Borrowing it
Nothing to install: this file belongs to yschimke/compose-ai-tools. 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/yschimke/compose-ai-tools/main/.github/copilot-instructions.mdgit clone --depth 1 https://github.com/yschimke/compose-ai-toolsWrote 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/yschimke/compose-ai-tools/copilot-instructions)<a href="https://agentmods.dev/instructions/yschimke/compose-ai-tools/copilot-instructions"><img src="https://agentmods.dev/badge/instructions/yschimke/compose-ai-tools/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/yschimke/compose-ai-tools/copilot-instructions"><img src="https://agentmods.dev/badge/instructions/yschimke/compose-ai-tools/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 | $0.00132 | $0.00132 |
| Opus 5.5 | $0.00053 | $0.00053 |
| Sonnet 5.5 | $0.00026 | $0.00026 |
| Haiku 4.5 | $0.00013 | $0.00013 |
Grade A, and why
compose-ai-tools 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 1mo 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
Copilot instructions
Read AGENTS.md at the repository root. It is the canonical
instruction file for every agent working here: the CI-enforced invariants (agent
attribution, branch prefix, conventional commits, formatting, PR-state re-check),
the PR workflow, and the map to docs/.
Copilot reads root AGENTS.md natively, so this file adds nothing beyond
pointing at it — deliberately, so no rule is stated in two places. If this file
and AGENTS.md ever disagree, AGENTS.md wins.
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.
- 1mo ago First seen · 11 lines · 132 tokens per session scan A 9ed68f2e43ad
compose-ai-tools copilot-instructions.md is an instructions file published in the GitHub repository yschimke/compose-ai-tools (121 stars, last pushed today), licensed Apache-2.0. It adds 132 tokens to every session, about $0.0005 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.
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