priori-incantato

priori-incantato is a skill for Claude Code from Totes-MickGOATs/opus-pocus. It costs 153 tokens per session (1,235 once invoked), scanned A, original, MIT.

An audit for checking whether repository automations and agent artifacts are connected to something that runs them, including hooks, skills, commands, tests, and agents.

In plain words
What is it for?
Use it to check hook event wiring, routing metadata, test and lint invocation, and whether version control includes everything needed.
Why use it?
It finds quietly unused or miswired pieces that appear to work but never run, and catches dependencies on local files missing from a fresh clone.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: reads .claude/ paths.

Part of the opus-pocus plugin — 21 skills, 1 agent shipped together

Good fit Use it to check hook event wiring, routing metadata, test and lint invocation, and whether version control includes everything needed.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/totes-mickgoats/opus-pocus/priori-incantato
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 Totes-MickGOATs/opus-pocus --skill priori-incantato
Clone the repo
git clone --depth 1 https://github.com/Totes-MickGOATs/opus-pocus

Made for: Claude Code.

Or install opus-pocus, the plugin that ships this one along with the rest of its 21 skills, 1 agent.

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 priori-incantato

README.md
[![agentmods](https://agentmods.dev/badge/skills/totes-mickgoats/opus-pocus/priori-incantato/github.svg)](https://agentmods.dev/skills/totes-mickgoats/opus-pocus/priori-incantato)
Your own site
<a href="https://agentmods.dev/skills/totes-mickgoats/opus-pocus/priori-incantato"><img src="https://agentmods.dev/badge/skills/totes-mickgoats/opus-pocus/priori-incantato/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 priori-incantato

Your own site · 80×15
<a href="https://agentmods.dev/skills/totes-mickgoats/opus-pocus/priori-incantato"><img src="https://agentmods.dev/badge/skills/totes-mickgoats/opus-pocus/priori-incantato.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 153 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,235 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 $0.00153 $0.01235
Opus 5 $0.00077 $0.00617
Sonnet 5 $0.00031 $0.00247
Haiku 4.5 $0.00015 $0.00123

Measured 12d ago against content hash 6301698029a0, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

priori-incantato 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 12d 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.

skills/priori-incantato/SKILL.md · 74 lines

How it starts

The opening of the file, as written. The whole thing — 74 lines — stays where its author put it; the contents beside it link to each section on GitHub.

🐉 Priori Incantato

"Every artifact swears it works. Ask it when it last ran."

An artifact nothing invokes is not a feature, it is invisible debt — and it costs more than absence, because the roster claims coverage the repo does not have. The failure is quiet by construction: a hook wired to the wrong event returns success and its payload is dropped, a skill whose disambiguation lives somewhere the router never reads is simply never chosen, and neither state produces an error anywhere. This pass asks one question of every artifact: what causes you to run?

What to scan

  • Hook scripts and the config that wires them (.claude/settings*.json and equivalents) — the pair, never one side alone
  • Skills, agents, commands, output styles, and their routing-visible surfaces
  • Repo-local test suites and lints, and whatever is supposed to invoke them
  • The version-control index — the ground truth for what a fresh clone actually receives

Anti-patterns to find

  1. Declared-vs-wired event mismatch. A hook emits one event name in its payload while the config fires it on a different event. The handler runs, the payload is discarded silently, and both sides look healthy in isolation. Only comparing the pair reveals it.
  2. Orphans. A skill, agent, command, hook, lint or test that nothing invokes — no config entry, no caller, no documented route. Count them honestly and separate the ones this change created from the ones that predate it.
  3. Availability mistaken for discoverability. The artifact exists, is wired, and still never runs, because nothing causes it to be reached: a router that reads only a description field while the disambiguation lives in the body; an advisory that fires after the decision it was meant to inform; a skill whose triggers no real user phrasing matches.
  4. Fresh-clone unreachability. The artifact works only because of local state — an unversioned file, a locally-set executable bit, an absolute path, a machine-specific tool. Verify as a fresh clone sees it: query the VCS index, never a filesystem existence test on the machine that authored it.
  5. Wired to a dead event. The trigger existed once. The event was renamed, the tool it matched was removed, or the workflow that called it was retired — and the artifact still sits there declaring a route to nowhere.
  6. The finish-the-sentence test fails. The author cannot complete "this will next run when ___" with an observable event. If the sentence cannot be finished, the artifact is not wired; it is merely present.

Read the full file on GitHub · 74 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. 12d ago First seen · 74 lines · 153 tokens per session scan A 6301698029a0

Subscribe to this mod's changes

priori-incantato is a skill published in the GitHub repository Totes-MickGOATs/opus-pocus (10 stars, last pushed 1mo ago), licensed MIT. It adds 153 tokens to every session and 1,235 once invoked, about $0.0008 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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