klh-agents-md

klh-agents-md is a skill for Claude Code, Codex from klh/speedy-claude. It costs 62 tokens per session (908 once invoked), scanned B, original, MIT.

A guide for creating and maintaining AGENTS.md, a project file that tells coding agents how to work in a repository. It keeps those instructions short and points agents to specialised skills.

In plain words
What is it for?
Use it to create or update AGENTS.md and CLAUDE.md links, discover local skills, and document which skills agents should use.
Why use it?
It prevents agent instructions from becoming duplicated, outdated, or unnecessarily long.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: reads .claude/ paths; mentions CLAUDE.md; mentions AGENTS.md.

Good fit Use it to create or update AGENTS.md and CLAUDE.md links, discover local skills, and document which skills agents should use.

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Install with agentmods
npx agentmods add skills/klh/speedy-claude/klh-agents-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.

Any agent
npx skills add klh/speedy-claude --skill klh-agents-md
Clone the repo
git clone --depth 1 https://github.com/klh/speedy-claude

Made for: Claude Code, Codex.

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 klh-agents-md

README.md
[![agentmods](https://agentmods.dev/badge/skills/klh/speedy-claude/klh-agents-md/github.svg)](https://agentmods.dev/skills/klh/speedy-claude/klh-agents-md)
Your own site
<a href="https://agentmods.dev/skills/klh/speedy-claude/klh-agents-md"><img src="https://agentmods.dev/badge/skills/klh/speedy-claude/klh-agents-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 klh-agents-md

Your own site · 80×15
<a href="https://agentmods.dev/skills/klh/speedy-claude/klh-agents-md"><img src="https://agentmods.dev/badge/skills/klh/speedy-claude/klh-agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 62 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 908 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 1 finding. 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 $0.00062 $0.00908
Opus 5 $0.00031 $0.00454
Sonnet 5 $0.00012 $0.00182
Haiku 4.5 $0.00006 $0.00091

Measured 8d ago against content hash 7a2b43b169d9, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade B, and why

klh-agents-md scanned grade B with 1 finding 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 8d 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.

Enumerates other installed skillsmediumAgent snooping

Other skills' SKILL.md files reveal prompts, capabilities and secrets that should be invisible to peers.

find .claude/skills -name "SKILL.md" 2>/dev/null
skills/klh-agents-md/SKILL.md · 149 lines

How it starts

The opening of the file, as written. The whole thing — 149 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Maintaining AGENTS.md

Part of klh/skills — personal agent skills by Klaus L. Hougesen. Install: npx skills add klh/skills --skill klh-agents-md

Overview

Guides creation and maintenance of AGENTS.md files, keeping agent instructions concise and referencing local skills.

When to Use

  • When asked to "create AGENTS.md" or "update AGENTS.md"
  • When asked to "maintain agent docs" or "set up CLAUDE.md"
  • When needing to keep agent instructions concise

AGENTS.md is the canonical agent-facing documentation. Keep it minimal—agents are capable and don't need hand-holding.

File Setup

  1. Create AGENTS.md at project root
  2. Create symlink: ln -s AGENTS.md CLAUDE.md

Before Writing

Discover local skills to reference:

find .claude/skills -name "SKILL.md" 2>/dev/null
ls plugins/*/skills/*/SKILL.md 2>/dev/null

Read each skill's frontmatter to understand when to reference it.

Writing Rules

  • Headers + bullets - No paragraphs
  • Code blocks - For commands and templates
  • Reference, don't duplicate - Point to skills: "Use db-migrate skill. See .claude/skills/db-migrate/SKILL.md"
  • No filler - No intros, conclusions, or pleasantries
  • Trust capabilities - Omit obvious context

Required Sections

Package Manager

Which tool and key commands only:

## Package Manager

Use **pnpm**: `pnpm install`, `pnpm dev`, `pnpm test`

Commit Attribution

Always include this section. Agents should use their own identity:

## Commit Attribution

AI commits MUST include:

Co-Authored-By: (the agent model's name and attribution byline)

Example: `Co-Authored-By: Claude Sonnet 4 <[email protected]>`

Key Conventions

Project-specific patterns agents must follow. Keep brief.

Local Skills

Reference each discovered skill:

## Database

Use `db-migrate` skill for schema changes. See `.claude/skills/db-migrate/SKILL.md`

## Testing

Use `write-tests` skill. See `.claude/skills/write-tests/SKILL.md`

Read the full file on GitHub · 149 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 8d ago First seen · 149 lines · 62 tokens per session scan B 7a2b43b169d9

Subscribe to this mod's changes

klh-agents-md is a skill published in the GitHub repository klh/speedy-claude (11 stars, last pushed 2d ago), licensed MIT. It adds 62 tokens to every session and 908 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it B with 1 finding (enumerates other installed skills). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-04.

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