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learn-nvim: Instructions file for Claude Code

CLAUDE.md

learn-nvim CLAUDE.md is an instructions file for Claude Code from williancesar/learn-nvim. It costs 778 tokens per session, scanned A, original, no licence file.

Project-specific instructions for learn-nvim, a repository for learning and validating Neovim configuration. Neovim is a customizable text editor used in a terminal.

In plain words
What is it for?
Understanding the project and checking changes to its Neovim configuration.
Why use it?
They collect the repository layout, development commands, and validation steps in one place.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md.

This is williancesar/learn-nvim's own configuration. It tells Claude Code how to work on learn-nvim 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 learn-nvim configures →

not rated 114repo 1y ago A scan 778 tokens no licence
View source ↗ williancesar/learn-nvim
Reuse

Borrowing it

Nothing to install: this file belongs to williancesar/learn-nvim. 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/williancesar/learn-nvim/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/williancesar/learn-nvim

Made for: Claude Code.

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 learn-nvim CLAUDE.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/williancesar/learn-nvim/claude-md/github.svg)](https://agentmods.dev/instructions/williancesar/learn-nvim/claude-md)
Your own site
<a href="https://agentmods.dev/instructions/williancesar/learn-nvim/claude-md"><img src="https://agentmods.dev/badge/instructions/williancesar/learn-nvim/claude-md/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 learn-nvim CLAUDE.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/williancesar/learn-nvim/claude-md"><img src="https://agentmods.dev/badge/instructions/williancesar/learn-nvim/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 778 This file is loaded in full into every session.
When invoked 778 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 $0.00778 $0.00778
Opus 5.5 $0.00311 $0.00311
Sonnet 5.5 $0.00156 $0.00156
Haiku 4.5 $0.00078 $0.00078

Measured 2mo ago against content hash f9c4dc0e4e2f, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

learn-nvim CLAUDE.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.

CLAUDE.md · 79 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

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 · 79 lines · 778 tokens per session scan A f9c4dc0e4e2f

Subscribe to this mod's changes

learn-nvim CLAUDE.md is an instructions file published in the GitHub repository williancesar/learn-nvim (114 stars, last pushed 1y ago), with no licence file. It adds 778 tokens to every session, about $0.0031 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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