ideonomy-plain

ideonomy-plain is a skill for Claude Code, Codex from vosslab/vosslab-skills. It costs 54 tokens per session (2,475 once invoked), scanned C, original, MIT.

A plain-text method for exploring an idea by changing, reversing, combining, or reframing its parts. Ideonomy is a framework for treating ideas as things that can be systematically varied to produce alternatives.

In plain words
What is it for?
Use it to generate alternatives, opposites, unexpected angles, or new frameworks for an idea. It is intended for text output rather than visual monospace artwork.
Why use it?
It provides a repeatable way to find options beyond the first obvious answer. The output stays portable plain text, so it can be used in channels that do not support rich formatting.

Skill for Claude CodeCodex

Written for Claude Code and Codex: shipped in a Claude Code plugin, but also agents/openai.yaml present. Also seen: reads .claude/ paths.

Part of the vosslab-skills plugin — 42 skills, 14 agents shipped together

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.

agentmods
npx agentmods add skills/vosslab/vosslab-skills/ideonomy-plain
Any agent
npx skills add vosslab/vosslab-skills --skill ideonomy-plain
Clone the repo
git clone --depth 1 https://github.com/vosslab/vosslab-skills

Made for: Claude Code, Codex.

Or install vosslab-skills, the plugin that ships this one along with the rest of its 42 skills, 14 agents.

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 ideonomy-plain

README.md
[![agentmods](https://agentmods.dev/badge/skills/vosslab/vosslab-skills/ideonomy-plain.svg)](https://agentmods.dev/skills/vosslab/vosslab-skills/ideonomy-plain)
Your own site
<a href="https://agentmods.dev/skills/vosslab/vosslab-skills/ideonomy-plain"><img src="https://agentmods.dev/badge/skills/vosslab/vosslab-skills/ideonomy-plain.svg" alt="Measured on agentmods" height="20"></a>
Per session 54 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,475 The whole file, excluding the scripts and references it only reads on demand.
Security scan C 2 findings. Scan, not verified.
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 $0.00054 $0.02475
Opus 5 $0.00027 $0.01238
Sonnet 5 $0.00011 $0.00495
Haiku 4.5 $0.00005 $0.00248

Measured 5d ago against content hash d3c60f1e7d60, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade C, and why

ideonomy-plain scanned grade C with 2 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 5d 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.

Reads agent configuration directoriesmediumAgent snooping

.claude/, .codex/, .gemini/ hold keys, settings and other credentials a mod has no legitimate need for.

PICK=$(find ~/.claude/plugins ~/.claude/skills -path '*/ideonomy-plain/bin/pick' -type f 2>/dev/null | head -1)

Enumerates other installed skillsmediumAgent snooping

Other skills' SKILL.md files reveal prompts, capabilities and secrets that should be invisible to peers.

PICK=$(find ~/.claude/plugins ~/.claude/skills -path '*/ideonomy-plain/bin/pick' -type f 2>/dev/null | head -1)
skills/planning/ideonomy-plain/SKILL.md · 136 lines

How it starts

The opening of the file, as written. The whole thing — 136 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Ideonomy-Plain

A skill for expanding ideas using Patrick Gunkel's ideonomy — the science of treating ideas as natural phenomena that can be sliced, negated, recombined, and re-instantiated. Synthesized from Grace Kind's writing on Ideonomy at gracekind.net. All credit for the framework as presented here belongs to Grace Kind and Patrick Gunkel.

This is the plain-text-portable half of a pair. Output is plain Markdown lists, fenced-code-block tables, no Unicode box-drawing — survives every channel, including SMS bridges. For monospace-rich rendering with figlet banners, Unicode box-drawing, density gradients, and visible ideonomy-machinery layers, use the sibling skill ideonomy-rich.

Core principle

Ideas have properties that vary along dimensions. To expand an idea, identify its dimensions and then operate on them — substitute one value for another, negate a definitional property, combine the idea's organon (its structured capture) with another organon, or lift the idea to a higher abstraction and re-instantiate it elsewhere. The expansion is the population of related ideas these operations surface.

How to invoke

Step 1 — pick a method tuple. Run the pick script. It selects a random combination of operators, an organon, and dimension prompts from the catalog under methods/:

# Locate pick (works for any installation method):
PICK=$(find ~/.claude/plugins ~/.claude/skills -path '*/ideonomy-plain/bin/pick' -type f 2>/dev/null | head -1)
bash "$PICK"

# With flags: bash "$PICK" --more / --less / --print / --seed N

The script prints the picks then concatenates the bodies of the selected method files. Read all of it.

Flags:

  • --more — bigger tuple (3 operators, 2 organons, 5 dim-prompts)
  • --less — smaller tuple (1 operator, 1 organon, 2 dim-prompts)
  • --print — just print the picks; don't cat the bodies
  • --random-org — seed the picker from random.org (network) instead of local entropy
  • --seed N — deterministic pick for a given integer seed

Read the full file on GitHub · 136 lines

Files

What ships with it

60 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 5d ago First seen · 136 lines · 54 tokens per session scan C d3c60f1e7d60

Subscribe to this mod's changes

ideonomy-plain is a skill published in the GitHub repository vosslab/vosslab-skills (2 stars, last pushed 10d ago), licensed MIT. It adds 54 tokens to every session and 2,475 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it C with 2 findings (reads agent configuration directories, enumerates other installed skills). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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