0.00057 | $0.00057 |
Grade A, and why
al-folio copilot-instructions.md 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.
How it starts
The opening of the file, as written. The whole thing — 28 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Copilot Coding Agent Instructions (v1.x)
Read AGENTS.md first — it is the authoritative entry point for all coding agents in this repo. It carries the change-routing table, the stop sign for gem-owned paths, the three silent failure modes, and the validated command set. This file previously duplicated that content; it is now a pointer so the rules cannot drift apart.
In short: al-folio v1.x is a thin Jekyll starter, not a theme. It owns starter wiring (Gemfile, _config.yml), example content, docs, integration tests, and visual parity tests. All runtime — layouts, includes, Sass, Liquid tags, filters, feature JS — lives in versioned gems under al-org-dev. Route runtime changes to the owning gem.
Where to look
| Question | File |
|---|---|
| Which repo does my change belong in? | AGENTS.md |
| Which gem owns this area? | docs/BOUNDARIES.md |
| Which gem owns this Liquid tag? | docs/ARCHITECTURE.md |
| Why did my feature render nothing? | docs/ARCHITECTURE.md |
| What commands should I run? | AGENTS.md |
| How do I contribute? | docs/CONTRIBUTING.md |
Copilot-specific paths
.github/agents/— custom agents (customize.agent.md,docs.agent.md)..github/instructions/— per-file-type instruction files (Liquid, YAML, BibTeX, Markdown, JavaScript)..github/workflows/copilot-setup-steps.yml— pre-installs Ruby, Python, Node, ImageMagick, and nbconvert for the coding agent..agents/skills/— canonical agent skills, also exposed via the.codex/skillsand.claude/skillssymlinks.
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 · 28 lines · 566 tokens per session scan A f5f7343e7a1c
al-folio copilot-instructions.md is an instructions file published in the GitHub repository alshedivat/al-folio (16,309 stars, last pushed 2d ago), licensed MIT. It adds 566 tokens to every session, about $0.0023 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 2026-08-30.
al-folio copilot-instructions.md compared with instructions from other repositories
| Mod | Type | Stars | Last push | Licence | Scan | Tokens | Works with |
|---|---|---|---|---|---|---|---|
| al-folio copilot-instructions.mdalshedivat/al-folio | Instructions file | 16k | 2d ago | MIT | A | 566 | GitHub Copilot |
| vscode buildNext.instructions.mdmicrosoft/vscode | Instructions file | 195k | yesterday | MIT | A | 9,719 | GitHub Copilot |
| next.js AGENTS.mdvercel/next.js | Instructions file | 143k | today | MIT | A | 7,461 | Codex, OpenCode |
| langchain AGENTS.mdlangchain-ai/langchain | Instructions file | 149k | yesterday | MIT | A | 4,680 | Codex, OpenCode |
| vscode oss-third-party-notices.instructions.mdmicrosoft/vscode | Instructions file | 195k | yesterday | MIT | A | 5,516 | GitHub Copilot |
| vscode copilot-instructions.mdmicrosoft/vscode | Instructions file | 195k | yesterday | MIT | A | 3,093 | GitHub Copilot |
| deepseek-harness AGENTS.mddeepseek-ai/deepseek-harness | Instructions file | 274k | 2d ago | MIT | A | 4,313 | Codex, OpenCode |