pneuma-skills: Skill for Claude Code

.agents/skills/create-mode/SKILL.md

create-mode is a skill for Claude Code, Codex from pandazki/pneuma-skills. It costs 48 tokens per session (5,620 once invoked), scanned A, original, MIT.

A guided workflow for creating a new Pneuma mode, a specialized interface and behavior set for a particular type of work.

In plain words
What is it for?
It guides discovery, writes a design brief for confirmation, and then creates the mode’s manifest, viewer, skill, seed, and showcase.
Why use it?
It helps turn an idea into a complete mode design before implementation, reducing the chance of missing required files or making the wrong design choices.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions CLAUDE.md; names the AskUserQuestion tool; mentions Claude Code.

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

Needs its repository: it reads a path above its own folder, which exists only inside the repository. The line is import("../modes/<name>/manifest.js").then((m) => m.default),.

Reuse

Borrowing it

Nothing to install: this file belongs to pandazki/pneuma-skills. 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/pandazki/pneuma-skills/main/.agents/skills/create-mode/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/pandazki/pneuma-skills

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 create-mode

README.md
[![agentmods](https://agentmods.dev/badge/skills/pandazki/pneuma-skills/create-mode/github.svg)](https://agentmods.dev/skills/pandazki/pneuma-skills/create-mode)
Your own site
<a href="https://agentmods.dev/skills/pandazki/pneuma-skills/create-mode"><img src="https://agentmods.dev/badge/skills/pandazki/pneuma-skills/create-mode/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 create-mode

Your own site · 80×15
<a href="https://agentmods.dev/skills/pandazki/pneuma-skills/create-mode"><img src="https://agentmods.dev/badge/skills/pandazki/pneuma-skills/create-mode.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 48 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 5,620 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. 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 $0.00048 $0.05620
Opus 5.5 $0.00019 $0.02248
Sonnet 5.5 $0.00010 $0.01124
Haiku 4.5 $0.00005 $0.00562

Measured 18d ago against content hash 3c40638de8ce, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

create-mode 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 18d 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.

3. **The launcher's `/api/registry` includes the new entry.** Test via `curl -s http://localhost:17996/api/registry | jq '.builtins[].name'` (or whatever port the launcher is on). If the name is missing, check its on-dis
.agents/skills/create-mode/SKILL.md · 354 lines

How it starts

The opening of the file, as written. The whole thing — 354 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Create Mode

A guided journey for adding a new mode to Pneuma Skills. The journey has three phases — Discovery (ask the right questions), Brief (write down key choices and resolve material unknowns), Implementation (generate files). Each phase has a clear handoff to the next; never skip Brief. Pneuma has a stable contract layer; a concise design brief keeps the viewer aligned with the user's intended work.

This skill runs in Claude Code and Codex. Use the active harness's file, planning, browser, and question tools; native Claude tool names are not prerequisites. Resolve paths from this skill directory.

Apply the root product and architecture guidance and Engineering Judgment to the brief: identify domain invariants and ownership before choosing Source kinds or actions, and inspect existing modes and mature implementations before building anew.

The reference material in references/ is where the knowledge lives — go read the relevant one whenever you're about to make a meaningful decision. SKILL.md is the journey, not the textbook.


When to use

Trigger this skill when the user asks for any of:

  • "create a new mode for X"
  • "fork slide / webcraft / … for a different domain"
  • "scaffold a mode"
  • "add a [mindmap | spreadsheet | timeline | annotator | …] mode"
  • "design the viewer for a mode that …"

If the user only asks about an existing mode's behavior, this skill is not the right tool — direct them to docs/reference/viewer-agent-protocol.md or the mode's own SKILL.md.


Phase 1 — Discovery interview

Goal: fill the design brief from the user's request, existing decisions, and repository evidence. Ask only for missing choices that materially affect the result. Use the question tool available in the active harness, or a concise chat question; never require a tool named AskUserQuestion. Bundle closely related unknowns and continue independent work while waiting.

Read the full file on GitHub · 354 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. 18d ago Changed · -7 lines 3c40638de8ce
  2. 1mo ago Changed · +1 lines d9655fad2b26
  3. 1mo ago Changed · -8 lines · -100 tokens per session c2c9aa39b59a
  4. 1mo ago First seen · 368 lines · 148 tokens per session scan A 8473cc542826

Subscribe to this mod's changes

create-mode is a skill published in the GitHub repository pandazki/pneuma-skills (161 stars, last pushed today), licensed MIT. It adds 48 tokens to every session and 5,620 once invoked, about $0.0002 per session on Opus 5.5. 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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