lemma CLAUDE.md

lemma CLAUDE.md is an instructions file for coding agents from lemmaoracle/lemma. It costs 11 tokens per session, scanned A, original, no licence file.

Project instructions for Claude Code in lemmaoracle/lemma, a project that verifies facts with cryptographic proofs and records their origin on a blockchain.

In plain words
What is it for?
Guiding code changes in the lemma project, including work related to verified facts, selective disclosure, and on-chain provenance.
Why use it?
They give Claude Code the project context and rules needed to work consistently in that repository.

Instructions file

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add instructions/lemmaoracle/lemma/claude-md
Clone the repo
git clone --depth 1 https://github.com/lemmaoracle/lemma

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 lemma CLAUDE.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/lemmaoracle/lemma/claude-md.svg)](https://agentmods.dev/instructions/lemmaoracle/lemma/claude-md)
Your own site
<a href="https://agentmods.dev/instructions/lemmaoracle/lemma/claude-md"><img src="https://agentmods.dev/badge/instructions/lemmaoracle/lemma/claude-md.svg" alt="Measured on agentmods" height="20"></a>
Per session 11 This file is loaded in full into every session.
When invoked 11 The same file — it is already loaded in full.
Security scan A 0 findings. Scan, not verified.
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 $0.00011 $0.00011
Opus 5 $0.00005 $0.00005
Sonnet 5 $0.00002 $0.00002
Haiku 4.5 $0.00001 $0.00001

Measured 3d ago against content hash 3b2c8a6a80fe, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

lemma 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 3d 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 · 2 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. 3d ago First seen · 2 lines · 11 tokens per session scan A 3b2c8a6a80fe

Subscribe to this mod's changes

lemma CLAUDE.md is an instructions file published in the GitHub repository lemmaoracle/lemma (1 stars, last pushed 4d ago), with no licence file. It adds 11 tokens to every session, about $0.0001 per session on Opus 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 2026-08-31.

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