ontology-atlas: Skill for Claude Code

.agents/skills/parallel-brief/SKILL.md

parallel-brief is a skill for Claude Code, Codex from wlsdks/ontology-atlas. It costs 32 tokens per session (697 once invoked), scanned A, original, MIT.

A guide for preparing independent briefs before several agents work at the same time. It defines separate ports, files, worktrees, scratch locations, baselines, and evidence.

In plain words
What is it for?
Use it to plan parallel browser tests, code changes, and measurements while keeping each agent's work isolated and verifiable.
Why use it?
Parallel agents can accidentally test different code, overwrite shared work, or measure against conflicting starting points.

Skill for Claude CodeCodex

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

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

Reuse

Borrowing it

Nothing to install: this file belongs to wlsdks/ontology-atlas. 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/wlsdks/ontology-atlas/main/.agents/skills/parallel-brief/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/wlsdks/ontology-atlas

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 parallel-brief

README.md
[![agentmods](https://agentmods.dev/badge/skills/wlsdks/ontology-atlas/parallel-brief/github.svg)](https://agentmods.dev/skills/wlsdks/ontology-atlas/parallel-brief)
Your own site
<a href="https://agentmods.dev/skills/wlsdks/ontology-atlas/parallel-brief"><img src="https://agentmods.dev/badge/skills/wlsdks/ontology-atlas/parallel-brief/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 parallel-brief

Your own site · 80×15
<a href="https://agentmods.dev/skills/wlsdks/ontology-atlas/parallel-brief"><img src="https://agentmods.dev/badge/skills/wlsdks/ontology-atlas/parallel-brief.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 32 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 697 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00032 $0.00697
Opus 5 $0.00016 $0.00349
Sonnet 5 $0.00006 $0.00139
Haiku 4.5 $0.00003 $0.00070

Measured 4d ago against content hash b94f31b86268, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

parallel-brief 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 4d 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/parallel-brief/SKILL.md · 73 lines

How it starts

The opening of the file, as written. The whole thing — 73 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Parallel brief

Concurrency is not the risk; uncoordinated shared state is. Every rule here came from a real failure on 2026-08-03 or 2026-08-04.

1. Give every browser run its own server

playwright.config.ts may reuse an existing local server. Two agents can therefore measure different code while both report success.

  • Assign a unique port and explicit PLAYWRIGHT_BASE_URL.
  • Use PLAYWRIGHT_STATIC=1 when proof must cover the exported build.
  • Run one spec at a time so server failure is distinguishable from product failure.

2. One person owns each ratchet baseline

Two branches lowering the same literal from one stale starting value cannot be combined arithmetically. The merging owner recounts after integration, lowers the number once, and proves one step lower turns red.

Only one agent edits a ratchet file. Others may report measurements, never commit competing baselines.

3. Worktrees and stash

  • Never run git add -A; a worktree directory can be staged as an empty gitlink.
  • Subagents do not remove worktrees. The coordinating owner may remove a task-created worktree only after confirming ownership, preserved changes, and no active users. Otherwise report its path for later cleanup.
  • Never use git stash; stash is repository-wide and has erased another agent's work in this project.

4. Keep measurement scratch outside the repository

Git may ignore a path that ESLint still scans. Probe files under output/ or .tmp/ have inflated warning counts before. Measure inside the assigned worktree, write scratch under /tmp, and report the exact checkout used.

5. Assign file ownership

Role Owns Everything else
design-system control-class.ts, ramps in globals.css, the canonical Design System section read-only
design-guardian visual and interaction implementation
implementation agent explicitly assigned consumer files specification files read-only
audit agent inventory and report edit only an obvious, reversible defect when authorized

Read the full file on GitHub · 73 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. 4d ago Changed · +2 lines b94f31b86268
  2. 11d ago First seen · 71 lines · 32 tokens per session scan A 1ff16a9f804e

Subscribe to this mod's changes

parallel-brief is a skill published in the GitHub repository wlsdks/ontology-atlas (103 stars, last pushed today), licensed MIT. It adds 32 tokens to every session and 697 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 2026-08-30.

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