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quadletman: Instructions file for GitHub Copilot

.github/copilot-instructions.md

quadletman copilot-instructions.md is an instructions file for GitHub Copilot from mikkovihonen/quadletman. It costs 192 tokens per session, scanned A, original, MIT.

A set of coding instructions for a specific Python and FastAPI project. FastAPI is a Python framework for building web APIs, while HTMX is a way to update web pages from server responses.

In plain words
What is it for?
Use it when editing that project, especially its asynchronous Python services, HTTP routes, HTMX responses, and documentation.
Why use it?
It gives an AI coding assistant the project’s formatting, architecture, exception-handling, and documentation rules. This helps generated changes match the existing codebase.

Instructions file for GitHub Copilot

Written for GitHub Copilot: a Copilot instructions file. Also seen: mentions CLAUDE.md.

This is mikkovihonen/quadletman's own configuration. It tells GitHub Copilot how to work on quadletman itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything quadletman configures →

not rated 69repo 4d ago A scan 192 tokens original MIT
View source ↗ mikkovihonen/quadletman mikkovihonen.github.io
Reuse

Borrowing it

Nothing to install: this file belongs to mikkovihonen/quadletman. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/mikkovihonen/quadletman/main/.github/copilot-instructions.md
Clone the repo
git clone --depth 1 https://github.com/mikkovihonen/quadletman

Made for: GitHub Copilot.

Wrote 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.

agentmods badge for quadletman copilot-instructions.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/mikkovihonen/quadletman/copilot-instructions/github.svg)](https://agentmods.dev/instructions/mikkovihonen/quadletman/copilot-instructions)
Your own site
<a href="https://agentmods.dev/instructions/mikkovihonen/quadletman/copilot-instructions"><img src="https://agentmods.dev/badge/instructions/mikkovihonen/quadletman/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.

agentmods 80×15 button for quadletman copilot-instructions.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/mikkovihonen/quadletman/copilot-instructions"><img src="https://agentmods.dev/badge/instructions/mikkovihonen/quadletman/copilot-instructions.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 192 This file is loaded in full into every session.
When invoked 192 The same file — it is already loaded in full.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00192 $0.00192
Opus 5.5 $0.00077 $0.00077
Sonnet 5.5 $0.00038 $0.00038
Haiku 4.5 $0.00019 $0.00019

Measured 2mo ago against content hash 8d1acb976730, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

quadletman 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.

.github/copilot-instructions.md · 14 lines

What it actually says

GitHub Copilot Instructions

See CLAUDE.md for full context. Key points for inline completions:

  • Python 3.12+, FastAPI, async/await throughout
  • 100-char line limit, double quotes, space indentation (enforced by ruff)
  • All imports at the top of the file, sorted (stdlib → third-party → first-party)
  • Use contextlib.suppress() instead of try/except/pass
  • Use with open(path) as f: — never bare open(path).read()
  • Chain exceptions: raise HTTPException(...) from exc
  • Routes return HTMX template partials or JSON depending on HX-Request header
  • Service operations go through compartment_manager.py, not lower-level modules directly
  • Before committing, check the Doc Update Protocol in CLAUDE.md and update affected docs in the same commit
Changes

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.

  1. 2mo ago First seen · 14 lines · 192 tokens per session scan A 8d1acb976730

Subscribe to this mod's changes

quadletman copilot-instructions.md is an instructions file published in the GitHub repository mikkovihonen/quadletman (69 stars, last pushed 4d ago), licensed MIT. It adds 192 tokens to every session, about $0.0008 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.

Backend and APIsLanguagesPythonlinuxpodmanpodman-systemdrootless-containerrootless-podmansystemd
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