skill-push

An instruction workflow for creating and publishing reusable skills to SkillNote, a registry for coding-agent instructions. It covers the drafting, review, collection selection, and publishing process.

In plain words
What is it for?
Detecting repeated instructions, asking for approval, drafting skill fields, selecting a SkillNote collection, and pushing the finished skill to the registry.
Why use it?
It provides a repeatable way to save persistent team conventions without storing temporary workarounds as shared skills. It also requires confirmation before creating a skill unless the user explicitly requested one.

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/luna-prompts/skillnote/skill-push
Any agent
npx skills add luna-prompts/skillnote --skill skill-push
Clone the repo
git clone --depth 1 https://github.com/luna-prompts/skillnote

Made for: Claude Code, Codex.

Per session 50 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,294 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. 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 $0.00050 $0.01294
Opus 5 $0.00025 $0.00647
Sonnet 5 $0.00010 $0.00259
Haiku 4.5 $0.00005 $0.00129

Measured 3d ago against content hash 0f9bca5c55f7, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

skill-push scanned grade A 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 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

import urllib.request, json, os
plugin-codex/skills/skill-push/SKILL.md · 112 lines

How it starts

The opening of the file, as written. The whole thing — 112 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Skill Push

Create and push reusable skills to the SkillNote registry so every connected agent learns from repeated patterns.

Resolve the host

HOST=$(cat ~/.skillnote/host 2>/dev/null | tr -d '[:space:]'); HOST=${HOST:-localhost}
API="http://${HOST}:8082"

(In Python: host = (open(os.path.expanduser('~/.skillnote/host')).read().strip() if os.path.exists(os.path.expanduser('~/.skillnote/host')) else 'localhost').)

When to Act

  • The user gave the same instruction or convention 2+ times this session.
  • The user explicitly asks to create, save, or push a skill.
  • Session retrospective — review for saveable patterns before wrapping up.

Only suggest for PERSISTENT conventions, not temporary workarounds.

Step 1: Confirm (REQUIRED — never skip)

If the user did not explicitly ask to create a skill, you MUST ask first. Tell the user what you noticed in one sentence, then ask: "Want me to save this as a SkillNote skill?" Wait for an explicit yes before drafting anything.

Skip this step only when the user already said "create a skill for X" / "save this pattern" / "push a skill" in their own words.

Step 2: Draft

Collaborate on three fields:

  • name: lowercase letters, hyphens, digits; max 64 chars. Also the slug.
  • description (max 1024 chars — THIS IS THE TRIGGER): what the skill does + explicit trigger keywords. Agents pick a skill based solely on its description.
  • content: instructions under ~200 lines, starting with # Title, actionable with examples.

Show the full draft to the user.

Step 3: Check if it exists

import urllib.request, json, os
host = open(os.path.expanduser('~/.skillnote/host')).read().strip() if os.path.exists(os.path.expanduser('~/.skillnote/host')) else 'localhost'
api = f"http://{host}:8082"
try:
    resp = urllib.request.urlopen(f"{api}/v1/skills/<SLUG>")
    print(f"EXISTS: v{json.loads(resp.read()).get('current_version', '?')}")
except urllib.error.HTTPError as e:
    print("NEW" if e.code == 404 else f"ERROR: {e.code}")

Read the full file on GitHub · 112 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. 3d ago First seen · 112 lines · 50 tokens per session scan A 0f9bca5c55f7

Subscribe to this mod's changes

skill-push is a skill published in the GitHub repository luna-prompts/skillnote (59 stars, last pushed 19d ago), licensed MIT. It adds 50 tokens to every session and 1,294 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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