agentmods.dev

lean-md CLAUDE.md

lean-md CLAUDE.md is an instructions file for coding agents from dasTholo/lean-md. It costs 1,142 tokens per session, scanned A, original, Apache-2.0.

Project instructions for lean-md, a Rust project with strict rules for reading, editing, testing, and running commands. They require the project's specific tools and test command.

In plain words
What is it for?
Use them when modifying or testing the lean-md repository.
Why use it?
They prevent common workflow mistakes, such as using the wrong test runner, editing method, command format, or formatting step.

Instructions file

5 1mo ago A scan 1,142 tokens original Apache-2.0
View the source file dasTholo/lean-md
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/dastholo/lean-md/claude-md
Clone the repo
git clone --depth 1 https://github.com/dasTholo/lean-md
Per session 1,142 This file is loaded in full into every session.
When invoked 1,142 The same file — it is already loaded in full.
Security scan A 0 findings. Scan, not verified.
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 $0.01142 $0.01142
Opus 5 $0.00571 $0.00571
Sonnet 5 $0.00228 $0.00228
Haiku 4.5 $0.00114 $0.00114

Measured 3d ago against content hash 5afa2e2a2bb9, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

lean-md 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 · 69 lines

How it starts

The opening of the file, as written. The whole thing — 69 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CLAUDE.md

Startup

@AGENTS.md

Project Hard Rules

lean-ctx tool-discipline (ctx_read/ctx_shell/ctx_search/ctx_tree mapping, read modes, CEP, dense output) is loaded globally via ~/.claude/CLAUDE.md. Full project rules: AGENTS.md + the vendored addon contract docs/CONTRACT.md. Not repeated here — only project deltas below.

  • Tests: always cargo nextest run, never cargo test
  • Edits: Non-symbol → ctx_read(mode=anchored) → ctx_patch (anchored, patch by LINE:HASH, never re-emit old text). ctx_edit only tiny-span/replace-all; symbol rename/move → ctx_refactor. Anchored is the default even over native Edit.
  • Shell — no &&/||/; chaining: every command is its own invocation. Replace cd <dir> && cargo … with cargo … --manifest-path <dir>/Cargo.toml; resolve conditional gates into separate steps with an explicit "Expected:" check.
  • Deferred-tool reflex: see ~/.claude/CLAUDE.md Hard Rules — always ToolSearch(query="select:...") before any Bash workaround.
  • Before git add (per changed file): cargo fmt (this is a standalone crate; Cargo.toml + src/ live at the repo root).
  • No worktrees — work directly on the current branch
  • No Brief-/Report-Files: ctx_session
  • Rendering lmd-skills (this dev-repo): die SKILL.md-Stubs zeigen auf das MCP-Tool ctx_md_render. Es liegt im Gateway-Katalog (dorthin delegiert ctx_read), steht dem Agenten aber nicht als direktes Tool zur Verfügung. Rendere Phasen deshalb direkt über die CLI; probiere nicht vorher MCP / ctx_call: cargo run -q --bin lean-md -- render --skill <skill> --phase <phase> --consumer=ai (Companion statt Phase: --companion <name>). Kein Release-Build — cargo run genügt (nach dem ersten Compile gecached).
  • .lmd.md lesen: ctx_read liefert Roh-Source wie bei jeder anderen Datei; Rendern ist explizit und opt-in (CLI oben bzw. ctx_md_render).
  • PATH-lean-md ist ein Shim aufs released Addon-Binary: ~/.local/bin/lean-md löst das lean-ctx-managed Binary auf (…/addons/bin/lean-md/<version>/…) und folgt addon update automatisch — kein cargo-Drift. Es spiegelt daher nur den veröffentlichten Stand, nicht deine ungecommitteten src/**-/Seed-Änderungen. Sobald du am Binary etwas änderst, gilt für JEDE Verifikation (render / skill / source / check) das lokale cargo-Target — cargo run -q --bin lean-md -- … bzw. ./target/… —, nie das PATH-lean-md. Shim = Consumer-/Released-Pfad, cargo-Target = Dev-Pfad. (Ein cargo install gehört bewusst NICHT auf den PATH: es würde still altern und genau den Versions-Skew erzeugen, den der Shim vermeidet.)

Read the full file on GitHub · 69 lines

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 · 69 lines · 1,142 tokens per session scan A 5afa2e2a2bb9

Subscribe to this mod's changes

lean-md CLAUDE.md is an instructions file published in the GitHub repository dasTholo/lean-md (5 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 1,142 tokens to every session, about $0.0057 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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