zeus: Skill for Claude Code

.claude/skills/zeus-init/SKILL.md

zeus-init is a skill for Claude Code from huifer/zeus. It costs 46 tokens per session (941 once invoked), scanned A, original, MIT.

A first-time setup workflow for a Zeus project, creating its configuration, folders, project goals, and initial history entry.

In plain words
What is it for?
Use it to start a new Zeus project or import an existing codebase, while confirming the project details before files are created.
Why use it?
It establishes the project information that the other Zeus workflows need before planning or execution can begin.

Skill for Claude Code

Written for Claude Code: argument-hint in frontmatter.

This is huifer/zeus's own configuration. It tells Claude Code how to work on zeus itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything zeus configures →

Reuse

Borrowing it

Nothing to install: this file belongs to huifer/zeus. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/huifer/zeus/main/.claude/skills/zeus-init/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/huifer/zeus

Made for: Claude Code.

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 zeus-init

README.md
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Your own site
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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 zeus-init

Your own site · 80×15
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Per session 46 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 941 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 $0.00046 $0.00941
Opus 5.5 $0.00018 $0.00376
Sonnet 5.5 $0.00009 $0.00188
Haiku 4.5 $0.00005 $0.00094

Measured 1mo ago against content hash c6982bc7b934, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

zeus-init 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 1mo 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.

.claude/skills/zeus-init/SKILL.md · 153 lines

How it starts

The opening of the file, as written. The whole thing — 153 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Zeus Init - Bootstrap Contract

Use this skill as the mandatory first step before any other /zeus:* workflow.

Non-negotiable rules

  1. Ask one question per message and wait for the user's response.
  2. Never create planning artifacts before config baseline is valid.
  3. Always append an AI log after write operations.
  4. If initialization already exists, require explicit user confirmation before overwrite.

Preconditions

  • Workspace contains .zeus/ scaffold and schema files.
  • You can write under .zeus/main/.
  • Git repository is available (or can be initialized).

Brownfield mode

When --import-existing is provided:

  • Read .zeus/{version}/codebase-map.json if present.
  • Read .zeus/{version}/existing-modules.json if present.
  • Pre-fill project.domain and project.tech_stack from discovered artifacts.
  • Keep one-question loop to let user confirm or override inferred values.

Required context files

  • .zeus/schemas/config.schema.json
  • .zeus/main/config.json (if already present)
  • .zeus/main/evolution.md (if already present)

Deterministic workflow

1) Initialization state check

Inspect whether .zeus/main/config.json exists and has a non-empty project.name.

  • If initialized: explain current state and ask whether to re-initialize.
  • If user declines: stop and suggest /zeus:status.
  • If not initialized: continue.

2) Collect baseline inputs (single question loop)

Collect, in this exact order:

  1. Project name
  2. Primary domain (optional)
  3. Technology stack
  4. Version intent (single version or future v2/v3 tracks)

If --import-existing is active, show inferred values before each question as defaults.

3) North star metric proposal

Propose one recommended metric bundle with rationale and editable weights.

Output template:

Recommended metric strategy:

North star: {metric_name}
Weights:
- {metric_a}: {weight} ({reason})
- {metric_b}: {weight} ({reason})

Choose one:
A) Accept
B) Adjust weights
C) Fully customize

Read the full file on GitHub · 153 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. 1mo ago First seen · 153 lines · 0 tokens per session scan A c6982bc7b934

Subscribe to this mod's changes

zeus-init is a skill published in the GitHub repository huifer/zeus (22 stars, last pushed 6mo ago), licensed MIT. It adds 46 tokens to every session and 941 once invoked, about $0.0002 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 2026-08-30.

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