A collection of small working habits for coding agents, covering planning, checking, simplifying, fact-checking, and Git work. It is designed to make these habits part of an agent’s normal workflow.

It helps agents plan tasks, review files and assumptions, reduce unnecessary code, maintain shared sources of truth, and manage Git commits, merges, and releases.

It reduces the need to repeatedly remind an agent to inspect its work, clarify goals, keep changes focused, and handle releases carefully.

paperthin — Plugin by LilMGenius

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.

Claude Code

/plugin marketplace add LilMGenius/paperthin

agentmods

npx agentmods add plugins/lilmgenius/paperthin/paperthin

Clone the repo

git clone --depth 1 https://github.com/LilMGenius/paperthin

Made for: Claude Code.

Per session not measured What this adds to a session before it is invoked.

When invoked not measured Not applicable: nothing here is loaded into a session.

Security scan A 0 findings. Scan, not verified.

Origin original No closer match found in the catalogue.

Security

Grade A, and why

paperthin 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 yesterday.

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-plugin/plugin.json · 35 lines

What it actually says

{
  "name": "paperthin",
  "description": "Low-level agentic design patterns. Turning old engineering wisdom into reflexes your agent reaches for on its own—on any agent.",
  "skills": [
    "./skills/depth/re0",
    "./skills/depth/readchk",
    "./skills/depth/aim",
    "./skills/depth/modelchk",
    "./skills/depth/hate",
    "./skills/depth/macrothink",
    "./skills/depth/feynman",
    "./skills/depth/autobahn",
    "./skills/depth/reorder",
    "./skills/depth/detool",
    "./skills/depth/dedash",
    "./skills/depth/debloat",
    "./skills/depth/shower",
    "./skills/depth/factchk",
    "./skills/depth/mandela",
    "./skills/depth/sip",
    "./skills/depth/re0-git",
    "./skills/depth/re0-release",
    "./skills/depth/re0-merge",
    "./skills/breadth/ssotize",
    "./skills/breadth/re0-upgrade",
    "./skills/coil/re0-plan",
    "./skills/coil/re0-loop",
    "./skills/coil/re0-memo",
    "./skills/coil/re0-work",
    "./skills/coil/catchup",
    "./skills/coil/nba",
    "./skills/mesh/prism"
  ]
}

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.

yesterday First seen · 35 lines scan A 7ac2df50d744

Subscribe to this mod's changes

paperthin is a plugin published in the GitHub repository LilMGenius/paperthin (914 stars, last pushed 13d ago), licensed MIT. Its token cost is not measured: this kind of file is read by the harness, not the model. 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.

Code review Git and workflow Planning anti-slop clean-code hygiene markdown plugin skills

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Rune-kit/rune · not measured

paperthin

Getting it into your agent

Grade A, and why

Nothing flagged

What it actually says

What this file has done since we first saw it

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