en-quire

en-quire is a skill for Claude Code, Codex from nullproof-studio/en-quire. It costs 159 tokens per session (7,901 once invoked), scanned A, original, MIT.

Instructions for using en-quire to read, search, edit, and manage Markdown and YAML documents. Markdown is a plain-text document format, while YAML is commonly used for structured configuration.

In plain words
What is it for?
Use it when managing notes, specifications, procedures, skill files, agent profiles, memory, or configuration files in Markdown or YAML.
Why use it?
It provides a consistent way to work with documents across multiple managed folders and helps track document status, indexing, and pending changes.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions Claude Code; mentions Codex.

Good fit Use it when managing notes, specifications, procedures, skill files, agent profiles, memory, or configuration files in Markdown or YAML.

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Install with agentmods
npx agentmods add skills/nullproof-studio/en-quire/en-quire
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 nullproof-studio/en-quire --skill en-quire
Clone the repo
git clone --depth 1 https://github.com/nullproof-studio/en-quire

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 en-quire

README.md
[![agentmods](https://agentmods.dev/badge/skills/nullproof-studio/en-quire/en-quire/github.svg)](https://agentmods.dev/skills/nullproof-studio/en-quire/en-quire)
Your own site
<a href="https://agentmods.dev/skills/nullproof-studio/en-quire/en-quire"><img src="https://agentmods.dev/badge/skills/nullproof-studio/en-quire/en-quire/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 en-quire

Your own site · 80×15
<a href="https://agentmods.dev/skills/nullproof-studio/en-quire/en-quire"><img src="https://agentmods.dev/badge/skills/nullproof-studio/en-quire/en-quire.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 159 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 7,901 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. 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 $0.00159 $0.07901
Opus 5.5 $0.00064 $0.03160
Sonnet 5.5 $0.00032 $0.01580
Haiku 4.5 $0.00016 $0.00790

Measured 2d ago against content hash 35f0184e130e, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

en-quire 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 2d ago.

The scan reads SKILL.md. This mod also ships 3 executable files (scripts/bump-version.mjs, scripts/release.sh, scripts/tag-release.sh), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

SKILL.md · 474 lines

How it starts

The opening of the file, as written. The whole thing — 474 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Skill: en-quire — Markdown Document Management

Purpose: Instructions for agents using en-quire MCP tools to read, search, edit, and manage markdown and YAML documents.


Orientation: Multi-Root and doc_status

en-quire manages documents across multiple roots — separate directories for different document types (e.g. codex, agents, skills, testing). Each root can have its own git configuration and governance model.

Start every session with:

  1. doc_status — see all configured roots, their git status, index health, and pending proposals
  2. doc_list — see all files, or scope to a specific root with doc_list(scope: "skills")

File paths include the root prefix: codex/en-quire.mdx, agents/researcher.md, skills/en-quire/SKILL.md. Use the prefix in all tool calls — or, if you already hold a filesystem path from another tool, pass the absolute path as-is: it resolves to the root that contains it. The same goes for scope (e.g. an absolute directory in doc_list or doc_search). Absolute paths outside every configured root are rejected. Responses always use the root-prefixed form.

Search works across all roots by default. Scope to a single root with doc_search(query: "...", scope: "agents").

When to Use en-quire

For files inside a configured root, use en-quire tools (doc_*) instead of your client's filesystem tools (in Claude Code: Read, Edit, Write; on an MCP filesystem server: read_text_file, edit_file, write_file) for any operation on:

  • Markdown files (.md, .mdx) — SOPs, skill files, codex articles, session memory, agent profiles
  • YAML files (.yaml, .yml) — Docker Compose, config files, CI/CD pipelines, Kubernetes manifests

en-quire provides section-level addressing, structural search, and diff responses that eliminate the need to read or rewrite whole files. For YAML, "sections" are key paths (e.g. services.api.environment).

Use filesystem tools only when:

  • The file is outside every configured root (check doc_status if unsure). en-quire rejects those paths, so don't retry them through doc_*.
  • You are working with file types en-quire doesn't support (JSON, JS, etc.)
  • You need to move or copy files between directories or roots

Read the full file on GitHub · 474 lines

Files

What ships with it

3 files 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. 2d ago Changed · +60 lines · +44 tokens per session 35f0184e130e
  2. 8d ago Changed · +38 lines e315919e5c0c
  3. 1mo ago First seen · 376 lines · 115 tokens per session scan A 5782d552fd3c

Subscribe to this mod's changes

en-quire is a skill published in the GitHub repository nullproof-studio/en-quire (0 stars, last pushed yesterday), licensed MIT. It adds 159 tokens to every session and 7,901 once invoked, about $0.0006 per session on Opus 5.5. 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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