entry-authoring

entry-authoring is a skill for Claude Code, Codex from nel-neru/LibrAIum. It costs 36 tokens per session (3,665 once invoked), scanned A, original, MIT.

A writing guide for creating and editing LibrAIum repository entries, which are Markdown files with structured metadata.

In plain words
What is it for?
Use it when authoring or revising repository entries and checking that their metadata matches the application's format.
Why use it?
It keeps entries consistent with the library's required fields, file locations, summaries, notes, and tags.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: installed under .agents/ (shared by several agents).

Not installable on its own: it runs a file from its repository that does not travel with it. Clone the repository, or install whatever ships that file. The line is node scripts/validate-data.mjs --data-dir data.

Install

Getting it into your agent

There is no command for this one: it runs only inside a plugin, and the catalogue could not identify which plugin ships it. The source is linked below.

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 entry-authoring

README.md
[![agentmods](https://agentmods.dev/badge/skills/nel-neru/libraium/entry-authoring.svg)](https://agentmods.dev/skills/nel-neru/libraium/entry-authoring)
Your own site
<a href="https://agentmods.dev/skills/nel-neru/libraium/entry-authoring"><img src="https://agentmods.dev/badge/skills/nel-neru/libraium/entry-authoring.svg" alt="Measured on agentmods" height="20"></a>
Per session 36 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,665 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 5.1 $0.00036 $0.03665
Opus 5 $0.00018 $0.01833
Sonnet 5 $0.00007 $0.00733
Haiku 4.5 $0.00004 $0.00366

Measured 5d ago against content hash f63aa2aefb84, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

entry-authoring 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 5d 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.

.agents/skills/entry-authoring/SKILL.md · 180 lines

How it starts

The opening of the file, as written. The whole thing — 180 lines — stays where its author put it; the contents beside it link to each section on GitHub.

LibrAIum entry authoring — house style

One repo = one file at data/entries/<category-id>/<slug>.md, where slug = slugify(full_name): lowercase, / and any character outside [a-z0-9-_.] become -, leading/trailing - trimmed. Owner/Repo.jsowner-repo.js. The file is YAML frontmatter + Markdown body. The seven seeded entries in data/entries/ are the reference corpus — when in doubt, imitate them.

Frontmatter

Fields are exactly EntryMeta (src-tauri/src/models.rs). Never invent keys — the Rust parser and the MCP server both consume this schema. Keep the field order below (it matches the existing entries and the Rust struct):

Field Required Semantics
github_url yes Canonical form only: https://github.com/<owner>/<repo> — no .git, no trailing /, no /tree/...
full_name yes owner/repo exactly as GitHub reports it (case preserved). Duplicate detection compares this case-insensitively
category yes A category id from data/master/categories.yaml (kebab-case). Must match the directory the file lives in
tags default [] Flow style: tags: [vector-db, rag, rust] — see tag conventions below
stars default 0 Integer from the GitHub API (stargazers_count) at last check — never guessed, never "21.4k"
language optional GitHub's primary language with GitHub's capitalization (Rust, Python, TypeScript). Omit the key if unknown
last_github_push optional YYYY-MM-DD date part of the API's pushed_at. Omit if unknown
last_checked optional YYYY-MM-DD when metadata was last refreshed from the API. Set to today when you fetch real data
status default active Enum: active | stale | archived. Auto-managed by refresh (push older than the stale threshold ⇒ stale; GitHub archivedarchived) — don't hand-set stale without reason
source default manual Enum: manual | mcp | x-collection. Hand-authored entries are manual; the MCP add_repo tool writes mcp
added_date optional YYYY-MM-DD the entry joined the library. Set once, never touched again
reception_gathered optional YYYY-MM-DD the ## Reception section was last synthesized. Stamped by /reception; drives freshness (an entry is reception_stale after 180 days)
superseded_by optional Flow list of owner/repo full_names this entry has been superseded by, e.g. superseded_by: [langchain-ai/langgraph]. Store it on the stale/old entry, pointing FORWARD; the inverse (supersedes) is derived at read time, never stored. A target need not be shelved yet. Omit entirely when empty (never [])
pairs_with optional Flow list of owner/repo full_names this entry pairs well with (symmetric affinity). Store on ONE side only — it is unioned at read time with entries that point back. Omit entirely when empty

Read the full file on GitHub · 180 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. 5d ago First seen · 180 lines · 36 tokens per session scan A f63aa2aefb84

Subscribe to this mod's changes

entry-authoring is a skill published in the GitHub repository nel-neru/LibrAIum (0 stars, last pushed 2d ago), licensed MIT. It adds 36 tokens to every session and 3,665 once invoked, about $0.0002 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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