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brainlehr: Instructions file for GitHub Copilot

.github/instructions/lessons-learned.instructions.md

brainlehr lessons-learned.instructions.md is an instructions file for GitHub Copilot from 3lehr/brainlehr. It costs 535 tokens per session, scanned A, original, AGPL-3.0.

Instruction rules for brainlehr, a system that records lessons learned and generates rules after a pattern occurs three times.

In plain words
What is it for?
Used to define how lessons are recorded and converted into automatic instructions.
Why use it?
They help turn repeated lessons into reusable guidance instead of leaving the agent to rediscover them.

Instructions file for GitHub Copilot

Written for GitHub Copilot: a Copilot instructions file.

This is 3lehr/brainlehr's own configuration. It tells GitHub Copilot how to work on brainlehr 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 brainlehr configures →

not rated 0repo 2mo ago A scan 535 tokens AGPL-3.0
View source ↗ 3lehr/brainlehr
Reuse

Borrowing it

Nothing to install: this file belongs to 3lehr/brainlehr. 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/3lehr/brainlehr/main/.github/instructions/lessons-learned.instructions.md
Clone the repo
git clone --depth 1 https://github.com/3lehr/brainlehr

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 brainlehr lessons-learned.instructions.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/3lehr/brainlehr/lessons-learned/github.svg)](https://agentmods.dev/instructions/3lehr/brainlehr/lessons-learned)
Your own site
<a href="https://agentmods.dev/instructions/3lehr/brainlehr/lessons-learned"><img src="https://agentmods.dev/badge/instructions/3lehr/brainlehr/lessons-learned/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 brainlehr lessons-learned.instructions.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/3lehr/brainlehr/lessons-learned"><img src="https://agentmods.dev/badge/instructions/3lehr/brainlehr/lessons-learned.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 535 This file is loaded in full into every session.
When invoked 535 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 unknown 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 $0.00535 $0.00535
Opus 5.5 $0.00214 $0.00214
Sonnet 5.5 $0.00107 $0.00107
Haiku 4.5 $0.00053 $0.00053

Measured 2mo ago against content hash e79ada21825f, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

brainlehr lessons-learned.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/instructions/lessons-learned.instructions.md · 14 lines

The source is not reproduced here

Licensed AGPL-3.0

The repository is licensed AGPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

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 · 535 tokens per session scan A e79ada21825f

Subscribe to this mod's changes

brainlehr lessons-learned.instructions.md is an instructions file published in the GitHub repository 3lehr/brainlehr (0 stars, last pushed 2mo ago), licensed AGPL-3.0. It adds 535 tokens to every session, about $0.0021 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 2026-09-04.

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