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ifc-lite: Instructions file for Claude Code

CLAUDE.md

ifc-lite CLAUDE.md is an instructions file for Claude Code from LTplus-AG/ifc-lite. It costs 34 tokens per session, scanned A, original, MPL-2.0.

Project instructions for ifc-lite, a software project for working with IFC building-model files. They point coding assistants to the full guidelines in AGENTS.md.

In plain words
What is it for?
Orienting an AI assistant before it changes the ifc-lite codebase.
Why use it?
They identify where the project’s complete instructions live, reducing the chance of following incomplete guidance.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md. Also seen: mentions Claude Code; mentions AGENTS.md.

This is LTplus-AG/ifc-lite's own configuration. It tells Claude Code how to work on ifc-lite 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 ifc-lite configures →

not rated 461repo +7 today A scan 34 tokens original MPL-2.0
View source ↗ LTplus-AG/ifc-lite ifclite.dev
Reuse

Borrowing it

Nothing to install: this file belongs to LTplus-AG/ifc-lite. 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/LTplus-AG/ifc-lite/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/LTplus-AG/ifc-lite

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 ifc-lite CLAUDE.md

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

Your own site · 80×15
<a href="https://agentmods.dev/instructions/ltplus-ag/ifc-lite/claude-md"><img src="https://agentmods.dev/badge/instructions/ltplus-ag/ifc-lite/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 34 This file is loaded in full into every session.
When invoked 34 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 $0.00034 $0.00034
Opus 5.5 $0.00014 $0.00014
Sonnet 5.5 $0.00007 $0.00007
Haiku 4.5 $0.00003 $0.00003

Measured 2mo ago against content hash 7c260929e08e, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

ifc-lite 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 · 4 lines

What it actually says

Claude Code Guidelines for ifc-lite

See AGENTS.md for the full agent guidelines used by all AI assistants in this project.

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 · 4 lines · 34 tokens per session scan A 7c260929e08e

Subscribe to this mod's changes

ifc-lite CLAUDE.md is an instructions file published in the GitHub repository LTplus-AG/ifc-lite (461 stars, last pushed today), licensed MPL-2.0. It adds 34 tokens to every session, about $0.0001 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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Related

ifc-lite CLAUDE.md compared with instructions from other repositories

ifc-lite CLAUDE.md next to 6 instructions from other repositories
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