readmd-ask

readmd-ask is a skill for Claude Code, Codex from Natsummerance/readMD. It costs 20 tokens per session (81 once invoked), scanned A, original, MIT.

A document-grounded answering skill for Markdown files. It uses only information found in the supplied document and points to relevant headings when useful.

In plain words
What is it for?
Use it to answer questions about Markdown notes, guides, or specifications using only their contents.
Why use it?
It reduces unsupported answers by separating documented facts from reasonable inferences and stating when the document is insufficient.

Skill for Claude CodeCodex

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 skills/natsummerance/readmd/readmd-ask
Any agent
npx skills add Natsummerance/readMD --skill readmd-ask
Clone the repo
git clone --depth 1 https://github.com/Natsummerance/readMD

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 readmd-ask

README.md
[![agentmods](https://agentmods.dev/badge/skills/natsummerance/readmd/readmd-ask.svg)](https://agentmods.dev/skills/natsummerance/readmd/readmd-ask)
Your own site
<a href="https://agentmods.dev/skills/natsummerance/readmd/readmd-ask"><img src="https://agentmods.dev/badge/skills/natsummerance/readmd/readmd-ask.svg" alt="Measured on agentmods" height="20"></a>
Per session 20 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 81 The whole file, excluding the scripts and references it only reads on demand.
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 $0.00020 $0.00081
Opus 5 $0.00010 $0.00041
Sonnet 5 $0.00004 $0.00016
Haiku 4.5 $0.00002 $0.00008

Measured 3d ago against content hash 60fa9dfd459b, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

readmd-ask 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.

assets/skills/readmd-ask/SKILL.md · 11 lines

What it actually says

Answer the request using only evidence in the document. Quote or point to relevant headings when useful. If the document does not contain enough information, say so plainly and separate supported facts from reasonable inferences.

Language: {{language}} Question: {{request}} Document: {{document}}

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. 3d ago First seen · 11 lines · 20 tokens per session scan A 60fa9dfd459b

Subscribe to this mod's changes

readmd-ask is a skill published in the GitHub repository Natsummerance/readMD (20 stars, last pushed 5d ago), licensed MIT. It adds 20 tokens to every session and 81 once invoked, 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 2026-08-30.

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