lineage: Skill for Claude Code

.agents/skills/lineage-open-source-review-guardrails/SKILL.md

lineage-open-source-review-guardrails is a skill for Claude Code, Codex from agentic-lineage/lineage. It costs 59 tokens per session (399 once invoked), scanned A, original, MIT.

A set of project-specific rules for reviewing and maintaining the Lineage open-source project. It covers issues, pull requests, tests, labels, project-board statuses, documentation, safety, and public communication.

In plain words
What is it for?
Use it when creating or reviewing Lineage issues and pull requests, updating contribution documents or release notes, managing labels and milestones, and making maintainer decisions.
Why use it?
It gives contributors and maintainers a consistent way to check code and project changes for correctness, safety, test coverage, maintainability, and accidental disclosure.

Skill for Claude CodeCodex

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

This is agentic-lineage/lineage's own configuration. It tells Claude Code and Codex how to work on lineage 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 lineage configures →

Reuse

Borrowing it

Nothing to install: this file belongs to agentic-lineage/lineage. 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/agentic-lineage/lineage/main/.agents/skills/lineage-open-source-review-guardrails/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/agentic-lineage/lineage

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 lineage-open-source-review-guardrails

README.md
[![agentmods](https://agentmods.dev/badge/skills/agentic-lineage/lineage/lineage-open-source-review-guardrails/github.svg)](https://agentmods.dev/skills/agentic-lineage/lineage/lineage-open-source-review-guardrails)
Your own site
<a href="https://agentmods.dev/skills/agentic-lineage/lineage/lineage-open-source-review-guardrails"><img src="https://agentmods.dev/badge/skills/agentic-lineage/lineage/lineage-open-source-review-guardrails/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 lineage-open-source-review-guardrails

Your own site · 80×15
<a href="https://agentmods.dev/skills/agentic-lineage/lineage/lineage-open-source-review-guardrails"><img src="https://agentmods.dev/badge/skills/agentic-lineage/lineage/lineage-open-source-review-guardrails.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 59 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 399 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 $0.00059 $0.00399
Opus 5 $0.00030 $0.00199
Sonnet 5 $0.00012 $0.00080
Haiku 4.5 $0.00006 $0.00040

Measured 12d ago against content hash a93fe91e2b81, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

lineage-open-source-review-guardrails 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.

.agents/skills/lineage-open-source-review-guardrails/SKILL.md · 47 lines

What it actually says

Lineage Open Source Review Guardrails

Lineage should be easy to contribute to without letting quality, safety, or roadmap clarity drift.

Contribution Rules

  • Contributors should assign an issue before starting work.
  • PRs should target develop and link the assigned issue, except maintainer-only housekeeping.
  • Every PR should include relevant tests added/updated, or a clear no-test reason.
  • Keep project-board status simple: Todo, In Progress, Under Review, Done.
  • Milestones are goals, not dates.
  • Keep labels small and meaningful: bug, enhancement, documentation, security, critical, needs:decision.

Review Standard

Review for correctness first, then safety, tests, maintainability, and documentation.

Look especially for:

  • package inputs treated as trusted;
  • provider-specific behavior leaking into core;
  • missing tests for safety or idempotency;
  • CLI output that cannot be inspected or tested;
  • docs that imply future capabilities are already implemented;
  • accidental disclosure of private roadmap, secrets, credentials, or machine-local state.

Public Voice

  • Keep public docs focused on the agent-environment distribution layer.
  • Avoid overpromising marketplace, enterprise, billing, cloud, vector DB, or workflow-engine capabilities.
  • Prefer plain explanations of what currently works, what is experimental, and what is intentionally out of scope.

Maintainer Checklist

Before merge:

  • Linked issue is assigned or the PR is explicit maintainer housekeeping.
  • Required checks pass.
  • Tests match the risk of the change.
  • Branch target is develop.
  • Safety checklist is credible, not just checked.
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 · 47 lines · 59 tokens per session scan A a93fe91e2b81

Subscribe to this mod's changes

lineage-open-source-review-guardrails is a skill published in the GitHub repository agentic-lineage/lineage (10 stars, last pushed 3d ago), licensed MIT. It adds 59 tokens to every session and 399 once invoked, about $0.0003 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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